diff options
Diffstat (limited to 'drivers')
111 files changed, 811 insertions, 692 deletions
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index 502ea4dc2080..560fdae8cc59 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -141,9 +141,9 @@ static int extlog_print(struct notifier_block *nb, unsigned long val, int cpu = mce->extcpu; struct acpi_hest_generic_status *estatus, *tmp; struct acpi_hest_generic_data *gdata; - const uuid_le *fru_id = &NULL_UUID_LE; + const guid_t *fru_id = &guid_null; char *fru_text = ""; - uuid_le *sec_type; + guid_t *sec_type; static u32 err_seq; estatus = extlog_elog_entry_check(cpu, bank); @@ -165,11 +165,11 @@ static int extlog_print(struct notifier_block *nb, unsigned long val, err_seq++; gdata = (struct acpi_hest_generic_data *)(tmp + 1); if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID) - fru_id = (uuid_le *)gdata->fru_id; + fru_id = (guid_t *)gdata->fru_id; if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT) fru_text = gdata->fru_text; - sec_type = (uuid_le *)gdata->section_type; - if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) { + sec_type = (guid_t *)gdata->section_type; + if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) { struct cper_sec_mem_err *mem = (void *)(gdata + 1); if (gdata->error_data_length >= sizeof(*mem)) trace_extlog_mem_event(mem, err_seq, fru_id, fru_text, @@ -182,17 +182,17 @@ out: static bool __init extlog_get_l1addr(void) { - u8 uuid[16]; + guid_t guid; acpi_handle handle; union acpi_object *obj; - acpi_str_to_uuid(extlog_dsm_uuid, uuid); - + if (guid_parse(extlog_dsm_uuid, &guid)) + return false; if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle))) return false; - if (!acpi_check_dsm(handle, uuid, EXTLOG_DSM_REV, 1 << EXTLOG_FN_ADDR)) + if (!acpi_check_dsm(handle, &guid, EXTLOG_DSM_REV, 1 << EXTLOG_FN_ADDR)) return false; - obj = acpi_evaluate_dsm_typed(handle, uuid, EXTLOG_DSM_REV, + obj = acpi_evaluate_dsm_typed(handle, &guid, EXTLOG_DSM_REV, EXTLOG_FN_ADDR, NULL, ACPI_TYPE_INTEGER); if (!obj) { return false; diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index d0855c09f32f..980515e029fa 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -431,12 +431,13 @@ static void ghes_do_proc(struct ghes *ghes, { int sev, sec_sev; struct acpi_hest_generic_data *gdata; + guid_t *sec_type; sev = ghes_severity(estatus->error_severity); apei_estatus_for_each_section(estatus, gdata) { + sec_type = (guid_t *)gdata->section_type; sec_sev = ghes_severity(gdata->error_severity); - if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, - CPER_SEC_PLATFORM_MEM)) { + if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) { struct cper_sec_mem_err *mem_err; mem_err = (struct cper_sec_mem_err *)(gdata+1); ghes_edac_report_mem_error(ghes, sev, mem_err); @@ -445,8 +446,7 @@ static void ghes_do_proc(struct ghes *ghes, ghes_handle_memory_failure(gdata, sev); } #ifdef CONFIG_ACPI_APEI_PCIEAER - else if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, - CPER_SEC_PCIE)) { + else if (guid_equal(sec_type, &CPER_SEC_PCIE)) { struct cper_sec_pcie *pcie_err; pcie_err = (struct cper_sec_pcie *)(gdata+1); if (sev == GHES_SEV_RECOVERABLE && diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 784bda663d16..5a6fbe0fcaf2 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -196,42 +196,19 @@ static void acpi_print_osc_error(acpi_handle handle, pr_debug("\n"); } -acpi_status acpi_str_to_uuid(char *str, u8 *uuid) -{ - int i; - static int opc_map_to_uuid[16] = {6, 4, 2, 0, 11, 9, 16, 14, 19, 21, - 24, 26, 28, 30, 32, 34}; - - if (strlen(str) != 36) - return AE_BAD_PARAMETER; - for (i = 0; i < 36; i++) { - if (i == 8 || i == 13 || i == 18 || i == 23) { - if (str[i] != '-') - return AE_BAD_PARAMETER; - } else if (!isxdigit(str[i])) - return AE_BAD_PARAMETER; - } - for (i = 0; i < 16; i++) { - uuid[i] = hex_to_bin(str[opc_map_to_uuid[i]]) << 4; - uuid[i] |= hex_to_bin(str[opc_map_to_uuid[i] + 1]); - } - return AE_OK; -} -EXPORT_SYMBOL_GPL(acpi_str_to_uuid); - acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context) { acpi_status status; struct acpi_object_list input; union acpi_object in_params[4]; union acpi_object *out_obj; - u8 uuid[16]; + guid_t guid; u32 errors; struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL}; if (!context) return AE_ERROR; - if (ACPI_FAILURE(acpi_str_to_uuid(context->uuid_str, uuid))) + if (guid_parse(context->uuid_str, &guid)) return AE_ERROR; context->ret.length = ACPI_ALLOCATE_BUFFER; context->ret.pointer = NULL; @@ -241,7 +218,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context) input.pointer = in_params; in_params[0].type = ACPI_TYPE_BUFFER; in_params[0].buffer.length = 16; - in_params[0].buffer.pointer = uuid; + in_params[0].buffer.pointer = (u8 *)&guid; in_params[1].type = ACPI_TYPE_INTEGER; in_params[1].integer.value = context->rev; in_params[2].type = ACPI_TYPE_INTEGER; diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 656acb5d7166..097eff0b963d 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -74,11 +74,11 @@ struct nfit_table_prev { struct list_head flushes; }; -static u8 nfit_uuid[NFIT_UUID_MAX][16]; +static guid_t nfit_uuid[NFIT_UUID_MAX]; -const u8 *to_nfit_uuid(enum nfit_uuids id) +const guid_t *to_nfit_uuid(enum nfit_uuids id) { - return nfit_uuid[id]; + return &nfit_uuid[id]; } EXPORT_SYMBOL(to_nfit_uuid); @@ -222,7 +222,7 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, u32 offset, fw_status = 0; acpi_handle handle; unsigned int func; - const u8 *uuid; + const guid_t *guid; int rc, i; func = cmd; @@ -245,7 +245,7 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, cmd_mask = nvdimm_cmd_mask(nvdimm); dsm_mask = nfit_mem->dsm_mask; desc = nd_cmd_dimm_desc(cmd); - uuid = to_nfit_uuid(nfit_mem->family); + guid = to_nfit_uuid(nfit_mem->family); handle = adev->handle; } else { struct acpi_device *adev = to_acpi_dev(acpi_desc); @@ -254,7 +254,7 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, cmd_mask = nd_desc->cmd_mask; dsm_mask = cmd_mask; desc = nd_cmd_bus_desc(cmd); - uuid = to_nfit_uuid(NFIT_DEV_BUS); + guid = to_nfit_uuid(NFIT_DEV_BUS); handle = adev->handle; dimm_name = "bus"; } @@ -289,7 +289,7 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, in_buf.buffer.pointer, min_t(u32, 256, in_buf.buffer.length), true); - out_obj = acpi_evaluate_dsm(handle, uuid, 1, func, &in_obj); + out_obj = acpi_evaluate_dsm(handle, guid, 1, func, &in_obj); if (!out_obj) { dev_dbg(dev, "%s:%s _DSM failed cmd: %s\n", __func__, dimm_name, cmd_name); @@ -409,7 +409,7 @@ int nfit_spa_type(struct acpi_nfit_system_address *spa) int i; for (i = 0; i < NFIT_UUID_MAX; i++) - if (memcmp(to_nfit_uuid(i), spa->range_guid, 16) == 0) + if (guid_equal(to_nfit_uuid(i), (guid_t *)&spa->range_guid)) return i; return -1; } @@ -1415,7 +1415,7 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, struct acpi_device *adev, *adev_dimm; struct device *dev = acpi_desc->dev; unsigned long dsm_mask; - const u8 *uuid; + const guid_t *guid; int i; int family = -1; @@ -1444,7 +1444,7 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, /* * Until standardization materializes we need to consider 4 * different command sets. Note, that checking for function0 (bit0) - * tells us if any commands are reachable through this uuid. + * tells us if any commands are reachable through this GUID. */ for (i = NVDIMM_FAMILY_INTEL; i <= NVDIMM_FAMILY_MSFT; i++) if (acpi_check_dsm(adev_dimm->handle, to_nfit_uuid(i), 1, 1)) @@ -1474,9 +1474,9 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, return 0; } - uuid = to_nfit_uuid(nfit_mem->family); + guid = to_nfit_uuid(nfit_mem->family); for_each_set_bit(i, &dsm_mask, BITS_PER_LONG) - if (acpi_check_dsm(adev_dimm->handle, uuid, 1, 1ULL << i)) + if (acpi_check_dsm(adev_dimm->handle, guid, 1, 1ULL << i)) set_bit(i, &nfit_mem->dsm_mask); return 0; @@ -1611,7 +1611,7 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc) static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc) { struct nvdimm_bus_descriptor *nd_desc = &acpi_desc->nd_desc; - const u8 *uuid = to_nfit_uuid(NFIT_DEV_BUS); + const guid_t *guid = to_nfit_uuid(NFIT_DEV_BUS); struct acpi_device *adev; int i; @@ -1621,7 +1621,7 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc) return; for (i = ND_CMD_ARS_CAP; i <= ND_CMD_CLEAR_ERROR; i++) - if (acpi_check_dsm(adev->handle, uuid, 1, 1ULL << i)) + if (acpi_check_dsm(adev->handle, guid, 1, 1ULL << i)) set_bit(i, &nd_desc->cmd_mask); } @@ -3051,19 +3051,19 @@ static __init int nfit_init(void) BUILD_BUG_ON(sizeof(struct acpi_nfit_control_region) != 80); BUILD_BUG_ON(sizeof(struct acpi_nfit_data_region) != 40); - acpi_str_to_uuid(UUID_VOLATILE_MEMORY, nfit_uuid[NFIT_SPA_VOLATILE]); - acpi_str_to_uuid(UUID_PERSISTENT_MEMORY, nfit_uuid[NFIT_SPA_PM]); - acpi_str_to_uuid(UUID_CONTROL_REGION, nfit_uuid[NFIT_SPA_DCR]); - acpi_str_to_uuid(UUID_DATA_REGION, nfit_uuid[NFIT_SPA_BDW]); - acpi_str_to_uuid(UUID_VOLATILE_VIRTUAL_DISK, nfit_uuid[NFIT_SPA_VDISK]); - acpi_str_to_uuid(UUID_VOLATILE_VIRTUAL_CD, nfit_uuid[NFIT_SPA_VCD]); - acpi_str_to_uuid(UUID_PERSISTENT_VIRTUAL_DISK, nfit_uuid[NFIT_SPA_PDISK]); - acpi_str_to_uuid(UUID_PERSISTENT_VIRTUAL_CD, nfit_uuid[NFIT_SPA_PCD]); - acpi_str_to_uuid(UUID_NFIT_BUS, nfit_uuid[NFIT_DEV_BUS]); - acpi_str_to_uuid(UUID_NFIT_DIMM, nfit_uuid[NFIT_DEV_DIMM]); - acpi_str_to_uuid(UUID_NFIT_DIMM_N_HPE1, nfit_uuid[NFIT_DEV_DIMM_N_HPE1]); - acpi_str_to_uuid(UUID_NFIT_DIMM_N_HPE2, nfit_uuid[NFIT_DEV_DIMM_N_HPE2]); - acpi_str_to_uuid(UUID_NFIT_DIMM_N_MSFT, nfit_uuid[NFIT_DEV_DIMM_N_MSFT]); + guid_parse(UUID_VOLATILE_MEMORY, &nfit_uuid[NFIT_SPA_VOLATILE]); + guid_parse(UUID_PERSISTENT_MEMORY, &nfit_uuid[NFIT_SPA_PM]); + guid_parse(UUID_CONTROL_REGION, &nfit_uuid[NFIT_SPA_DCR]); + guid_parse(UUID_DATA_REGION, &nfit_uuid[NFIT_SPA_BDW]); + guid_parse(UUID_VOLATILE_VIRTUAL_DISK, &nfit_uuid[NFIT_SPA_VDISK]); + guid_parse(UUID_VOLATILE_VIRTUAL_CD, &nfit_uuid[NFIT_SPA_VCD]); + guid_parse(UUID_PERSISTENT_VIRTUAL_DISK, &nfit_uuid[NFIT_SPA_PDISK]); + guid_parse(UUID_PERSISTENT_VIRTUAL_CD, &nfit_uuid[NFIT_SPA_PCD]); + guid_parse(UUID_NFIT_BUS, &nfit_uuid[NFIT_DEV_BUS]); + guid_parse(UUID_NFIT_DIMM, &nfit_uuid[NFIT_DEV_DIMM]); + guid_parse(UUID_NFIT_DIMM_N_HPE1, &nfit_uuid[NFIT_DEV_DIMM_N_HPE1]); + guid_parse(UUID_NFIT_DIMM_N_HPE2, &nfit_uuid[NFIT_DEV_DIMM_N_HPE2]); + guid_parse(UUID_NFIT_DIMM_N_MSFT, &nfit_uuid[NFIT_DEV_DIMM_N_MSFT]); nfit_wq = create_singlethread_workqueue("nfit"); if (!nfit_wq) diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h index 58fb7d68e04a..29bdd959517f 100644 --- a/drivers/acpi/nfit/nfit.h +++ b/drivers/acpi/nfit/nfit.h @@ -18,7 +18,6 @@ #include <linux/libnvdimm.h> #include <linux/ndctl.h> #include <linux/types.h> -#include <linux/uuid.h> #include <linux/acpi.h> #include <acpi/acuuid.h> @@ -237,7 +236,7 @@ static inline struct acpi_nfit_desc *to_acpi_desc( return container_of(nd_desc, struct acpi_nfit_desc, nd_desc); } -const u8 *to_nfit_uuid(enum nfit_uuids id); +const guid_t *to_nfit_uuid(enum nfit_uuids id); int acpi_nfit_init(struct acpi_nfit_desc *acpi_desc, void *nfit, acpi_size sz); void acpi_nfit_shutdown(void *data); void __acpi_nfit_notify(struct device *dev, acpi_handle handle, u32 event); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 3a10d7573477..d53162997f32 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1428,6 +1428,37 @@ static void acpi_init_coherency(struct acpi_device *adev) adev->flags.coherent_dma = cca; } +static int acpi_check_spi_i2c_slave(struct acpi_resource *ares, void *data) +{ + bool *is_spi_i2c_slave_p = data; + + if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) + return 1; + + /* + * devices that are connected to UART still need to be enumerated to + * platform bus + */ + if (ares->data.common_serial_bus.type != ACPI_RESOURCE_SERIAL_TYPE_UART) + *is_spi_i2c_slave_p = true; + + /* no need to do more checking */ + return -1; +} + +static bool acpi_is_spi_i2c_slave(struct acpi_device *device) +{ + struct list_head resource_list; + bool is_spi_i2c_slave = false; + + INIT_LIST_HEAD(&resource_list); + acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave, + &is_spi_i2c_slave); + acpi_dev_free_resource_list(&resource_list); + + return is_spi_i2c_slave; +} + void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, int type, unsigned long long sta) { @@ -1443,6 +1474,7 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, acpi_bus_get_flags(device); device->flags.match_driver = false; device->flags.initialized = true; + device->flags.spi_i2c_slave = acpi_is_spi_i2c_slave(device); acpi_device_clear_enumerated(device); device_initialize(&device->dev); dev_set_uevent_suppress(&device->dev, true); @@ -1727,38 +1759,13 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl_not_used, return AE_OK; } -static int acpi_check_spi_i2c_slave(struct acpi_resource *ares, void *data) -{ - bool *is_spi_i2c_slave_p = data; - - if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) - return 1; - - /* - * devices that are connected to UART still need to be enumerated to - * platform bus - */ - if (ares->data.common_serial_bus.type != ACPI_RESOURCE_SERIAL_TYPE_UART) - *is_spi_i2c_slave_p = true; - - /* no need to do more checking */ - return -1; -} - static void acpi_default_enumeration(struct acpi_device *device) { - struct list_head resource_list; - bool is_spi_i2c_slave = false; - /* * Do not enumerate SPI/I2C slaves as they will be enumerated by their * respective parents. */ - INIT_LIST_HEAD(&resource_list); - acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave, - &is_spi_i2c_slave); - acpi_dev_free_resource_list(&resource_list); - if (!is_spi_i2c_slave) { + if (!device->flags.spi_i2c_slave) { acpi_create_platform_device(device, NULL); acpi_device_set_enumerated(device); } else { @@ -1854,7 +1861,7 @@ static void acpi_bus_attach(struct acpi_device *device) return; device->flags.match_driver = true; - if (ret > 0) { + if (ret > 0 && !device->flags.spi_i2c_slave) { acpi_device_set_enumerated(device); goto ok; } @@ -1863,10 +1870,10 @@ static void acpi_bus_attach(struct acpi_device *device) if (ret < 0) return; - if (device->pnp.type.platform_id) - acpi_default_enumeration(device); - else + if (!device->pnp.type.platform_id && !device->flags.spi_i2c_slave) acpi_device_set_enumerated(device); + else + acpi_default_enumeration(device); ok: list_for_each_entry(child, &device->children, node) diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 27d0dcfcf47d..b9d956c916f5 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -613,19 +613,19 @@ acpi_status acpi_evaluate_lck(acpi_handle handle, int lock) /** * acpi_evaluate_dsm - evaluate device's _DSM method * @handle: ACPI device handle - * @uuid: UUID of requested functions, should be 16 bytes + * @guid: GUID of requested functions, should be 16 bytes * @rev: revision number of requested function * @func: requested function number * @argv4: the function specific parameter * - * Evaluate device's _DSM method with specified UUID, revision id and + * Evaluate device's _DSM method with specified GUID, revision id and * function number. Caller needs to free the returned object. * * Though ACPI defines the fourth parameter for _DSM should be a package, * some old BIOSes do expect a buffer or an integer etc. */ union acpi_object * -acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid, u64 rev, u64 func, +acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 func, union acpi_object *argv4) { acpi_status ret; @@ -638,7 +638,7 @@ acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid, u64 rev, u64 func, params[0].type = ACPI_TYPE_BUFFER; params[0].buffer.length = 16; - params[0].buffer.pointer = (char *)uuid; + params[0].buffer.pointer = (u8 *)guid; params[1].type = ACPI_TYPE_INTEGER; params[1].integer.value = rev; params[2].type = ACPI_TYPE_INTEGER; @@ -666,7 +666,7 @@ EXPORT_SYMBOL(acpi_evaluate_dsm); /** * acpi_check_dsm - check if _DSM method supports requested functions. * @handle: ACPI device handle - * @uuid: UUID of requested functions, should be 16 bytes at least + * @guid: GUID of requested functions, should be 16 bytes at least * @rev: revision number of requested functions * @funcs: bitmap of requested functions * @@ -674,7 +674,7 @@ EXPORT_SYMBOL(acpi_evaluate_dsm); * functions. Currently only support 64 functions at maximum, should be * enough for now. */ -bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, u64 rev, u64 funcs) +bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 funcs) { int i; u64 mask = 0; @@ -683,7 +683,7 @@ bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, u64 rev, u64 funcs) if (funcs == 0) return false; - obj = acpi_evaluate_dsm(handle, uuid, rev, 0, NULL); + obj = acpi_evaluate_dsm(handle, guid, rev, 0, NULL); if (!obj) return false; @@ -697,7 +697,7 @@ bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, u64 rev, u64 funcs) /* * Bit 0 indicates whether there's support for any functions other than - * function 0 for the specified UUID and revision. + * function 0 for the specified GUID and revision. */ if ((mask & 0x1) && (mask & funcs) == funcs) return true; diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 726c32e35db9..0e824091a12f 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -609,8 +609,6 @@ int xen_blkif_schedule(void *arg) unsigned long timeout; int ret; - xen_blkif_get(blkif); - set_freezable(); while (!kthread_should_stop()) { if (try_to_freeze()) @@ -665,7 +663,6 @@ purge_gnt_list: print_stats(ring); ring->xenblkd = NULL; - xen_blkif_put(blkif); return 0; } @@ -1436,34 +1433,35 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, static void make_response(struct xen_blkif_ring *ring, u64 id, unsigned short op, int st) { - struct blkif_response resp; + struct blkif_response *resp; unsigned long flags; union blkif_back_rings *blk_rings; int notify; - resp.id = id; - resp.operation = op; - resp.status = st; - spin_lock_irqsave(&ring->blk_ring_lock, flags); blk_rings = &ring->blk_rings; /* Place on the response ring for the relevant domain. */ switch (ring->blkif->blk_protocol) { case BLKIF_PROTOCOL_NATIVE: - memcpy(RING_GET_RESPONSE(&blk_rings->native, blk_rings->native.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->native, + blk_rings->native.rsp_prod_pvt); break; case BLKIF_PROTOCOL_X86_32: - memcpy(RING_GET_RESPONSE(&blk_rings->x86_32, blk_rings->x86_32.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->x86_32, + blk_rings->x86_32.rsp_prod_pvt); break; case BLKIF_PROTOCOL_X86_64: - memcpy(RING_GET_RESPONSE(&blk_rings->x86_64, blk_rings->x86_64.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->x86_64, + blk_rings->x86_64.rsp_prod_pvt); break; default: BUG(); } + + resp->id = id; + resp->operation = op; + resp->status = st; + blk_rings->common.rsp_prod_pvt++; RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&blk_rings->common, notify); spin_unlock_irqrestore(&ring->blk_ring_lock, flags); diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index dea61f6ab8cb..ecb35fe8ca8d 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -75,9 +75,8 @@ extern unsigned int xenblk_max_queues; struct blkif_common_request { char dummy; }; -struct blkif_common_response { - char dummy; -}; + +/* i386 protocol version */ struct blkif_x86_32_request_rw { uint8_t nr_segments; /* number of segments */ @@ -129,14 +128,6 @@ struct blkif_x86_32_request { } u; } __attribute__((__packed__)); -/* i386 protocol version */ -#pragma pack(push, 4) -struct blkif_x86_32_response { - uint64_t id; /* copied from request */ - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; -#pragma pack(pop) /* x86_64 protocol version */ struct blkif_x86_64_request_rw { @@ -193,18 +184,12 @@ struct blkif_x86_64_request { } u; } __attribute__((__packed__)); -struct blkif_x86_64_response { - uint64_t __attribute__((__aligned__(8))) id; - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; - DEFINE_RING_TYPES(blkif_common, struct blkif_common_request, - struct blkif_common_response); + struct blkif_response); DEFINE_RING_TYPES(blkif_x86_32, struct blkif_x86_32_request, - struct blkif_x86_32_response); + struct blkif_response __packed); DEFINE_RING_TYPES(blkif_x86_64, struct blkif_x86_64_request, - struct blkif_x86_64_response); + struct blkif_response); union blkif_back_rings { struct blkif_back_ring native; @@ -281,6 +266,7 @@ struct xen_blkif_ring { wait_queue_head_t wq; atomic_t inflight; + bool active; /* One thread per blkif ring. */ struct task_struct *xenblkd; unsigned int waiting_reqs; diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 1f3dfaa54d87..792da683e70d 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -159,7 +159,7 @@ static int xen_blkif_alloc_rings(struct xen_blkif *blkif) init_waitqueue_head(&ring->shutdown_wq); ring->blkif = blkif; ring->st_print = jiffies; - xen_blkif_get(blkif); + ring->active = true; } return 0; @@ -249,10 +249,12 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) struct xen_blkif_ring *ring = &blkif->rings[r]; unsigned int i = 0; + if (!ring->active) + continue; + if (ring->xenblkd) { kthread_stop(ring->xenblkd); wake_up(&ring->shutdown_wq); - ring->xenblkd = NULL; } /* The above kthread_stop() guarantees that at this point we @@ -296,7 +298,7 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) BUG_ON(ring->free_pages_num != 0); BUG_ON(ring->persistent_gnt_c != 0); WARN_ON(i != (XEN_BLKIF_REQS_PER_PAGE * blkif->nr_ring_pages)); - xen_blkif_put(blkif); + ring->active = false; } blkif->nr_ring_pages = 0; /* @@ -312,9 +314,10 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) static void xen_blkif_free(struct xen_blkif *blkif) { - - xen_blkif_disconnect(blkif); + WARN_ON(xen_blkif_disconnect(blkif)); xen_vbd_free(&blkif->vbd); + kfree(blkif->be->mode); + kfree(blkif->be); /* Make sure everything is drained before shutting down */ kmem_cache_free(xen_blkif_cachep, blkif); @@ -511,8 +514,6 @@ static int xen_blkbk_remove(struct xenbus_device *dev) xen_blkif_put(be->blkif); } - kfree(be->mode); - kfree(be); return 0; } diff --git a/drivers/char/random.c b/drivers/char/random.c index e870f329db88..01a260f67437 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -803,13 +803,13 @@ static int crng_fast_load(const char *cp, size_t len) p[crng_init_cnt % CHACHA20_KEY_SIZE] ^= *cp; cp++; crng_init_cnt++; len--; } + spin_unlock_irqrestore(&primary_crng.lock, flags); if (crng_init_cnt >= CRNG_INIT_CNT_THRESH) { invalidate_batched_entropy(); crng_init = 1; wake_up_interruptible(&crng_init_wait); pr_notice("random: fast init done\n"); } - spin_unlock_irqrestore(&primary_crng.lock, flags); return 1; } @@ -841,6 +841,7 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) } memzero_explicit(&buf, sizeof(buf)); crng->init_time = jiffies; + spin_unlock_irqrestore(&primary_crng.lock, flags); if (crng == &primary_crng && crng_init < 2) { invalidate_batched_entropy(); crng_init = 2; @@ -848,7 +849,6 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) wake_up_interruptible(&crng_init_wait); pr_notice("random: crng init done\n"); } - spin_unlock_irqrestore(&primary_crng.lock, flags); } static inline void crng_wait_ready(void) @@ -2041,8 +2041,8 @@ static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64); u64 get_random_u64(void) { u64 ret; - bool use_lock = crng_init < 2; - unsigned long flags; + bool use_lock = READ_ONCE(crng_init) < 2; + unsigned long flags = 0; struct batched_entropy *batch; #if BITS_PER_LONG == 64 @@ -2073,8 +2073,8 @@ static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32); u32 get_random_u32(void) { u32 ret; - bool use_lock = crng_init < 2; - unsigned long flags; + bool use_lock = READ_ONCE(crng_init) < 2; + unsigned long flags = 0; struct batched_entropy *batch; if (arch_get_random_int(&ret)) diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index b917b9d5f710..c378c7b15d49 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -27,10 +27,9 @@ #define ACPI_SIG_TPM2 "TPM2" -static const u8 CRB_ACPI_START_UUID[] = { - /* 0000 */ 0xAB, 0x6C, 0xBF, 0x6B, 0x63, 0x54, 0x14, 0x47, - /* 0008 */ 0xB7, 0xCD, 0xF0, 0x20, 0x3C, 0x03, 0x68, 0xD4 -}; +static const guid_t crb_acpi_start_guid = + GUID_INIT(0x6BBF6CAB, 0x5463, 0x4714, + 0xB7, 0xCD, 0xF0, 0x20, 0x3C, 0x03, 0x68, 0xD4); enum crb_defaults { CRB_ACPI_START_REVISION_ID = 1, @@ -266,7 +265,7 @@ static int crb_do_acpi_start(struct tpm_chip *chip) int rc; obj = acpi_evaluate_dsm(chip->acpi_dev_handle, - CRB_ACPI_START_UUID, + &crb_acpi_start_guid, CRB_ACPI_START_REVISION_ID, CRB_ACPI_START_INDEX, NULL); diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index 692a2c6ae036..86dd8521feef 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -32,20 +32,16 @@ #define PPI_VS_REQ_START 128 #define PPI_VS_REQ_END 255 -static const u8 tpm_ppi_uuid[] = { - 0xA6, 0xFA, 0xDD, 0x3D, - 0x1B, 0x36, - 0xB4, 0x4E, - 0xA4, 0x24, - 0x8D, 0x10, 0x08, 0x9D, 0x16, 0x53 -}; +static const guid_t tpm_ppi_guid = + GUID_INIT(0x3DDDFAA6, 0x361B, 0x4EB4, + 0xA4, 0x24, 0x8D, 0x10, 0x08, 0x9D, 0x16, 0x53); static inline union acpi_object * tpm_eval_dsm(acpi_handle ppi_handle, int func, acpi_object_type type, union acpi_object *argv4) { BUG_ON(!ppi_handle); - return acpi_evaluate_dsm_typed(ppi_handle, tpm_ppi_uuid, + return acpi_evaluate_dsm_typed(ppi_handle, &tpm_ppi_guid, TPM_PPI_REVISION_ID, func, argv4, type); } @@ -107,7 +103,7 @@ static ssize_t tpm_store_ppi_request(struct device *dev, * is updated with function index from SUBREQ to SUBREQ2 since PPI * version 1.1 */ - if (acpi_check_dsm(chip->acpi_dev_handle, tpm_ppi_uuid, + if (acpi_check_dsm(chip->acpi_dev_handle, &tpm_ppi_guid, TPM_PPI_REVISION_ID, 1 << TPM_PPI_FN_SUBREQ2)) func = TPM_PPI_FN_SUBREQ2; @@ -268,7 +264,7 @@ static ssize_t show_ppi_operations(acpi_handle dev_handle, char *buf, u32 start, "User not required", }; - if (!acpi_check_dsm(dev_handle, tpm_ppi_uuid, TPM_PPI_REVISION_ID, + if (!acpi_check_dsm(dev_handle, &tpm_ppi_guid, TPM_PPI_REVISION_ID, 1 << TPM_PPI_FN_GETOPR)) return -EPERM; @@ -341,12 +337,12 @@ void tpm_add_ppi(struct tpm_chip *chip) if (!chip->acpi_dev_handle) return; - if (!acpi_check_dsm(chip->acpi_dev_handle, tpm_ppi_uuid, + if (!acpi_check_dsm(chip->acpi_dev_handle, &tpm_ppi_guid, TPM_PPI_REVISION_ID, 1 << TPM_PPI_FN_VERSION)) return; /* Cache PPI version string. */ - obj = acpi_evaluate_dsm_typed(chip->acpi_dev_handle, tpm_ppi_uuid, + obj = acpi_evaluate_dsm_typed(chip->acpi_dev_handle, &tpm_ppi_guid, TPM_PPI_REVISION_ID, TPM_PPI_FN_VERSION, NULL, ACPI_TYPE_STRING); if (obj) { diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index 19480bcc7046..2f29ee1a4d00 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -14,6 +14,7 @@ config COMMON_CLK_MESON8B config COMMON_CLK_GXBB bool depends on COMMON_CLK_AMLOGIC + select RESET_CONTROLLER help Support for the clock controller on AmLogic S905 devices, aka gxbb. Say Y if you want peripherals and CPU frequency scaling to work. diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig index b0d551a8efe4..eb89c7801f00 100644 --- a/drivers/clk/sunxi-ng/Kconfig +++ b/drivers/clk/sunxi-ng/Kconfig @@ -156,6 +156,7 @@ config SUN8I_R_CCU bool "Support for Allwinner SoCs' PRCM CCUs" select SUNXI_CCU_DIV select SUNXI_CCU_GATE + select SUNXI_CCU_MP default MACH_SUN8I || (ARCH_SUNXI && ARM64) endif diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h index 9b3cd24b78d2..061b6fbb4f95 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h @@ -31,7 +31,9 @@ #define CLK_PLL_VIDEO0_2X 8 #define CLK_PLL_VE 9 #define CLK_PLL_DDR0 10 -#define CLK_PLL_PERIPH0 11 + +/* PLL_PERIPH0 exported for PRCM */ + #define CLK_PLL_PERIPH0_2X 12 #define CLK_PLL_PERIPH1 13 #define CLK_PLL_PERIPH1_2X 14 diff --git a/drivers/clk/sunxi-ng/ccu-sun5i.c b/drivers/clk/sunxi-ng/ccu-sun5i.c index 5c476f966a72..5372bf8be5e6 100644 --- a/drivers/clk/sunxi-ng/ccu-sun5i.c +++ b/drivers/clk/sunxi-ng/ccu-sun5i.c @@ -243,7 +243,7 @@ static SUNXI_CCU_GATE(ahb_ss_clk, "ahb-ss", "ahb", static SUNXI_CCU_GATE(ahb_dma_clk, "ahb-dma", "ahb", 0x060, BIT(6), 0); static SUNXI_CCU_GATE(ahb_bist_clk, "ahb-bist", "ahb", - 0x060, BIT(6), 0); + 0x060, BIT(7), 0); static SUNXI_CCU_GATE(ahb_mmc0_clk, "ahb-mmc0", "ahb", 0x060, BIT(8), 0); static SUNXI_CCU_GATE(ahb_mmc1_clk, "ahb-mmc1", "ahb", diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c index 89e68d29bf45..df97e25aec76 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c @@ -556,7 +556,7 @@ static SUNXI_CCU_M_WITH_MUX_GATE(lcd0_ch1_clk, "lcd0-ch1", lcd_ch1_parents, 0x12c, 0, 4, 24, 3, BIT(31), CLK_SET_RATE_PARENT); static SUNXI_CCU_M_WITH_MUX_GATE(lcd1_ch1_clk, "lcd1-ch1", lcd_ch1_parents, - 0x12c, 0, 4, 24, 3, BIT(31), + 0x130, 0, 4, 24, 3, BIT(31), CLK_SET_RATE_PARENT); static const char * const csi_sclk_parents[] = { "pll-video0", "pll-video1", diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.h b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h index 85973d1e8165..1b4baea37d81 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.h +++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h @@ -29,7 +29,9 @@ #define CLK_PLL_VIDEO 6 #define CLK_PLL_VE 7 #define CLK_PLL_DDR 8 -#define CLK_PLL_PERIPH0 9 + +/* PLL_PERIPH0 exported for PRCM */ + #define CLK_PLL_PERIPH0_2X 10 #define CLK_PLL_GPU 11 #define CLK_PLL_PERIPH1 12 diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c index e58706b40ae9..6297add857b5 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c @@ -537,7 +537,7 @@ static struct ccu_reset_map sun8i_v3s_ccu_resets[] = { [RST_BUS_EMAC] = { 0x2c0, BIT(17) }, [RST_BUS_HSTIMER] = { 0x2c0, BIT(19) }, [RST_BUS_SPI0] = { 0x2c0, BIT(20) }, - [RST_BUS_OTG] = { 0x2c0, BIT(23) }, + [RST_BUS_OTG] = { 0x2c0, BIT(24) }, [RST_BUS_EHCI0] = { 0x2c0, BIT(26) }, [RST_BUS_OHCI0] = { 0x2c0, BIT(29) }, diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 4bed671e490e..8b5c30062d99 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -1209,9 +1209,9 @@ arch_timer_mem_frame_get_cntfrq(struct arch_timer_mem_frame *frame) return 0; } - rate = readl_relaxed(frame + CNTFRQ); + rate = readl_relaxed(base + CNTFRQ); - iounmap(frame); + iounmap(base); return rate; } diff --git a/drivers/clocksource/cadence_ttc_timer.c b/drivers/clocksource/cadence_ttc_timer.c index 44e5e951583b..8e64b8460f11 100644 --- a/drivers/clocksource/cadence_ttc_timer.c +++ b/drivers/clocksource/cadence_ttc_timer.c @@ -18,6 +18,7 @@ #include <linux/clk.h> #include <linux/interrupt.h> #include <linux/clockchips.h> +#include <linux/clocksource.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/slab.h> diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c index 2e9c830ae1cd..c4656c4d44a6 100644 --- a/drivers/clocksource/timer-sun5i.c +++ b/drivers/clocksource/timer-sun5i.c @@ -12,6 +12,7 @@ #include <linux/clk.h> #include <linux/clockchips.h> +#include <linux/clocksource.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/irq.h> diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c index e82bb3c30b92..10be285c9055 100644 --- a/drivers/cpufreq/cppc_cpufreq.c +++ b/drivers/cpufreq/cppc_cpufreq.c @@ -144,10 +144,23 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy) cppc_dmi_max_khz = cppc_get_dmi_max_khz(); - policy->min = cpu->perf_caps.lowest_perf * cppc_dmi_max_khz / cpu->perf_caps.highest_perf; + /* + * Set min to lowest nonlinear perf to avoid any efficiency penalty (see + * Section 8.4.7.1.1.5 of ACPI 6.1 spec) + */ + policy->min = cpu->perf_caps.lowest_nonlinear_perf * cppc_dmi_max_khz / + cpu->perf_caps.highest_perf; policy->max = cppc_dmi_max_khz; - policy->cpuinfo.min_freq = policy->min; - policy->cpuinfo.max_freq = policy->max; + + /* + * Set cpuinfo.min_freq to Lowest to make the full range of performance + * available if userspace wants to use any perf between lowest & lowest + * nonlinear perf + */ + policy->cpuinfo.min_freq = cpu->perf_caps.lowest_perf * cppc_dmi_max_khz / + cpu->perf_caps.highest_perf; + policy->cpuinfo.max_freq = cppc_dmi_max_khz; + policy->cpuinfo.transition_latency = cppc_get_transition_latency(cpu_num); policy->shared_type = cpu->shared_type; diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c index 921b4a6c3d16..1c262923fe58 100644 --- a/drivers/cpufreq/cpufreq-dt-platdev.c +++ b/drivers/cpufreq/cpufreq-dt-platdev.c @@ -31,6 +31,7 @@ static const struct of_device_id machines[] __initconst = { { .compatible = "arm,integrator-ap", }, { .compatible = "arm,integrator-cp", }, + { .compatible = "hisilicon,hi3660", }, { .compatible = "hisilicon,hi6220", }, { .compatible = "fsl,imx27", }, diff --git a/drivers/cpufreq/exynos5440-cpufreq.c b/drivers/cpufreq/exynos5440-cpufreq.c index 9180d34cc9fc..b6b369c22272 100644 --- a/drivers/cpufreq/exynos5440-cpufreq.c +++ b/drivers/cpufreq/exynos5440-cpufreq.c @@ -173,12 +173,12 @@ static void exynos_enable_dvfs(unsigned int cur_frequency) /* Enable PSTATE Change Event */ tmp = __raw_readl(dvfs_info->base + XMU_PMUEVTEN); tmp |= (1 << PSTATE_CHANGED_EVTEN_SHIFT); - __raw_writel(tmp, dvfs_info->base + XMU_PMUEVTEN); + __raw_writel(tmp, dvfs_info->base + XMU_PMUEVTEN); /* Enable PSTATE Change IRQ */ tmp = __raw_readl(dvfs_info->base + XMU_PMUIRQEN); tmp |= (1 << PSTATE_CHANGED_IRQEN_SHIFT); - __raw_writel(tmp, dvfs_info->base + XMU_PMUIRQEN); + __raw_writel(tmp, dvfs_info->base + XMU_PMUIRQEN); /* Set initial performance index */ cpufreq_for_each_entry(pos, freq_table) @@ -330,7 +330,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) struct resource res; unsigned int cur_frequency; - np = pdev->dev.of_node; + np = pdev->dev.of_node; if (!np) return -ENODEV; diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 9c13f097fd8c..b6edd3ccaa55 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -101,7 +101,8 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) * - Reprogram pll1_sys_clk and reparent pll1_sw_clk back to it * - Disable pll2_pfd2_396m_clk */ - if (of_machine_is_compatible("fsl,imx6ul")) { + if (of_machine_is_compatible("fsl,imx6ul") || + of_machine_is_compatible("fsl,imx6ull")) { /* * When changing pll1_sw_clk's parent to pll1_sys_clk, * CPU may run at higher than 528MHz, this will lead to @@ -215,7 +216,8 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) goto put_clk; } - if (of_machine_is_compatible("fsl,imx6ul")) { + if (of_machine_is_compatible("fsl,imx6ul") || + of_machine_is_compatible("fsl,imx6ull")) { pll2_bus_clk = clk_get(cpu_dev, "pll2_bus"); secondary_sel_clk = clk_get(cpu_dev, "secondary_sel"); if (IS_ERR(pll2_bus_clk) || IS_ERR(secondary_sel_clk)) { diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 756483251832..48a98f11a84e 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -651,6 +651,12 @@ static const char * const energy_perf_strings[] = { "power", NULL }; +static const unsigned int epp_values[] = { + HWP_EPP_PERFORMANCE, + HWP_EPP_BALANCE_PERFORMANCE, + HWP_EPP_BALANCE_POWERSAVE, + HWP_EPP_POWERSAVE +}; static int intel_pstate_get_energy_pref_index(struct cpudata *cpu_data) { @@ -662,17 +668,14 @@ static int intel_pstate_get_energy_pref_index(struct cpudata *cpu_data) return epp; if (static_cpu_has(X86_FEATURE_HWP_EPP)) { - /* - * Range: - * 0x00-0x3F : Performance - * 0x40-0x7F : Balance performance - * 0x80-0xBF : Balance power - * 0xC0-0xFF : Power - * The EPP is a 8 bit value, but our ranges restrict the - * value which can be set. Here only using top two bits - * effectively. - */ - index = (epp >> 6) + 1; + if (epp == HWP_EPP_PERFORMANCE) + return 1; + if (epp <= HWP_EPP_BALANCE_PERFORMANCE) + return 2; + if (epp <= HWP_EPP_BALANCE_POWERSAVE) + return 3; + else + return 4; } else if (static_cpu_has(X86_FEATURE_EPB)) { /* * Range: @@ -710,15 +713,8 @@ static int intel_pstate_set_energy_pref_index(struct cpudata *cpu_data, value &= ~GENMASK_ULL(31, 24); - /* - * If epp is not default, convert from index into - * energy_perf_strings to epp value, by shifting 6 - * bits left to use only top two bits in epp. - * The resultant epp need to shifted by 24 bits to - * epp position in MSR_HWP_REQUEST. - */ if (epp == -EINVAL) - epp = (pref_index - 1) << 6; + epp = epp_values[pref_index - 1]; value |= (u64)epp << 24; ret = wrmsrl_on_cpu(cpu_data->cpu, MSR_HWP_REQUEST, value); diff --git a/drivers/cpufreq/sfi-cpufreq.c b/drivers/cpufreq/sfi-cpufreq.c index 992ce6f9abec..3779742f86e3 100644 --- a/drivers/cpufreq/sfi-cpufreq.c +++ b/drivers/cpufreq/sfi-cpufreq.c @@ -24,7 +24,7 @@ #include <asm/msr.h> -struct cpufreq_frequency_table *freq_table; +static struct cpufreq_frequency_table *freq_table; static struct sfi_freq_table_entry *sfi_cpufreq_array; static int num_freq_table_entries; diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm index 21340e0be73e..f52144808455 100644 --- a/drivers/cpuidle/Kconfig.arm +++ b/drivers/cpuidle/Kconfig.arm @@ -4,6 +4,7 @@ config ARM_CPUIDLE bool "Generic ARM/ARM64 CPU idle Driver" select DT_IDLE_STATES + select CPU_IDLE_MULTIPLE_DRIVERS help Select this to enable generic cpuidle driver for ARM. It provides a generic idle driver whose idle states are configured diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c index f440d385ed34..7080c384ad5d 100644 --- a/drivers/cpuidle/cpuidle-arm.c +++ b/drivers/cpuidle/cpuidle-arm.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/slab.h> +#include <linux/topology.h> #include <asm/cpuidle.h> @@ -44,7 +45,7 @@ static int arm_enter_idle_state(struct cpuidle_device *dev, return CPU_PM_CPU_IDLE_ENTER(arm_cpuidle_suspend, idx); } -static struct cpuidle_driver arm_idle_driver = { +static struct cpuidle_driver arm_idle_driver __initdata = { .name = "arm_idle", .owner = THIS_MODULE, /* @@ -80,30 +81,42 @@ static const struct of_device_id arm_idle_state_match[] __initconst = { static int __init arm_idle_init(void) { int cpu, ret; - struct cpuidle_driver *drv = &arm_idle_driver; + struct cpuidle_driver *drv; struct cpuidle_device *dev; - /* - * Initialize idle states data, starting at index 1. - * This driver is DT only, if no DT idle states are detected (ret == 0) - * let the driver initialization fail accordingly since there is no - * reason to initialize the idle driver if only wfi is supported. - */ - ret = dt_init_idle_driver(drv, arm_idle_state_match, 1); - if (ret <= 0) - return ret ? : -ENODEV; - - ret = cpuidle_register_driver(drv); - if (ret) { - pr_err("Failed to register cpuidle driver\n"); - return ret; - } - - /* - * Call arch CPU operations in order to initialize - * idle states suspend back-end specific data - */ for_each_possible_cpu(cpu) { + + drv = kmemdup(&arm_idle_driver, sizeof(*drv), GFP_KERNEL); + if (!drv) { + ret = -ENOMEM; + goto out_fail; + } + + drv->cpumask = (struct cpumask *)cpumask_of(cpu); + + /* + * Initialize idle states data, starting at index 1. This + * driver is DT only, if no DT idle states are detected (ret + * == 0) let the driver initialization fail accordingly since + * there is no reason to initialize the idle driver if only + * wfi is supported. + */ + ret = dt_init_idle_driver(drv, arm_idle_state_match, 1); + if (ret <= 0) { + ret = ret ? : -ENODEV; + goto out_fail; + } + + ret = cpuidle_register_driver(drv); + if (ret) { + pr_err("Failed to register cpuidle driver\n"); + goto out_fail; + } + + /* + * Call arch CPU operations in order to initialize + * idle states suspend back-end specific data + */ ret = arm_cpuidle_init(cpu); /* @@ -141,10 +154,11 @@ out_fail: dev = per_cpu(cpuidle_devices, cpu); cpuidle_unregister_device(dev); kfree(dev); + drv = cpuidle_get_driver(); + cpuidle_unregister_driver(drv); + kfree(drv); } - cpuidle_unregister_driver(drv); - return ret; } device_initcall(arm_idle_init); diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index b2330fd69e34..61b64c2b2cb8 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -286,6 +286,8 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) struct device *device = get_cpu_device(dev->cpu); int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY); int i; + int first_idx; + int idx; unsigned int interactivity_req; unsigned int expected_interval; unsigned long nr_iowaiters, cpu_load; @@ -335,11 +337,11 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) if (data->next_timer_us > polling_threshold && latency_req > s->exit_latency && !s->disabled && !dev->states_usage[CPUIDLE_DRIVER_STATE_START].disable) - data->last_state_idx = CPUIDLE_DRIVER_STATE_START; + first_idx = CPUIDLE_DRIVER_STATE_START; else - data->last_state_idx = CPUIDLE_DRIVER_STATE_START - 1; + first_idx = CPUIDLE_DRIVER_STATE_START - 1; } else { - data->last_state_idx = CPUIDLE_DRIVER_STATE_START; + first_idx = 0; } /* @@ -359,20 +361,28 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) * Find the idle state with the lowest power while satisfying * our constraints. */ - for (i = data->last_state_idx + 1; i < drv->state_count; i++) { + idx = -1; + for (i = first_idx; i < drv->state_count; i++) { struct cpuidle_state *s = &drv->states[i]; struct cpuidle_state_usage *su = &dev->states_usage[i]; if (s->disabled || su->disable) continue; + if (idx == -1) + idx = i; /* first enabled state */ if (s->target_residency > data->predicted_us) break; if (s->exit_latency > latency_req) break; - data->last_state_idx = i; + idx = i; } + if (idx == -1) + idx = 0; /* No states enabled. Must use 0. */ + + data->last_state_idx = idx; + return data->last_state_idx; } diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 5104b6398139..c83ea68be792 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -721,7 +721,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev, u32 set; if (!of_device_is_compatible(mvchip->chip.of_node, - "marvell,armada-370-xp-gpio")) + "marvell,armada-370-gpio")) return 0; if (IS_ERR(mvchip->clk)) @@ -852,7 +852,7 @@ static const struct of_device_id mvebu_gpio_of_match[] = { .data = (void *) MVEBU_GPIO_SOC_VARIANT_ARMADAXP, }, { - .compatible = "marvell,armada-370-xp-gpio", + .compatible = "marvell,armada-370-gpio", .data = (void *) MVEBU_GPIO_SOC_VARIANT_ORION, }, { @@ -1128,7 +1128,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip); } - /* Armada 370/XP has simple PWM support for GPIO lines */ + /* Some MVEBU SoCs have simple PWM support for GPIO lines */ if (IS_ENABLED(CONFIG_PWM)) return mvebu_pwm_probe(pdev, mvchip, id); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 1cf78f4dd339..1e8e1123ddf4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -693,6 +693,10 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n", adev->clock.default_dispclk / 100); adev->clock.default_dispclk = 60000; + } else if (adev->clock.default_dispclk <= 60000) { + DRM_INFO("Changing default dispclk from %dMhz to 625Mhz\n", + adev->clock.default_dispclk / 100); + adev->clock.default_dispclk = 62500; } adev->clock.dp_extclk = le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index f2d705e6a75a..ab6b0d0febab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -449,6 +449,7 @@ static const struct pci_device_id pciidlist[] = { {0x1002, 0x6986, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6987, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6995, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, + {0x1002, 0x6997, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x699F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, /* Vega 10 */ {0x1002, 0x6860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10|AMD_EXP_HW_SUPPORT}, diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c index 8c9bc75a9c2d..8a0818b23ea4 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c @@ -165,7 +165,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); - ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; + ENABLE_DISP_POWER_GATING_PS_ALLOCATION args; memset(&args, 0, sizeof(args)); @@ -178,7 +178,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state) void amdgpu_atombios_crtc_powergate_init(struct amdgpu_device *adev) { int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); - ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; + ENABLE_DISP_POWER_GATING_PS_ALLOCATION args; memset(&args, 0, sizeof(args)); diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 9f847615ac74..48ca2457df8c 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1229,21 +1229,6 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (!connector) return -ENOENT; - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); - encoder = drm_connector_get_encoder(connector); - if (encoder) - out_resp->encoder_id = encoder->base.id; - else - out_resp->encoder_id = 0; - - ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic, - (uint32_t __user *)(unsigned long)(out_resp->props_ptr), - (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), - &out_resp->count_props); - drm_modeset_unlock(&dev->mode_config.connection_mutex); - if (ret) - goto out_unref; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) if (connector->encoder_ids[i] != 0) encoders_count++; @@ -1256,7 +1241,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (put_user(connector->encoder_ids[i], encoder_ptr + copied)) { ret = -EFAULT; - goto out_unref; + goto out; } copied++; } @@ -1300,15 +1285,32 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (copy_to_user(mode_ptr + copied, &u_mode, sizeof(u_mode))) { ret = -EFAULT; + mutex_unlock(&dev->mode_config.mutex); + goto out; } copied++; } } out_resp->count_modes = mode_count; -out: mutex_unlock(&dev->mode_config.mutex); -out_unref: + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + encoder = drm_connector_get_encoder(connector); + if (encoder) + out_resp->encoder_id = encoder->base.id; + else + out_resp->encoder_id = 0; + + /* Only grab properties after probing, to make sure EDID and other + * properties reflect the latest status. */ + ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic, + (uint32_t __user *)(unsigned long)(out_resp->props_ptr), + (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), + &out_resp->count_props); + drm_modeset_unlock(&dev->mode_config.connection_mutex); + +out: drm_connector_put(connector); return ret; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 462031cbd77f..615f0a855222 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2285,8 +2285,8 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) struct page *page; unsigned long last_pfn = 0; /* suppress gcc warning */ unsigned int max_segment; + gfp_t noreclaim; int ret; - gfp_t gfp; /* Assert that the object is not currently in any GPU domain. As it * wasn't in the GTT, there shouldn't be any way it could have been in @@ -2315,22 +2315,31 @@ rebuild_st: * Fail silently without starting the shrinker */ mapping = obj->base.filp->f_mapping; - gfp = mapping_gfp_constraint(mapping, ~(__GFP_IO | __GFP_RECLAIM)); - gfp |= __GFP_NORETRY | __GFP_NOWARN; + noreclaim = mapping_gfp_constraint(mapping, + ~(__GFP_IO | __GFP_RECLAIM)); + noreclaim |= __GFP_NORETRY | __GFP_NOWARN; + sg = st->sgl; st->nents = 0; for (i = 0; i < page_count; i++) { - page = shmem_read_mapping_page_gfp(mapping, i, gfp); - if (unlikely(IS_ERR(page))) { - i915_gem_shrink(dev_priv, - page_count, - I915_SHRINK_BOUND | - I915_SHRINK_UNBOUND | - I915_SHRINK_PURGEABLE); + const unsigned int shrink[] = { + I915_SHRINK_BOUND | I915_SHRINK_UNBOUND | I915_SHRINK_PURGEABLE, + 0, + }, *s = shrink; + gfp_t gfp = noreclaim; + + do { page = shmem_read_mapping_page_gfp(mapping, i, gfp); - } - if (unlikely(IS_ERR(page))) { - gfp_t reclaim; + if (likely(!IS_ERR(page))) + break; + + if (!*s) { + ret = PTR_ERR(page); + goto err_sg; + } + + i915_gem_shrink(dev_priv, 2 * page_count, *s++); + cond_resched(); /* We've tried hard to allocate the memory by reaping * our own buffer, now let the real VM do its job and @@ -2340,15 +2349,26 @@ rebuild_st: * defer the oom here by reporting the ENOMEM back * to userspace. */ - reclaim = mapping_gfp_mask(mapping); - reclaim |= __GFP_NORETRY; /* reclaim, but no oom */ - - page = shmem_read_mapping_page_gfp(mapping, i, reclaim); - if (IS_ERR(page)) { - ret = PTR_ERR(page); - goto err_sg; + if (!*s) { + /* reclaim and warn, but no oom */ + gfp = mapping_gfp_mask(mapping); + + /* Our bo are always dirty and so we require + * kswapd to reclaim our pages (direct reclaim + * does not effectively begin pageout of our + * buffers on its own). However, direct reclaim + * only waits for kswapd when under allocation + * congestion. So as a result __GFP_RECLAIM is + * unreliable and fails to actually reclaim our + * dirty pages -- unless you try over and over + * again with !__GFP_NORETRY. However, we still + * want to fail this allocation rather than + * trigger the out-of-memory killer and for + * this we want the future __GFP_MAYFAIL. + */ } - } + } while (1); + if (!i || sg->length >= max_segment || page_to_pfn(page) != last_pfn + 1) { @@ -4222,6 +4242,7 @@ i915_gem_object_create(struct drm_i915_private *dev_priv, u64 size) mapping = obj->base.filp->f_mapping; mapping_set_gfp_mask(mapping, mask); + GEM_BUG_ON(!(mapping_gfp_mask(mapping) & __GFP_RECLAIM)); i915_gem_object_init(obj, &i915_gem_object_ops); diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index 5ddbc9499775..a74d0ac737cb 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -623,7 +623,7 @@ i915_gem_request_alloc(struct intel_engine_cs *engine, * GPU processing the request, we never over-estimate the * position of the head. */ - req->head = req->ring->tail; + req->head = req->ring->emit; /* Check that we didn't interrupt ourselves with a new request */ GEM_BUG_ON(req->timeline->seqno != req->fence.seqno); diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index 1642fff9cf13..ab5140ba108d 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -480,9 +480,7 @@ static void guc_wq_item_append(struct i915_guc_client *client, GEM_BUG_ON(freespace < wqi_size); /* The GuC firmware wants the tail index in QWords, not bytes */ - tail = rq->tail; - assert_ring_tail_valid(rq->ring, rq->tail); - tail >>= 3; + tail = intel_ring_set_tail(rq->ring, rq->tail) >> 3; GEM_BUG_ON(tail > WQ_RING_TAIL_MAX); /* For now workqueue item is 4 DWs; workqueue buffer is 2 pages. So we diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c index eb638a1e69d2..42fb436f6cdc 100644 --- a/drivers/gpu/drm/i915/intel_acpi.c +++ b/drivers/gpu/drm/i915/intel_acpi.c @@ -15,13 +15,9 @@ static struct intel_dsm_priv { acpi_handle dhandle; } intel_dsm_priv; -static const u8 intel_dsm_guid[] = { - 0xd3, 0x73, 0xd8, 0x7e, - 0xd0, 0xc2, - 0x4f, 0x4e, - 0xa8, 0x54, - 0x0f, 0x13, 0x17, 0xb0, 0x1c, 0x2c -}; +static const guid_t intel_dsm_guid = + GUID_INIT(0x7ed873d3, 0xc2d0, 0x4e4f, + 0xa8, 0x54, 0x0f, 0x13, 0x17, 0xb0, 0x1c, 0x2c); static char *intel_dsm_port_name(u8 id) { @@ -80,7 +76,7 @@ static void intel_dsm_platform_mux_info(void) int i; union acpi_object *pkg, *connector_count; - pkg = acpi_evaluate_dsm_typed(intel_dsm_priv.dhandle, intel_dsm_guid, + pkg = acpi_evaluate_dsm_typed(intel_dsm_priv.dhandle, &intel_dsm_guid, INTEL_DSM_REVISION_ID, INTEL_DSM_FN_PLATFORM_MUX_INFO, NULL, ACPI_TYPE_PACKAGE); if (!pkg) { @@ -118,7 +114,7 @@ static bool intel_dsm_pci_probe(struct pci_dev *pdev) if (!dhandle) return false; - if (!acpi_check_dsm(dhandle, intel_dsm_guid, INTEL_DSM_REVISION_ID, + if (!acpi_check_dsm(dhandle, &intel_dsm_guid, INTEL_DSM_REVISION_ID, 1 << INTEL_DSM_FN_PLATFORM_MUX_INFO)) { DRM_DEBUG_KMS("no _DSM method for intel device\n"); return false; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 96b0b01677e2..9106ea32b048 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -120,7 +120,8 @@ static void intel_crtc_init_scalers(struct intel_crtc *crtc, static void skylake_pfit_enable(struct intel_crtc *crtc); static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force); static void ironlake_pfit_enable(struct intel_crtc *crtc); -static void intel_modeset_setup_hw_state(struct drm_device *dev); +static void intel_modeset_setup_hw_state(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx); static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc); struct intel_limit { @@ -3449,7 +3450,7 @@ __intel_display_resume(struct drm_device *dev, struct drm_crtc *crtc; int i, ret; - intel_modeset_setup_hw_state(dev); + intel_modeset_setup_hw_state(dev, ctx); i915_redisable_vga(to_i915(dev)); if (!state) @@ -5825,7 +5826,8 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state, intel_update_watermarks(intel_crtc); } -static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) +static void intel_crtc_disable_noatomic(struct drm_crtc *crtc, + struct drm_modeset_acquire_ctx *ctx) { struct intel_encoder *encoder; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -5855,7 +5857,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) return; } - state->acquire_ctx = crtc->dev->mode_config.acquire_ctx; + state->acquire_ctx = ctx; /* Everything's already locked, -EDEADLK can't happen. */ crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); @@ -15030,7 +15032,7 @@ int intel_modeset_init(struct drm_device *dev) intel_setup_outputs(dev_priv); drm_modeset_lock_all(dev); - intel_modeset_setup_hw_state(dev); + intel_modeset_setup_hw_state(dev, dev->mode_config.acquire_ctx); drm_modeset_unlock_all(dev); for_each_intel_crtc(dev, crtc) { @@ -15067,13 +15069,13 @@ int intel_modeset_init(struct drm_device *dev) return 0; } -static void intel_enable_pipe_a(struct drm_device *dev) +static void intel_enable_pipe_a(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx) { struct intel_connector *connector; struct drm_connector_list_iter conn_iter; struct drm_connector *crt = NULL; struct intel_load_detect_pipe load_detect_temp; - struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; int ret; /* We can't just switch on the pipe A, we need to set things up with a @@ -15145,7 +15147,8 @@ static bool has_pch_trancoder(struct drm_i915_private *dev_priv, (HAS_PCH_LPT_H(dev_priv) && pch_transcoder == TRANSCODER_A); } -static void intel_sanitize_crtc(struct intel_crtc *crtc) +static void intel_sanitize_crtc(struct intel_crtc *crtc, + struct drm_modeset_acquire_ctx *ctx) { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); @@ -15191,7 +15194,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) plane = crtc->plane; crtc->base.primary->state->visible = true; crtc->plane = !plane; - intel_crtc_disable_noatomic(&crtc->base); + intel_crtc_disable_noatomic(&crtc->base, ctx); crtc->plane = plane; } @@ -15201,13 +15204,13 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) * resume. Force-enable the pipe to fix this, the update_dpms * call below we restore the pipe to the right state, but leave * the required bits on. */ - intel_enable_pipe_a(dev); + intel_enable_pipe_a(dev, ctx); } /* Adjust the state of the output pipe according to whether we * have active connectors/encoders. */ if (crtc->active && !intel_crtc_has_encoders(crtc)) - intel_crtc_disable_noatomic(&crtc->base); + intel_crtc_disable_noatomic(&crtc->base, ctx); if (crtc->active || HAS_GMCH_DISPLAY(dev_priv)) { /* @@ -15505,7 +15508,8 @@ get_encoder_power_domains(struct drm_i915_private *dev_priv) * and sanitizes it to the current state */ static void -intel_modeset_setup_hw_state(struct drm_device *dev) +intel_modeset_setup_hw_state(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx) { struct drm_i915_private *dev_priv = to_i915(dev); enum pipe pipe; @@ -15525,7 +15529,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev) for_each_pipe(dev_priv, pipe) { crtc = intel_get_crtc_for_pipe(dev_priv, pipe); - intel_sanitize_crtc(crtc); + intel_sanitize_crtc(crtc, ctx); intel_dump_pipe_config(crtc, crtc->config, "[setup_hw_state]"); } diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c index 6532e226db29..40ba3134545e 100644 --- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c @@ -119,8 +119,6 @@ static int intel_dp_aux_setup_backlight(struct intel_connector *connector, struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base); struct intel_panel *panel = &connector->panel; - intel_dp_aux_enable_backlight(connector); - if (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT) panel->backlight.max = 0xFFFF; else diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index dac4e003c1f3..62f44d3e7c43 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -326,8 +326,7 @@ static u64 execlists_update_context(struct drm_i915_gem_request *rq) rq->ctx->ppgtt ?: rq->i915->mm.aliasing_ppgtt; u32 *reg_state = ce->lrc_reg_state; - assert_ring_tail_valid(rq->ring, rq->tail); - reg_state[CTX_RING_TAIL+1] = rq->tail; + reg_state[CTX_RING_TAIL+1] = intel_ring_set_tail(rq->ring, rq->tail); /* True 32b PPGTT with dynamic page allocation: update PDP * registers and point the unallocated PDPs to scratch page. @@ -2036,8 +2035,7 @@ void intel_lr_context_resume(struct drm_i915_private *dev_priv) ce->state->obj->mm.dirty = true; i915_gem_object_unpin_map(ce->state->obj); - ce->ring->head = ce->ring->tail = 0; - intel_ring_update_space(ce->ring); + intel_ring_reset(ce->ring, 0); } } } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 66a2b8b83972..513a0f4b469b 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -49,7 +49,7 @@ static int __intel_ring_space(int head, int tail, int size) void intel_ring_update_space(struct intel_ring *ring) { - ring->space = __intel_ring_space(ring->head, ring->tail, ring->size); + ring->space = __intel_ring_space(ring->head, ring->emit, ring->size); } static int @@ -774,8 +774,8 @@ static void i9xx_submit_request(struct drm_i915_gem_request *request) i915_gem_request_submit(request); - assert_ring_tail_valid(request->ring, request->tail); - I915_WRITE_TAIL(request->engine, request->tail); + I915_WRITE_TAIL(request->engine, + intel_ring_set_tail(request->ring, request->tail)); } static void i9xx_emit_breadcrumb(struct drm_i915_gem_request *req, u32 *cs) @@ -1316,11 +1316,23 @@ err: return PTR_ERR(addr); } +void intel_ring_reset(struct intel_ring *ring, u32 tail) +{ + GEM_BUG_ON(!list_empty(&ring->request_list)); + ring->tail = tail; + ring->head = tail; + ring->emit = tail; + intel_ring_update_space(ring); +} + void intel_ring_unpin(struct intel_ring *ring) { GEM_BUG_ON(!ring->vma); GEM_BUG_ON(!ring->vaddr); + /* Discard any unused bytes beyond that submitted to hw. */ + intel_ring_reset(ring, ring->tail); + if (i915_vma_is_map_and_fenceable(ring->vma)) i915_vma_unpin_iomap(ring->vma); else @@ -1562,8 +1574,9 @@ void intel_legacy_submission_resume(struct drm_i915_private *dev_priv) struct intel_engine_cs *engine; enum intel_engine_id id; + /* Restart from the beginning of the rings for convenience */ for_each_engine(engine, dev_priv, id) - engine->buffer->head = engine->buffer->tail; + intel_ring_reset(engine->buffer, 0); } static int ring_request_alloc(struct drm_i915_gem_request *request) @@ -1616,7 +1629,7 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes) unsigned space; /* Would completion of this request free enough space? */ - space = __intel_ring_space(target->postfix, ring->tail, + space = __intel_ring_space(target->postfix, ring->emit, ring->size); if (space >= bytes) break; @@ -1641,8 +1654,8 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes) u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) { struct intel_ring *ring = req->ring; - int remain_actual = ring->size - ring->tail; - int remain_usable = ring->effective_size - ring->tail; + int remain_actual = ring->size - ring->emit; + int remain_usable = ring->effective_size - ring->emit; int bytes = num_dwords * sizeof(u32); int total_bytes, wait_bytes; bool need_wrap = false; @@ -1678,17 +1691,17 @@ u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) if (unlikely(need_wrap)) { GEM_BUG_ON(remain_actual > ring->space); - GEM_BUG_ON(ring->tail + remain_actual > ring->size); + GEM_BUG_ON(ring->emit + remain_actual > ring->size); /* Fill the tail with MI_NOOP */ - memset(ring->vaddr + ring->tail, 0, remain_actual); - ring->tail = 0; + memset(ring->vaddr + ring->emit, 0, remain_actual); + ring->emit = 0; ring->space -= remain_actual; } - GEM_BUG_ON(ring->tail > ring->size - bytes); - cs = ring->vaddr + ring->tail; - ring->tail += bytes; + GEM_BUG_ON(ring->emit > ring->size - bytes); + cs = ring->vaddr + ring->emit; + ring->emit += bytes; ring->space -= bytes; GEM_BUG_ON(ring->space < 0); @@ -1699,7 +1712,7 @@ u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) int intel_ring_cacheline_align(struct drm_i915_gem_request *req) { int num_dwords = - (req->ring->tail & (CACHELINE_BYTES - 1)) / sizeof(uint32_t); + (req->ring->emit & (CACHELINE_BYTES - 1)) / sizeof(uint32_t); u32 *cs; if (num_dwords == 0) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index a82a0807f64d..f7144fe09613 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -145,6 +145,7 @@ struct intel_ring { u32 head; u32 tail; + u32 emit; int space; int size; @@ -488,6 +489,8 @@ intel_write_status_page(struct intel_engine_cs *engine, int reg, u32 value) struct intel_ring * intel_engine_create_ring(struct intel_engine_cs *engine, int size); int intel_ring_pin(struct intel_ring *ring, unsigned int offset_bias); +void intel_ring_reset(struct intel_ring *ring, u32 tail); +void intel_ring_update_space(struct intel_ring *ring); void intel_ring_unpin(struct intel_ring *ring); void intel_ring_free(struct intel_ring *ring); @@ -511,7 +514,7 @@ intel_ring_advance(struct drm_i915_gem_request *req, u32 *cs) * reserved for the command packet (i.e. the value passed to * intel_ring_begin()). */ - GEM_BUG_ON((req->ring->vaddr + req->ring->tail) != cs); + GEM_BUG_ON((req->ring->vaddr + req->ring->emit) != cs); } static inline u32 @@ -540,7 +543,19 @@ assert_ring_tail_valid(const struct intel_ring *ring, unsigned int tail) GEM_BUG_ON(tail >= ring->size); } -void intel_ring_update_space(struct intel_ring *ring); +static inline unsigned int +intel_ring_set_tail(struct intel_ring *ring, unsigned int tail) +{ + /* Whilst writes to the tail are strictly order, there is no + * serialisation between readers and the writers. The tail may be + * read by i915_gem_request_retire() just as it is being updated + * by execlists, as although the breadcrumb is complete, the context + * switch hasn't been seen. + */ + assert_ring_tail_valid(ring, tail); + ring->tail = tail; + return tail; +} void intel_engine_init_global_seqno(struct intel_engine_cs *engine, u32 seqno); diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 39468c218027..7459ef9943ec 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -60,15 +60,13 @@ bool nouveau_is_v1_dsm(void) { } #ifdef CONFIG_VGA_SWITCHEROO -static const char nouveau_dsm_muid[] = { - 0xA0, 0xA0, 0x95, 0x9D, 0x60, 0x00, 0x48, 0x4D, - 0xB3, 0x4D, 0x7E, 0x5F, 0xEA, 0x12, 0x9F, 0xD4, -}; +static const guid_t nouveau_dsm_muid = + GUID_INIT(0x9D95A0A0, 0x0060, 0x4D48, + 0xB3, 0x4D, 0x7E, 0x5F, 0xEA, 0x12, 0x9F, 0xD4); -static const char nouveau_op_dsm_muid[] = { - 0xF8, 0xD8, 0x86, 0xA4, 0xDA, 0x0B, 0x1B, 0x47, - 0xA7, 0x2B, 0x60, 0x42, 0xA6, 0xB5, 0xBE, 0xE0, -}; +static const guid_t nouveau_op_dsm_muid = + GUID_INIT(0xA486D8F8, 0x0BDA, 0x471B, + 0xA7, 0x2B, 0x60, 0x42, 0xA6, 0xB5, 0xBE, 0xE0); static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *result) { @@ -86,7 +84,7 @@ static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t * args_buff[i] = (arg >> i * 8) & 0xFF; *result = 0; - obj = acpi_evaluate_dsm_typed(handle, nouveau_op_dsm_muid, 0x00000100, + obj = acpi_evaluate_dsm_typed(handle, &nouveau_op_dsm_muid, 0x00000100, func, &argv4, ACPI_TYPE_BUFFER); if (!obj) { acpi_handle_info(handle, "failed to evaluate _DSM\n"); @@ -138,7 +136,7 @@ static int nouveau_dsm(acpi_handle handle, int func, int arg) .integer.value = arg, }; - obj = acpi_evaluate_dsm_typed(handle, nouveau_dsm_muid, 0x00000102, + obj = acpi_evaluate_dsm_typed(handle, &nouveau_dsm_muid, 0x00000102, func, &argv4, ACPI_TYPE_INTEGER); if (!obj) { acpi_handle_info(handle, "failed to evaluate _DSM\n"); @@ -259,7 +257,7 @@ static void nouveau_dsm_pci_probe(struct pci_dev *pdev, acpi_handle *dhandle_out if (!acpi_has_method(dhandle, "_DSM")) return; - supports_mux = acpi_check_dsm(dhandle, nouveau_dsm_muid, 0x00000102, + supports_mux = acpi_check_dsm(dhandle, &nouveau_dsm_muid, 0x00000102, 1 << NOUVEAU_DSM_POWER); optimus_funcs = nouveau_dsm_get_optimus_functions(dhandle); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c index e3e2f5e83815..f44682d62f75 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/base.c @@ -81,10 +81,9 @@ mxm_shadow_dsm(struct nvkm_mxm *mxm, u8 version) { struct nvkm_subdev *subdev = &mxm->subdev; struct nvkm_device *device = subdev->device; - static char muid[] = { - 0x00, 0xA4, 0x04, 0x40, 0x7D, 0x91, 0xF2, 0x4C, - 0xB8, 0x9C, 0x79, 0xB6, 0x2F, 0xD5, 0x56, 0x65 - }; + static guid_t muid = + GUID_INIT(0x4004A400, 0x917D, 0x4CF2, + 0xB8, 0x9C, 0x79, 0xB6, 0x2F, 0xD5, 0x56, 0x65); u32 mxms_args[] = { 0x00000000 }; union acpi_object argv4 = { .buffer.type = ACPI_TYPE_BUFFER, @@ -105,7 +104,7 @@ mxm_shadow_dsm(struct nvkm_mxm *mxm, u8 version) * unless you pass in exactly the version it supports.. */ rev = (version & 0xf0) << 4 | (version & 0x0f); - obj = acpi_evaluate_dsm(handle, muid, rev, 0x00000010, &argv4); + obj = acpi_evaluate_dsm(handle, &muid, rev, 0x00000010, &argv4); if (!obj) { nvkm_debug(subdev, "DSM MXMS failed\n"); return false; diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 432480ff9d22..3178ba0c537c 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -3393,6 +3393,13 @@ void radeon_combios_asic_init(struct drm_device *dev) rdev->pdev->subsystem_vendor == 0x103c && rdev->pdev->subsystem_device == 0x280a) return; + /* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume + * - it hangs on resume inside the dynclk 1 table. + */ + if (rdev->family == CHIP_RS400 && + rdev->pdev->subsystem_vendor == 0x1179 && + rdev->pdev->subsystem_device == 0xff31) + return; /* DYN CLK 1 */ table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE); diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 6ecf42783d4b..0a6444d72000 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -136,6 +136,10 @@ static struct radeon_px_quirk radeon_px_quirk_list[] = { * https://bugzilla.kernel.org/show_bug.cgi?id=51381 */ { PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX }, + /* Asus K53TK laptop with AMD A6-3420M APU and Radeon 7670m GPU + * https://bugs.freedesktop.org/show_bug.cgi?id=101491 + */ + { PCI_VENDOR_ID_ATI, 0x6741, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX }, /* macbook pro 8.2 */ { PCI_VENDOR_ID_ATI, 0x6741, PCI_VENDOR_ID_APPLE, 0x00e2, RADEON_PX_QUIRK_LONG_WAKEUP }, { 0, 0, 0, 0, 0 }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 8ca1e8ce0af2..4f9a3938189a 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -319,6 +319,9 @@ #define USB_VENDOR_ID_DELCOM 0x0fc5 #define USB_DEVICE_ID_DELCOM_VISUAL_IND 0xb080 +#define USB_VENDOR_ID_DELL 0x413c +#define USB_DEVICE_ID_DELL_PIXART_USB_OPTICAL_MOUSE 0x301a + #define USB_VENDOR_ID_DELORME 0x1163 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100 #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200 diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index 1d6c997b3001..20b40ad26325 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -349,7 +349,6 @@ static int magicmouse_raw_event(struct hid_device *hdev, if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) { magicmouse_emit_buttons(msc, clicks & 3); - input_mt_report_pointer_emulation(input, true); input_report_rel(input, REL_X, x); input_report_rel(input, REL_Y, y); } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */ @@ -389,16 +388,16 @@ static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hd __clear_bit(BTN_RIGHT, input->keybit); __clear_bit(BTN_MIDDLE, input->keybit); __set_bit(BTN_MOUSE, input->keybit); + __set_bit(BTN_TOOL_FINGER, input->keybit); + __set_bit(BTN_TOOL_DOUBLETAP, input->keybit); + __set_bit(BTN_TOOL_TRIPLETAP, input->keybit); + __set_bit(BTN_TOOL_QUADTAP, input->keybit); + __set_bit(BTN_TOOL_QUINTTAP, input->keybit); + __set_bit(BTN_TOUCH, input->keybit); + __set_bit(INPUT_PROP_POINTER, input->propbit); __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); } - __set_bit(BTN_TOOL_FINGER, input->keybit); - __set_bit(BTN_TOOL_DOUBLETAP, input->keybit); - __set_bit(BTN_TOOL_TRIPLETAP, input->keybit); - __set_bit(BTN_TOOL_QUADTAP, input->keybit); - __set_bit(BTN_TOOL_QUINTTAP, input->keybit); - __set_bit(BTN_TOUCH, input->keybit); - __set_bit(INPUT_PROP_POINTER, input->propbit); __set_bit(EV_ABS, input->evbit); diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index fb55fb4c39fc..04015032a35a 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -872,10 +872,9 @@ static int i2c_hid_fetch_hid_descriptor(struct i2c_hid *ihid) static int i2c_hid_acpi_pdata(struct i2c_client *client, struct i2c_hid_platform_data *pdata) { - static u8 i2c_hid_guid[] = { - 0xF7, 0xF6, 0xDF, 0x3C, 0x67, 0x42, 0x55, 0x45, - 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE, - }; + static guid_t i2c_hid_guid = + GUID_INIT(0x3CDFF6F7, 0x4267, 0x4555, + 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE); union acpi_object *obj; struct acpi_device *adev; acpi_handle handle; @@ -884,7 +883,7 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client, if (!handle || acpi_bus_get_device(handle, &adev)) return -ENODEV; - obj = acpi_evaluate_dsm_typed(handle, i2c_hid_guid, 1, 1, NULL, + obj = acpi_evaluate_dsm_typed(handle, &i2c_hid_guid, 1, 1, NULL, ACPI_TYPE_INTEGER); if (!obj) { dev_err(&client->dev, "device _DSM execution failed\n"); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 6316498b7812..a88e7c7bea0a 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -85,6 +85,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3, HID_QUIRK_MULTI_INPUT }, diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 95ed17183e73..54a47b40546f 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -734,9 +734,9 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx, * the first read operation, otherwise the first read cost * one extra clock cycle. */ - temp = readb(i2c_imx->base + IMX_I2C_I2CR); + temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR); temp |= I2CR_MTX; - writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR); } msgs->buf[msgs->len-1] = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR); @@ -857,9 +857,9 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo * the first read operation, otherwise the first read cost * one extra clock cycle. */ - temp = readb(i2c_imx->base + IMX_I2C_I2CR); + temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR); temp |= I2CR_MTX; - writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR); } } else if (i == (msgs->len - 2)) { dev_dbg(&i2c_imx->adapter.dev, diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 216d7ec88c0c..c2ae819a871c 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -51,6 +51,8 @@ /* un-comment DEBUG to enable pr_debug() statements */ #define DEBUG +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/cpuidle.h> #include <linux/tick.h> @@ -65,7 +67,6 @@ #include <asm/msr.h> #define INTEL_IDLE_VERSION "0.4.1" -#define PREFIX "intel_idle: " static struct cpuidle_driver intel_idle_driver = { .name = "intel_idle", @@ -1111,7 +1112,7 @@ static int __init intel_idle_probe(void) const struct x86_cpu_id *id; if (max_cstate == 0) { - pr_debug(PREFIX "disabled\n"); + pr_debug("disabled\n"); return -EPERM; } @@ -1119,8 +1120,8 @@ static int __init intel_idle_probe(void) if (!id) { if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL && boot_cpu_data.x86 == 6) - pr_debug(PREFIX "does not run on family %d model %d\n", - boot_cpu_data.x86, boot_cpu_data.x86_model); + pr_debug("does not run on family %d model %d\n", + boot_cpu_data.x86, boot_cpu_data.x86_model); return -ENODEV; } @@ -1134,13 +1135,13 @@ static int __init intel_idle_probe(void) !mwait_substates) return -ENODEV; - pr_debug(PREFIX "MWAIT substates: 0x%x\n", mwait_substates); + pr_debug("MWAIT substates: 0x%x\n", mwait_substates); icpu = (const struct idle_cpu *)id->driver_data; cpuidle_state_table = icpu->state_table; - pr_debug(PREFIX "v" INTEL_IDLE_VERSION - " model 0x%X\n", boot_cpu_data.x86_model); + pr_debug("v" INTEL_IDLE_VERSION " model 0x%X\n", + boot_cpu_data.x86_model); return 0; } @@ -1340,8 +1341,7 @@ static void __init intel_idle_cpuidle_driver_init(void) break; if (cstate + 1 > max_cstate) { - printk(PREFIX "max_cstate %d reached\n", - max_cstate); + pr_info("max_cstate %d reached\n", max_cstate); break; } @@ -1358,8 +1358,8 @@ static void __init intel_idle_cpuidle_driver_init(void) /* if state marked as disabled, skip it */ if (cpuidle_state_table[cstate].disabled != 0) { - pr_debug(PREFIX "state %s is disabled", - cpuidle_state_table[cstate].name); + pr_debug("state %s is disabled\n", + cpuidle_state_table[cstate].name); continue; } @@ -1395,7 +1395,7 @@ static int intel_idle_cpu_init(unsigned int cpu) dev->cpu = cpu; if (cpuidle_register_device(dev)) { - pr_debug(PREFIX "cpuidle_register_device %d failed!\n", cpu); + pr_debug("cpuidle_register_device %d failed!\n", cpu); return -EIO; } @@ -1447,8 +1447,8 @@ static int __init intel_idle_init(void) retval = cpuidle_register_driver(&intel_idle_driver); if (retval) { struct cpuidle_driver *drv = cpuidle_get_driver(); - printk(KERN_DEBUG PREFIX "intel_idle yielding to %s", - drv ? drv->name : "none"); + printk(KERN_DEBUG pr_fmt("intel_idle yielding to %s\n"), + drv ? drv->name : "none"); goto init_driver_fail; } @@ -1460,8 +1460,8 @@ static int __init intel_idle_init(void) if (retval < 0) goto hp_setup_fail; - pr_debug(PREFIX "lapic_timer_reliable_states 0x%x\n", - lapic_timer_reliable_states); + pr_debug("lapic_timer_reliable_states 0x%x\n", + lapic_timer_reliable_states); return 0; diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index e37d37273182..f600f3a7a3c6 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -248,7 +248,8 @@ static struct soc_button_info *soc_button_get_button_info(struct device *dev) if (!btns_desc) { dev_err(dev, "ACPI Button Descriptors not found\n"); - return ERR_PTR(-ENODEV); + button_info = ERR_PTR(-ENODEV); + goto out; } /* The first package describes the collection */ @@ -264,24 +265,31 @@ static struct soc_button_info *soc_button_get_button_info(struct device *dev) } if (collection_uid == -1) { dev_err(dev, "Invalid Button Collection Descriptor\n"); - return ERR_PTR(-ENODEV); + button_info = ERR_PTR(-ENODEV); + goto out; } /* There are package.count - 1 buttons + 1 terminating empty entry */ button_info = devm_kcalloc(dev, btns_desc->package.count, sizeof(*button_info), GFP_KERNEL); - if (!button_info) - return ERR_PTR(-ENOMEM); + if (!button_info) { + button_info = ERR_PTR(-ENOMEM); + goto out; + } /* Parse the button descriptors */ for (i = 1, btn = 0; i < btns_desc->package.count; i++, btn++) { if (soc_button_parse_btn_desc(dev, &btns_desc->package.elements[i], collection_uid, - &button_info[btn])) - return ERR_PTR(-ENODEV); + &button_info[btn])) { + button_info = ERR_PTR(-ENODEV); + goto out; + } } +out: + kfree(buf.pointer); return button_info; } diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c index dea63e2db3e6..f5206e2c767e 100644 --- a/drivers/input/rmi4/rmi_f54.c +++ b/drivers/input/rmi4/rmi_f54.c @@ -31,9 +31,6 @@ #define F54_GET_REPORT 1 #define F54_FORCE_CAL 2 -/* Fixed sizes of reports */ -#define F54_QUERY_LEN 27 - /* F54 capabilities */ #define F54_CAP_BASELINE (1 << 2) #define F54_CAP_IMAGE8 (1 << 3) @@ -95,7 +92,6 @@ struct rmi_f54_reports { struct f54_data { struct rmi_function *fn; - u8 qry[F54_QUERY_LEN]; u8 num_rx_electrodes; u8 num_tx_electrodes; u8 capabilities; @@ -632,22 +628,23 @@ static int rmi_f54_detect(struct rmi_function *fn) { int error; struct f54_data *f54; + u8 buf[6]; f54 = dev_get_drvdata(&fn->dev); error = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr, - &f54->qry, sizeof(f54->qry)); + buf, sizeof(buf)); if (error) { dev_err(&fn->dev, "%s: Failed to query F54 properties\n", __func__); return error; } - f54->num_rx_electrodes = f54->qry[0]; - f54->num_tx_electrodes = f54->qry[1]; - f54->capabilities = f54->qry[2]; - f54->clock_rate = f54->qry[3] | (f54->qry[4] << 8); - f54->family = f54->qry[5]; + f54->num_rx_electrodes = buf[0]; + f54->num_tx_electrodes = buf[1]; + f54->capabilities = buf[2]; + f54->clock_rate = buf[3] | (buf[4] << 8); + f54->family = buf[5]; rmi_dbg(RMI_DEBUG_FN, &fn->dev, "F54 num_rx_electrodes: %d\n", f54->num_rx_electrodes); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 09720d950686..f932a83b4990 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -723,6 +723,13 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"), }, }, + { + /* Fujitsu UH554 laptop */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"), + }, + }, { } }; diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index cbf7763d8091..c8b0329c85d2 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1808,10 +1808,9 @@ IOMMU_INIT_POST(detect_intel_iommu); * for Directed-IO Architecture Specifiction, Rev 2.2, Section 8.8 * "Remapping Hardware Unit Hot Plug". */ -static u8 dmar_hp_uuid[] = { - /* 0000 */ 0xA6, 0xA3, 0xC1, 0xD8, 0x9B, 0xBE, 0x9B, 0x4C, - /* 0008 */ 0x91, 0xBF, 0xC3, 0xCB, 0x81, 0xFC, 0x5D, 0xAF -}; +static guid_t dmar_hp_guid = + GUID_INIT(0xD8C1A3A6, 0xBE9B, 0x4C9B, + 0x91, 0xBF, 0xC3, 0xCB, 0x81, 0xFC, 0x5D, 0xAF); /* * Currently there's only one revision and BIOS will not check the revision id, @@ -1824,7 +1823,7 @@ static u8 dmar_hp_uuid[] = { static inline bool dmar_detect_dsm(acpi_handle handle, int func) { - return acpi_check_dsm(handle, dmar_hp_uuid, DMAR_DSM_REV_ID, 1 << func); + return acpi_check_dsm(handle, &dmar_hp_guid, DMAR_DSM_REV_ID, 1 << func); } static int dmar_walk_dsm_resource(acpi_handle handle, int func, @@ -1843,7 +1842,7 @@ static int dmar_walk_dsm_resource(acpi_handle handle, int func, if (!dmar_detect_dsm(handle, func)) return 0; - obj = acpi_evaluate_dsm_typed(handle, dmar_hp_uuid, DMAR_DSM_REV_ID, + obj = acpi_evaluate_dsm_typed(handle, &dmar_hp_guid, DMAR_DSM_REV_ID, func, NULL, ACPI_TYPE_BUFFER); if (!obj) return -ENODEV; diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index eb7fbe159963..929f8558bf1c 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -140,7 +140,7 @@ static inline void gic_map_to_vpe(unsigned int intr, unsigned int vpe) } #ifdef CONFIG_CLKSRC_MIPS_GIC -u64 gic_read_count(void) +u64 notrace gic_read_count(void) { unsigned int hi, hi2, lo; @@ -167,7 +167,7 @@ unsigned int gic_get_count_width(void) return bits; } -void gic_write_compare(u64 cnt) +void notrace gic_write_compare(u64 cnt) { if (mips_cm_is64) { gic_write(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE), cnt); @@ -179,7 +179,7 @@ void gic_write_compare(u64 cnt) } } -void gic_write_cpu_compare(u64 cnt, int cpu) +void notrace gic_write_cpu_compare(u64 cnt, int cpu) { unsigned long flags; diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 7910bfe50da4..93b181088168 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -1105,10 +1105,13 @@ static void schedule_autocommit(struct dm_integrity_c *ic) static void submit_flush_bio(struct dm_integrity_c *ic, struct dm_integrity_io *dio) { struct bio *bio; - spin_lock_irq(&ic->endio_wait.lock); + unsigned long flags; + + spin_lock_irqsave(&ic->endio_wait.lock, flags); bio = dm_bio_from_per_bio_data(dio, sizeof(struct dm_integrity_io)); bio_list_add(&ic->flush_bio_list, bio); - spin_unlock_irq(&ic->endio_wait.lock); + spin_unlock_irqrestore(&ic->endio_wait.lock, flags); + queue_work(ic->commit_wq, &ic->commit_work); } @@ -3040,6 +3043,11 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv) ti->error = "The device is too small"; goto bad; } + if (ti->len > ic->provided_data_sectors) { + r = -EINVAL; + ti->error = "Not enough provided sectors for requested mapping size"; + goto bad; + } if (!buffer_sectors) buffer_sectors = 1; diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 3702e502466d..8d5ca30f6551 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -317,8 +317,8 @@ static void do_region(int op, int op_flags, unsigned region, else if (op == REQ_OP_WRITE_SAME) special_cmd_max_sectors = q->limits.max_write_same_sectors; if ((op == REQ_OP_DISCARD || op == REQ_OP_WRITE_ZEROES || - op == REQ_OP_WRITE_SAME) && - special_cmd_max_sectors == 0) { + op == REQ_OP_WRITE_SAME) && special_cmd_max_sectors == 0) { + atomic_inc(&io->count); dec_count(io, region, -EOPNOTSUPP); return; } diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index e61c45047c25..4da8858856fb 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -145,6 +145,7 @@ static void dispatch_bios(void *context, struct bio_list *bio_list) struct dm_raid1_bio_record { struct mirror *m; + /* if details->bi_bdev == NULL, details were not saved */ struct dm_bio_details details; region_t write_region; }; @@ -1198,6 +1199,8 @@ static int mirror_map(struct dm_target *ti, struct bio *bio) struct dm_raid1_bio_record *bio_record = dm_per_bio_data(bio, sizeof(struct dm_raid1_bio_record)); + bio_record->details.bi_bdev = NULL; + if (rw == WRITE) { /* Save region for mirror_end_io() handler */ bio_record->write_region = dm_rh_bio_to_region(ms->rh, bio); @@ -1256,12 +1259,22 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) } if (error == -EOPNOTSUPP) - return error; + goto out; if ((error == -EWOULDBLOCK) && (bio->bi_opf & REQ_RAHEAD)) - return error; + goto out; if (unlikely(error)) { + if (!bio_record->details.bi_bdev) { + /* + * There wasn't enough memory to record necessary + * information for a retry or there was no other + * mirror in-sync. + */ + DMERR_LIMIT("Mirror read failed."); + return -EIO; + } + m = bio_record->m; DMERR("Mirror read failed from %s. Trying alternative device.", @@ -1277,6 +1290,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) bd = &bio_record->details; dm_bio_restore(bd, bio); + bio_record->details.bi_bdev = NULL; bio->bi_error = 0; queue_bio(ms, bio, rw); @@ -1285,6 +1299,9 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) DMERR("All replicated volumes dead, failing I/O"); } +out: + bio_record->details.bi_bdev = NULL; + return error; } diff --git a/drivers/md/md.c b/drivers/md/md.c index 87edc342ccb3..84e76ebac4d4 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -825,7 +825,7 @@ fail: return -EINVAL; } -static int uuid_equal(mdp_super_t *sb1, mdp_super_t *sb2) +static int md_uuid_equal(mdp_super_t *sb1, mdp_super_t *sb2) { return sb1->set_uuid0 == sb2->set_uuid0 && sb1->set_uuid1 == sb2->set_uuid1 && @@ -833,7 +833,7 @@ static int uuid_equal(mdp_super_t *sb1, mdp_super_t *sb2) sb1->set_uuid3 == sb2->set_uuid3; } -static int sb_equal(mdp_super_t *sb1, mdp_super_t *sb2) +static int md_sb_equal(mdp_super_t *sb1, mdp_super_t *sb2) { int ret; mdp_super_t *tmp1, *tmp2; @@ -1025,12 +1025,12 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor } else { __u64 ev1, ev2; mdp_super_t *refsb = page_address(refdev->sb_page); - if (!uuid_equal(refsb, sb)) { + if (!md_uuid_equal(refsb, sb)) { pr_warn("md: %s has different UUID to %s\n", b, bdevname(refdev->bdev,b2)); goto abort; } - if (!sb_equal(refsb, sb)) { + if (!md_sb_equal(refsb, sb)) { pr_warn("md: %s has same UUID but different superblock to %s\n", b, bdevname(refdev->bdev, b2)); goto abort; diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 75488e65cd96..8d46e3ad9529 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -245,8 +245,7 @@ static int arizona_poll_reg(struct arizona *arizona, int ret; ret = regmap_read_poll_timeout(arizona->regmap, - ARIZONA_INTERRUPT_RAW_STATUS_5, val, - ((val & mask) == target), + reg, val, ((val & mask) == target), ARIZONA_REG_POLL_DELAY_US, timeout_ms * 1000); if (ret) diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 92fc3f7c538d..9577beb278e7 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -404,10 +404,9 @@ struct intel_host { bool d3_retune; }; -const u8 intel_dsm_uuid[] = { - 0xA5, 0x3E, 0xC1, 0xF6, 0xCD, 0x65, 0x1F, 0x46, - 0xAB, 0x7A, 0x29, 0xF7, 0xE8, 0xD5, 0xBD, 0x61, -}; +const guid_t intel_dsm_guid = + GUID_INIT(0xF6C13EA5, 0x65CD, 0x461F, + 0xAB, 0x7A, 0x29, 0xF7, 0xE8, 0xD5, 0xBD, 0x61); static int __intel_dsm(struct intel_host *intel_host, struct device *dev, unsigned int fn, u32 *result) @@ -416,7 +415,7 @@ static int __intel_dsm(struct intel_host *intel_host, struct device *dev, int err = 0; size_t len; - obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), intel_dsm_uuid, 0, fn, NULL); + obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &intel_dsm_guid, 0, fn, NULL); if (!obj) return -EOPNOTSUPP; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index ea1bfcf1870a..53309f659951 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -2171,9 +2171,10 @@ static int cxgb_up(struct adapter *adap) { int err; + mutex_lock(&uld_mutex); err = setup_sge_queues(adap); if (err) - goto out; + goto rel_lock; err = setup_rss(adap); if (err) goto freeq; @@ -2197,7 +2198,6 @@ static int cxgb_up(struct adapter *adap) goto irq_err; } - mutex_lock(&uld_mutex); enable_rx(adap); t4_sge_start(adap); t4_intr_enable(adap); @@ -2210,13 +2210,15 @@ static int cxgb_up(struct adapter *adap) #endif /* Initialize hash mac addr list*/ INIT_LIST_HEAD(&adap->mac_hlist); - out: return err; + irq_err: dev_err(adap->pdev_dev, "request_irq failed, err %d\n", err); freeq: t4_free_sge_resources(adap); - goto out; + rel_lock: + mutex_unlock(&uld_mutex); + return err; } static void cxgb_down(struct adapter *adapter) diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 9a520e4f0df9..290ad0563320 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2647,7 +2647,7 @@ static int dpaa_eth_probe(struct platform_device *pdev) priv->buf_layout[TX].priv_data_size = DPAA_TX_PRIV_DATA_SIZE; /* Tx */ /* device used for DMA mapping */ - arch_setup_dma_ops(dev, 0, 0, NULL, false); + set_dma_ops(dev, get_dma_ops(&pdev->dev)); err = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(40)); if (err) { dev_err(dev, "dma_coerce_mask_and_coherent() failed\n"); diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c index 0b31f8502ada..6e67d22fd0d5 100644 --- a/drivers/net/ethernet/freescale/fman/mac.c +++ b/drivers/net/ethernet/freescale/fman/mac.c @@ -623,6 +623,8 @@ static struct platform_device *dpaa_eth_add_device(int fman_id, goto no_mem; } + set_dma_ops(&pdev->dev, get_dma_ops(priv->dev)); + ret = platform_device_add_data(pdev, &data, sizeof(data)); if (ret) goto err; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index e13aa064a8e9..6b15a507999c 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -29,10 +29,9 @@ enum _dsm_rst_type { HNS_ROCE_RESET_FUNC = 0x7, }; -const u8 hns_dsaf_acpi_dsm_uuid[] = { - 0x1A, 0xAA, 0x85, 0x1A, 0x93, 0xE2, 0x5E, 0x41, - 0x8E, 0x28, 0x8D, 0x69, 0x0A, 0x0F, 0x82, 0x0A -}; +const guid_t hns_dsaf_acpi_dsm_guid = + GUID_INIT(0x1A85AA1A, 0xE293, 0x415E, + 0x8E, 0x28, 0x8D, 0x69, 0x0A, 0x0F, 0x82, 0x0A); static void dsaf_write_sub(struct dsaf_device *dsaf_dev, u32 reg, u32 val) { @@ -151,7 +150,7 @@ static void hns_dsaf_acpi_srst_by_port(struct dsaf_device *dsaf_dev, u8 op_type, argv4.package.elements = obj_args; obj = acpi_evaluate_dsm(ACPI_HANDLE(dsaf_dev->dev), - hns_dsaf_acpi_dsm_uuid, 0, op_type, &argv4); + &hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4); if (!obj) { dev_warn(dsaf_dev->dev, "reset port_type%d port%d fail!", port_type, port); @@ -434,7 +433,7 @@ static phy_interface_t hns_mac_get_phy_if_acpi(struct hns_mac_cb *mac_cb) argv4.package.elements = &obj_args, obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev), - hns_dsaf_acpi_dsm_uuid, 0, + &hns_dsaf_acpi_dsm_guid, 0, HNS_OP_GET_PORT_TYPE_FUNC, &argv4); if (!obj || obj->type != ACPI_TYPE_INTEGER) @@ -474,7 +473,7 @@ int hns_mac_get_sfp_prsnt_acpi(struct hns_mac_cb *mac_cb, int *sfp_prsnt) argv4.package.elements = &obj_args, obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev), - hns_dsaf_acpi_dsm_uuid, 0, + &hns_dsaf_acpi_dsm_guid, 0, HNS_OP_GET_SFP_STAT_FUNC, &argv4); if (!obj || obj->type != ACPI_TYPE_INTEGER) @@ -565,7 +564,7 @@ hns_mac_config_sds_loopback_acpi(struct hns_mac_cb *mac_cb, bool en) argv4.package.elements = obj_args; obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dsaf_dev->dev), - hns_dsaf_acpi_dsm_uuid, 0, + &hns_dsaf_acpi_dsm_guid, 0, HNS_OP_SERDES_LP_FUNC, &argv4); if (!obj) { dev_warn(mac_cb->dsaf_dev->dev, "set port%d serdes lp fail!", diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index b8fab149690f..e95795b3c841 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -288,9 +288,15 @@ static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en) /* Force 1000M Link, Default is 0x0200 */ phy_write(phy_dev, 7, 0x20C); - phy_write(phy_dev, HNS_PHY_PAGE_REG, 0); - /* Enable PHY loop-back */ + /* Powerup Fiber */ + phy_write(phy_dev, HNS_PHY_PAGE_REG, 1); + val = phy_read(phy_dev, COPPER_CONTROL_REG); + val &= ~PHY_POWER_DOWN; + phy_write(phy_dev, COPPER_CONTROL_REG, val); + + /* Enable Phy Loopback */ + phy_write(phy_dev, HNS_PHY_PAGE_REG, 0); val = phy_read(phy_dev, COPPER_CONTROL_REG); val |= PHY_LOOP_BACK; val &= ~PHY_POWER_DOWN; @@ -299,6 +305,12 @@ static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en) phy_write(phy_dev, HNS_PHY_PAGE_REG, 0xFA); phy_write(phy_dev, 1, 0x400); phy_write(phy_dev, 7, 0x200); + + phy_write(phy_dev, HNS_PHY_PAGE_REG, 1); + val = phy_read(phy_dev, COPPER_CONTROL_REG); + val |= PHY_POWER_DOWN; + phy_write(phy_dev, COPPER_CONTROL_REG, val); + phy_write(phy_dev, HNS_PHY_PAGE_REG, 0); phy_write(phy_dev, 9, 0xF00); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 8209affa75c3..16486dff1493 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1242,11 +1242,11 @@ static int mlx5e_get_ts_info(struct net_device *dev, SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; - info->tx_types = (BIT(1) << HWTSTAMP_TX_OFF) | - (BIT(1) << HWTSTAMP_TX_ON); + info->tx_types = BIT(HWTSTAMP_TX_OFF) | + BIT(HWTSTAMP_TX_ON); - info->rx_filters = (BIT(1) << HWTSTAMP_FILTER_NONE) | - (BIT(1) << HWTSTAMP_FILTER_ALL); + info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | + BIT(HWTSTAMP_FILTER_ALL); return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 41cd22a223dc..277f4de30375 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -4241,7 +4241,8 @@ struct net_device *mlx5e_create_netdev(struct mlx5_core_dev *mdev, return netdev; err_cleanup_nic: - profile->cleanup(priv); + if (profile->cleanup) + profile->cleanup(priv); free_netdev(netdev); return NULL; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 79462c0368a0..46984a52a94b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -791,6 +791,8 @@ static void mlx5e_build_rep_params(struct mlx5_core_dev *mdev, params->tx_max_inline = mlx5e_get_max_inline_cap(mdev); params->num_tc = 1; params->lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; + + mlx5_query_min_inline(mdev, ¶ms->tx_min_inline_mode); } static void mlx5e_build_rep_netdev(struct net_device *netdev) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index ec63158ab643..9df9fc0d26f5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -895,7 +895,6 @@ static struct mlx5_fields fields[] = { {MLX5_ACTION_IN_FIELD_OUT_SMAC_15_0, 2, offsetof(struct pedit_headers, eth.h_source[4])}, {MLX5_ACTION_IN_FIELD_OUT_ETHERTYPE, 2, offsetof(struct pedit_headers, eth.h_proto)}, - {MLX5_ACTION_IN_FIELD_OUT_IP_DSCP, 1, offsetof(struct pedit_headers, ip4.tos)}, {MLX5_ACTION_IN_FIELD_OUT_IP_TTL, 1, offsetof(struct pedit_headers, ip4.ttl)}, {MLX5_ACTION_IN_FIELD_OUT_SIPV4, 4, offsetof(struct pedit_headers, ip4.saddr)}, {MLX5_ACTION_IN_FIELD_OUT_DIPV4, 4, offsetof(struct pedit_headers, ip4.daddr)}, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index f991f669047e..a53e982a6863 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -906,21 +906,34 @@ static int esw_inline_mode_to_devlink(u8 mlx5_mode, u8 *mode) return 0; } -int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode) +static int mlx5_devlink_eswitch_check(struct devlink *devlink) { - struct mlx5_core_dev *dev; - u16 cur_mlx5_mode, mlx5_mode = 0; + struct mlx5_core_dev *dev = devlink_priv(devlink); - dev = devlink_priv(devlink); + if (MLX5_CAP_GEN(dev, port_type) != MLX5_CAP_PORT_TYPE_ETH) + return -EOPNOTSUPP; if (!MLX5_CAP_GEN(dev, vport_group_manager)) return -EOPNOTSUPP; - cur_mlx5_mode = dev->priv.eswitch->mode; - - if (cur_mlx5_mode == SRIOV_NONE) + if (dev->priv.eswitch->mode == SRIOV_NONE) return -EOPNOTSUPP; + return 0; +} + +int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode) +{ + struct mlx5_core_dev *dev = devlink_priv(devlink); + u16 cur_mlx5_mode, mlx5_mode = 0; + int err; + + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; + + cur_mlx5_mode = dev->priv.eswitch->mode; + if (esw_mode_from_devlink(mode, &mlx5_mode)) return -EINVAL; @@ -937,15 +950,12 @@ int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode) int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode) { - struct mlx5_core_dev *dev; - - dev = devlink_priv(devlink); - - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; + struct mlx5_core_dev *dev = devlink_priv(devlink); + int err; - if (dev->priv.eswitch->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; return esw_mode_to_devlink(dev->priv.eswitch->mode, mode); } @@ -954,15 +964,12 @@ int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode) { struct mlx5_core_dev *dev = devlink_priv(devlink); struct mlx5_eswitch *esw = dev->priv.eswitch; - int num_vports = esw->enabled_vports; int err, vport; u8 mlx5_mode; - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; - - if (esw->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; switch (MLX5_CAP_ETH(dev, wqe_inline_mode)) { case MLX5_CAP_INLINE_MODE_NOT_REQUIRED: @@ -985,7 +992,7 @@ int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode) if (err) goto out; - for (vport = 1; vport < num_vports; vport++) { + for (vport = 1; vport < esw->enabled_vports; vport++) { err = mlx5_modify_nic_vport_min_inline(dev, vport, mlx5_mode); if (err) { esw_warn(dev, "Failed to set min inline on vport %d\n", @@ -1010,12 +1017,11 @@ int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode) { struct mlx5_core_dev *dev = devlink_priv(devlink); struct mlx5_eswitch *esw = dev->priv.eswitch; + int err; - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; - - if (esw->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; return esw_inline_mode_to_devlink(esw->offloads.inline_mode, mode); } @@ -1062,11 +1068,9 @@ int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap) struct mlx5_eswitch *esw = dev->priv.eswitch; int err; - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; - - if (esw->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; if (encap != DEVLINK_ESWITCH_ENCAP_MODE_NONE && (!MLX5_CAP_ESW_FLOWTABLE_FDB(dev, encap) || @@ -1105,12 +1109,11 @@ int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8 *encap) { struct mlx5_core_dev *dev = devlink_priv(devlink); struct mlx5_eswitch *esw = dev->priv.eswitch; + int err; - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; - - if (esw->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; *encap = esw->offloads.encap; return 0; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 4f577a5abf88..13be264587f1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -175,8 +175,9 @@ static struct mlx5_profile profile[] = { }, }; -#define FW_INIT_TIMEOUT_MILI 2000 -#define FW_INIT_WAIT_MS 2 +#define FW_INIT_TIMEOUT_MILI 2000 +#define FW_INIT_WAIT_MS 2 +#define FW_PRE_INIT_TIMEOUT_MILI 10000 static int wait_fw_init(struct mlx5_core_dev *dev, u32 max_wait_mili) { @@ -1013,6 +1014,15 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv, */ dev->state = MLX5_DEVICE_STATE_UP; + /* wait for firmware to accept initialization segments configurations + */ + err = wait_fw_init(dev, FW_PRE_INIT_TIMEOUT_MILI); + if (err) { + dev_err(&dev->pdev->dev, "Firmware over %d MS in pre-initializing state, aborting\n", + FW_PRE_INIT_TIMEOUT_MILI); + goto out; + } + err = mlx5_cmd_init(dev); if (err) { dev_err(&pdev->dev, "Failed initializing command interface, aborting\n"); diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c index b7e4345c990d..019cef1d3cf7 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.c +++ b/drivers/net/ethernet/sfc/ef10_sriov.c @@ -661,8 +661,6 @@ restore_filters: up_write(&vf->efx->filter_sem); mutex_unlock(&vf->efx->mac_lock); - up_write(&vf->efx->filter_sem); - rc2 = efx_net_open(vf->efx->net_dev); if (rc2) goto reset_nic; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index d16d11bfc046..6e4cbc6ce0ef 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2831,7 +2831,6 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) tx_q->tx_skbuff_dma[first_entry].buf = des; tx_q->tx_skbuff_dma[first_entry].len = skb_headlen(skb); - tx_q->tx_skbuff[first_entry] = skb; first->des0 = cpu_to_le32(des); @@ -2865,6 +2864,14 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) tx_q->tx_skbuff_dma[tx_q->cur_tx].last_segment = true; + /* Only the last descriptor gets to point to the skb. */ + tx_q->tx_skbuff[tx_q->cur_tx] = skb; + + /* We've used all descriptors we need for this skb, however, + * advance cur_tx so that it references a fresh descriptor. + * ndo_start_xmit will fill this descriptor the next time it's + * called and stmmac_tx_clean may clean up to this descriptor. + */ tx_q->cur_tx = STMMAC_GET_ENTRY(tx_q->cur_tx, DMA_TX_SIZE); if (unlikely(stmmac_tx_avail(priv, queue) <= (MAX_SKB_FRAGS + 1))) { @@ -2998,8 +3005,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) first = desc; - tx_q->tx_skbuff[first_entry] = skb; - enh_desc = priv->plat->enh_desc; /* To program the descriptors according to the size of the frame */ if (enh_desc) @@ -3047,8 +3052,15 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) skb->len); } - entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE); + /* Only the last descriptor gets to point to the skb. */ + tx_q->tx_skbuff[entry] = skb; + /* We've used all descriptors we need for this skb, however, + * advance cur_tx so that it references a fresh descriptor. + * ndo_start_xmit will fill this descriptor the next time it's + * called and stmmac_tx_clean may clean up to this descriptor. + */ + entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE); tx_q->cur_tx = entry; if (netif_msg_pktdata(priv)) { diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index c7c1e9906500..d231042f19d6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -442,7 +442,7 @@ struct brcmf_fw { const char *nvram_name; u16 domain_nr; u16 bus_nr; - void (*done)(struct device *dev, const struct firmware *fw, + void (*done)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len); }; @@ -477,52 +477,51 @@ static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx) if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) goto fail; - fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length); + fwctx->done(fwctx->dev, 0, fwctx->code, nvram, nvram_length); kfree(fwctx); return; fail: brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); release_firmware(fwctx->code); - device_release_driver(fwctx->dev); + fwctx->done(fwctx->dev, -ENOENT, NULL, NULL, 0); kfree(fwctx); } static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx) { struct brcmf_fw *fwctx = ctx; - int ret; + int ret = 0; brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev)); - if (!fw) + if (!fw) { + ret = -ENOENT; goto fail; - - /* only requested code so done here */ - if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) { - fwctx->done(fwctx->dev, fw, NULL, 0); - kfree(fwctx); - return; } + /* only requested code so done here */ + if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) + goto done; + fwctx->code = fw; ret = request_firmware_nowait(THIS_MODULE, true, fwctx->nvram_name, fwctx->dev, GFP_KERNEL, fwctx, brcmf_fw_request_nvram_done); - if (!ret) - return; - - brcmf_fw_request_nvram_done(NULL, fwctx); + /* pass NULL to nvram callback for bcm47xx fallback */ + if (ret) + brcmf_fw_request_nvram_done(NULL, fwctx); return; fail: brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); - device_release_driver(fwctx->dev); +done: + fwctx->done(fwctx->dev, ret, fw, NULL, 0); kfree(fwctx); } int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len), u16 domain_nr, u16 bus_nr) @@ -555,7 +554,7 @@ int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, int brcmf_fw_get_firmwares(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len)) { diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h index d3c9f0d52ae3..8fa4b7e1ab3d 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h @@ -73,13 +73,13 @@ void brcmf_fw_nvram_free(void *nvram); */ int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len), u16 domain_nr, u16 bus_nr); int brcmf_fw_get_firmwares(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len)); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c index 72373e59308e..f59642b2c935 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c @@ -2145,7 +2145,7 @@ void brcmf_fws_add_interface(struct brcmf_if *ifp) struct brcmf_fws_info *fws = drvr_to_fws(ifp->drvr); struct brcmf_fws_mac_descriptor *entry; - if (!ifp->ndev || fws->fcmode == BRCMF_FWS_FCMODE_NONE) + if (!ifp->ndev || !brcmf_fws_queue_skbs(fws)) return; entry = &fws->desc.iface[ifp->ifidx]; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index f36b96dc6acd..f878706613e6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -1650,16 +1650,23 @@ static const struct brcmf_buscore_ops brcmf_pcie_buscore_ops = { .write32 = brcmf_pcie_buscore_write32, }; -static void brcmf_pcie_setup(struct device *dev, const struct firmware *fw, +static void brcmf_pcie_setup(struct device *dev, int ret, + const struct firmware *fw, void *nvram, u32 nvram_len) { - struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_pciedev *pcie_bus_dev = bus->bus_priv.pcie; - struct brcmf_pciedev_info *devinfo = pcie_bus_dev->devinfo; + struct brcmf_bus *bus; + struct brcmf_pciedev *pcie_bus_dev; + struct brcmf_pciedev_info *devinfo; struct brcmf_commonring **flowrings; - int ret; u32 i; + /* check firmware loading result */ + if (ret) + goto fail; + + bus = dev_get_drvdata(dev); + pcie_bus_dev = bus->bus_priv.pcie; + devinfo = pcie_bus_dev->devinfo; brcmf_pcie_attach(devinfo); /* Some of the firmwares have the size of the memory of the device diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index e03450059b06..5653d6dd38f6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -3982,21 +3982,26 @@ static const struct brcmf_bus_ops brcmf_sdio_bus_ops = { .get_memdump = brcmf_sdio_bus_get_memdump, }; -static void brcmf_sdio_firmware_callback(struct device *dev, +static void brcmf_sdio_firmware_callback(struct device *dev, int err, const struct firmware *code, void *nvram, u32 nvram_len) { - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - int err = 0; + struct brcmf_bus *bus_if; + struct brcmf_sdio_dev *sdiodev; + struct brcmf_sdio *bus; u8 saveclk; - brcmf_dbg(TRACE, "Enter: dev=%s\n", dev_name(dev)); + brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err); + bus_if = dev_get_drvdata(dev); + sdiodev = bus_if->bus_priv.sdio; + if (err) + goto fail; if (!bus_if->drvr) return; + bus = sdiodev->bus; + /* try to download image and nvram to the dongle */ bus->alp_only = true; err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len); @@ -4083,6 +4088,7 @@ release: fail: brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), err); device_release_driver(dev); + device_release_driver(&sdiodev->func[2]->dev); } struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c index e4d545f9edee..0eea48e73331 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c @@ -1159,17 +1159,18 @@ fail: return ret; } -static void brcmf_usb_probe_phase2(struct device *dev, +static void brcmf_usb_probe_phase2(struct device *dev, int ret, const struct firmware *fw, void *nvram, u32 nvlen) { struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_usbdev_info *devinfo; - int ret; + struct brcmf_usbdev_info *devinfo = bus->bus_priv.usb->devinfo; + + if (ret) + goto error; brcmf_dbg(USB, "Start fw downloading\n"); - devinfo = bus->bus_priv.usb->devinfo; ret = check_file(fw->data); if (ret < 0) { brcmf_err("invalid firmware\n"); diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/drivers/ntb/hw/intel/ntb_hw_intel.c index c00238491673..7b3b6fd63d7d 100644 --- a/drivers/ntb/hw/intel/ntb_hw_intel.c +++ b/drivers/ntb/hw/intel/ntb_hw_intel.c @@ -2878,7 +2878,7 @@ static const struct intel_ntb_reg skx_reg = { .link_is_up = xeon_link_is_up, .db_ioread = skx_db_ioread, .db_iowrite = skx_db_iowrite, - .db_size = sizeof(u64), + .db_size = sizeof(u32), .ntb_ctl = SKX_NTBCNTL_OFFSET, .mw_bar = {2, 4}, }; diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 02ca45fdd892..10e5bf460139 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -177,14 +177,12 @@ struct ntb_transport_qp { u64 rx_err_ver; u64 rx_memcpy; u64 rx_async; - u64 dma_rx_prep_err; u64 tx_bytes; u64 tx_pkts; u64 tx_ring_full; u64 tx_err_no_buf; u64 tx_memcpy; u64 tx_async; - u64 dma_tx_prep_err; }; struct ntb_transport_mw { @@ -254,8 +252,6 @@ enum { #define QP_TO_MW(nt, qp) ((qp) % nt->mw_count) #define NTB_QP_DEF_NUM_ENTRIES 100 #define NTB_LINK_DOWN_TIMEOUT 10 -#define DMA_RETRIES 20 -#define DMA_OUT_RESOURCE_TO msecs_to_jiffies(50) static void ntb_transport_rxc_db(unsigned long data); static const struct ntb_ctx_ops ntb_transport_ops; @@ -516,12 +512,6 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, out_offset += snprintf(buf + out_offset, out_count - out_offset, "free tx - \t%u\n", ntb_transport_tx_free_entry(qp)); - out_offset += snprintf(buf + out_offset, out_count - out_offset, - "DMA tx prep err - \t%llu\n", - qp->dma_tx_prep_err); - out_offset += snprintf(buf + out_offset, out_count - out_offset, - "DMA rx prep err - \t%llu\n", - qp->dma_rx_prep_err); out_offset += snprintf(buf + out_offset, out_count - out_offset, "\n"); @@ -623,7 +613,7 @@ static int ntb_transport_setup_qp_mw(struct ntb_transport_ctx *nt, if (!mw->virt_addr) return -ENOMEM; - if (qp_count % mw_count && mw_num + 1 < qp_count / mw_count) + if (mw_num < qp_count % mw_count) num_qps_mw = qp_count / mw_count + 1; else num_qps_mw = qp_count / mw_count; @@ -768,8 +758,6 @@ static void ntb_qp_link_down_reset(struct ntb_transport_qp *qp) qp->tx_err_no_buf = 0; qp->tx_memcpy = 0; qp->tx_async = 0; - qp->dma_tx_prep_err = 0; - qp->dma_rx_prep_err = 0; } static void ntb_qp_link_cleanup(struct ntb_transport_qp *qp) @@ -1000,7 +988,7 @@ static int ntb_transport_init_queue(struct ntb_transport_ctx *nt, qp->event_handler = NULL; ntb_qp_link_down_reset(qp); - if (qp_count % mw_count && mw_num + 1 < qp_count / mw_count) + if (mw_num < qp_count % mw_count) num_qps_mw = qp_count / mw_count + 1; else num_qps_mw = qp_count / mw_count; @@ -1128,8 +1116,8 @@ static int ntb_transport_probe(struct ntb_client *self, struct ntb_dev *ndev) qp_count = ilog2(qp_bitmap); if (max_num_clients && max_num_clients < qp_count) qp_count = max_num_clients; - else if (mw_count < qp_count) - qp_count = mw_count; + else if (nt->mw_count < qp_count) + qp_count = nt->mw_count; qp_bitmap &= BIT_ULL(qp_count) - 1; @@ -1317,7 +1305,6 @@ static int ntb_async_rx_submit(struct ntb_queue_entry *entry, void *offset) struct dmaengine_unmap_data *unmap; dma_cookie_t cookie; void *buf = entry->buf; - int retries = 0; len = entry->len; device = chan->device; @@ -1346,22 +1333,11 @@ static int ntb_async_rx_submit(struct ntb_queue_entry *entry, void *offset) unmap->from_cnt = 1; - for (retries = 0; retries < DMA_RETRIES; retries++) { - txd = device->device_prep_dma_memcpy(chan, - unmap->addr[1], - unmap->addr[0], len, - DMA_PREP_INTERRUPT); - if (txd) - break; - - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(DMA_OUT_RESOURCE_TO); - } - - if (!txd) { - qp->dma_rx_prep_err++; + txd = device->device_prep_dma_memcpy(chan, unmap->addr[1], + unmap->addr[0], len, + DMA_PREP_INTERRUPT); + if (!txd) goto err_get_unmap; - } txd->callback_result = ntb_rx_copy_callback; txd->callback_param = entry; @@ -1606,7 +1582,6 @@ static int ntb_async_tx_submit(struct ntb_transport_qp *qp, struct dmaengine_unmap_data *unmap; dma_addr_t dest; dma_cookie_t cookie; - int retries = 0; device = chan->device; dest = qp->tx_mw_phys + qp->tx_max_frame * entry->tx_index; @@ -1628,21 +1603,10 @@ static int ntb_async_tx_submit(struct ntb_transport_qp *qp, unmap->to_cnt = 1; - for (retries = 0; retries < DMA_RETRIES; retries++) { - txd = device->device_prep_dma_memcpy(chan, dest, - unmap->addr[0], len, - DMA_PREP_INTERRUPT); - if (txd) - break; - - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(DMA_OUT_RESOURCE_TO); - } - - if (!txd) { - qp->dma_tx_prep_err++; + txd = device->device_prep_dma_memcpy(chan, dest, unmap->addr[0], len, + DMA_PREP_INTERRUPT); + if (!txd) goto err_get_unmap; - } txd->callback_result = ntb_tx_copy_callback; txd->callback_param = entry; diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 434e1d474f33..5cab2831ce99 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -90,11 +90,11 @@ MODULE_PARM_DESC(max_mw_size, "Limit size of large memory windows"); static unsigned int seg_order = 19; /* 512K */ module_param(seg_order, uint, 0644); -MODULE_PARM_DESC(seg_order, "size order [n^2] of buffer segment for testing"); +MODULE_PARM_DESC(seg_order, "size order [2^n] of buffer segment for testing"); static unsigned int run_order = 32; /* 4G */ module_param(run_order, uint, 0644); -MODULE_PARM_DESC(run_order, "size order [n^2] of total data to transfer"); +MODULE_PARM_DESC(run_order, "size order [2^n] of total data to transfer"); static bool use_dma; /* default to 0 */ module_param(use_dma, bool, 0644); diff --git a/drivers/nvdimm/btt_devs.c b/drivers/nvdimm/btt_devs.c index ae00dc0d9791..4c989bb9a8a0 100644 --- a/drivers/nvdimm/btt_devs.c +++ b/drivers/nvdimm/btt_devs.c @@ -222,13 +222,6 @@ struct device *nd_btt_create(struct nd_region *nd_region) return dev; } -static bool uuid_is_null(u8 *uuid) -{ - static const u8 null_uuid[16]; - - return (memcmp(uuid, null_uuid, 16) == 0); -} - /** * nd_btt_arena_is_valid - check if the metadata layout is valid * @nd_btt: device with BTT geometry and backing device info @@ -249,7 +242,7 @@ bool nd_btt_arena_is_valid(struct nd_btt *nd_btt, struct btt_sb *super) if (memcmp(super->signature, BTT_SIG, BTT_SIG_LEN) != 0) return false; - if (!uuid_is_null(super->parent_uuid)) + if (!guid_is_null((guid_t *)&super->parent_uuid)) if (memcmp(super->parent_uuid, parent_uuid, 16) != 0) return false; diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 990e6fb32a63..c190d7e36900 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -58,7 +58,7 @@ static struct nvmf_host *nvmf_host_add(const char *hostnqn) kref_init(&host->ref); memcpy(host->nqn, hostnqn, NVMF_NQN_SIZE); - uuid_be_gen(&host->id); + uuid_gen(&host->id); list_add_tail(&host->list, &nvmf_hosts); out_unlock: @@ -75,7 +75,7 @@ static struct nvmf_host *nvmf_host_default(void) return NULL; kref_init(&host->ref); - uuid_be_gen(&host->id); + uuid_gen(&host->id); snprintf(host->nqn, NVMF_NQN_SIZE, "nqn.2014-08.org.nvmexpress:NVMf:uuid:%pUb", &host->id); @@ -395,7 +395,7 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl) if (!data) return -ENOMEM; - memcpy(&data->hostid, &ctrl->opts->host->id, sizeof(uuid_be)); + uuid_copy(&data->hostid, &ctrl->opts->host->id); data->cntlid = cpu_to_le16(0xffff); strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE); strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE); @@ -454,7 +454,7 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid) if (!data) return -ENOMEM; - memcpy(&data->hostid, &ctrl->opts->host->id, sizeof(uuid_be)); + uuid_copy(&data->hostid, &ctrl->opts->host->id); data->cntlid = cpu_to_le16(ctrl->cntlid); strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE); strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE); diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index f5a9c1fb186f..29be7600689d 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -36,7 +36,7 @@ struct nvmf_host { struct kref ref; struct list_head list; char nqn[NVMF_NQN_SIZE]; - uuid_be id; + uuid_t id; }; /** diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 92964cef0f4b..5ee4c71d168d 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -878,8 +878,7 @@ nvme_fc_connect_admin_queue(struct nvme_fc_ctrl *ctrl, assoc_rqst->assoc_cmd.sqsize = cpu_to_be16(qsize); /* Linux supports only Dynamic controllers */ assoc_rqst->assoc_cmd.cntlid = cpu_to_be16(0xffff); - memcpy(&assoc_rqst->assoc_cmd.hostid, &ctrl->ctrl.opts->host->id, - min_t(size_t, FCNVME_ASSOC_HOSTID_LEN, sizeof(uuid_be))); + uuid_copy(&assoc_rqst->assoc_cmd.hostid, &ctrl->ctrl.opts->host->id); strncpy(assoc_rqst->assoc_cmd.hostnqn, ctrl->ctrl.opts->host->nqn, min(FCNVME_ASSOC_HOSTNQN_LEN, NVMF_NQN_SIZE)); strncpy(assoc_rqst->assoc_cmd.subnqn, ctrl->ctrl.opts->subsysnqn, diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index cfc5c7fb0ab7..8ff6e430b30a 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -21,6 +21,7 @@ #include <linux/percpu-refcount.h> #include <linux/list.h> #include <linux/mutex.h> +#include <linux/uuid.h> #include <linux/nvme.h> #include <linux/configfs.h> #include <linux/rcupdate.h> diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 001860361434..47070cff508c 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -21,13 +21,12 @@ #include "pci.h" /* - * The UUID is defined in the PCI Firmware Specification available here: + * The GUID is defined in the PCI Firmware Specification available here: * https://www.pcisig.com/members/downloads/pcifw_r3_1_13Dec10.pdf */ -const u8 pci_acpi_dsm_uuid[] = { - 0xd0, 0x37, 0xc9, 0xe5, 0x53, 0x35, 0x7a, 0x4d, - 0x91, 0x17, 0xea, 0x4d, 0x19, 0xc3, 0x43, 0x4d -}; +const guid_t pci_acpi_dsm_guid = + GUID_INIT(0xe5c937d0, 0x3553, 0x4d7a, + 0x91, 0x17, 0xea, 0x4d, 0x19, 0xc3, 0x43, 0x4d); #if defined(CONFIG_PCI_QUIRKS) && defined(CONFIG_ARM64) static int acpi_get_rc_addr(struct acpi_device *adev, struct resource *res) @@ -680,7 +679,7 @@ void acpi_pci_add_bus(struct pci_bus *bus) if (!pci_is_root_bus(bus)) return; - obj = acpi_evaluate_dsm(ACPI_HANDLE(bus->bridge), pci_acpi_dsm_uuid, 3, + obj = acpi_evaluate_dsm(ACPI_HANDLE(bus->bridge), &pci_acpi_dsm_guid, 3, RESET_DELAY_DSM, NULL); if (!obj) return; @@ -745,7 +744,7 @@ static void pci_acpi_optimize_delay(struct pci_dev *pdev, if (bridge->ignore_reset_delay) pdev->d3cold_delay = 0; - obj = acpi_evaluate_dsm(handle, pci_acpi_dsm_uuid, 3, + obj = acpi_evaluate_dsm(handle, &pci_acpi_dsm_guid, 3, FUNCTION_DELAY_DSM, NULL); if (!obj) return; diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c index 51357377efbc..2d8db3ead6e8 100644 --- a/drivers/pci/pci-label.c +++ b/drivers/pci/pci-label.c @@ -172,7 +172,7 @@ static int dsm_get_label(struct device *dev, char *buf, if (!handle) return -1; - obj = acpi_evaluate_dsm(handle, pci_acpi_dsm_uuid, 0x2, + obj = acpi_evaluate_dsm(handle, &pci_acpi_dsm_guid, 0x2, DEVICE_LABEL_DSM, NULL); if (!obj) return -1; @@ -212,7 +212,7 @@ static bool device_has_dsm(struct device *dev) if (!handle) return false; - return !!acpi_check_dsm(handle, pci_acpi_dsm_uuid, 0x2, + return !!acpi_check_dsm(handle, &pci_acpi_dsm_guid, 0x2, 1 << DEVICE_LABEL_DSM); } diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 1482d132fbb8..e432ec887479 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -495,64 +495,54 @@ static struct irq_chip amd_gpio_irqchip = { .flags = IRQCHIP_SKIP_SET_WAKE, }; -static void amd_gpio_irq_handler(struct irq_desc *desc) +#define PIN_IRQ_PENDING (BIT(INTERRUPT_STS_OFF) | BIT(WAKE_STS_OFF)) + +static irqreturn_t amd_gpio_irq_handler(int irq, void *dev_id) { - u32 i; - u32 off; - u32 reg; - u32 pin_reg; - u64 reg64; - int handled = 0; - unsigned int irq; + struct amd_gpio *gpio_dev = dev_id; + struct gpio_chip *gc = &gpio_dev->gc; + irqreturn_t ret = IRQ_NONE; + unsigned int i, irqnr; unsigned long flags; - struct irq_chip *chip = irq_desc_get_chip(desc); - struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct amd_gpio *gpio_dev = gpiochip_get_data(gc); + u32 *regs, regval; + u64 status, mask; - chained_irq_enter(chip, desc); - /*enable GPIO interrupt again*/ + /* Read the wake status */ raw_spin_lock_irqsave(&gpio_dev->lock, flags); - reg = readl(gpio_dev->base + WAKE_INT_STATUS_REG1); - reg64 = reg; - reg64 = reg64 << 32; - - reg = readl(gpio_dev->base + WAKE_INT_STATUS_REG0); - reg64 |= reg; + status = readl(gpio_dev->base + WAKE_INT_STATUS_REG1); + status <<= 32; + status |= readl(gpio_dev->base + WAKE_INT_STATUS_REG0); raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); - /* - * first 46 bits indicates interrupt status. - * one bit represents four interrupt sources. - */ - for (off = 0; off < 46 ; off++) { - if (reg64 & BIT(off)) { - for (i = 0; i < 4; i++) { - pin_reg = readl(gpio_dev->base + - (off * 4 + i) * 4); - if ((pin_reg & BIT(INTERRUPT_STS_OFF)) || - (pin_reg & BIT(WAKE_STS_OFF))) { - irq = irq_find_mapping(gc->irqdomain, - off * 4 + i); - generic_handle_irq(irq); - writel(pin_reg, - gpio_dev->base - + (off * 4 + i) * 4); - handled++; - } - } + /* Bit 0-45 contain the relevant status bits */ + status &= (1ULL << 46) - 1; + regs = gpio_dev->base; + for (mask = 1, irqnr = 0; status; mask <<= 1, regs += 4, irqnr += 4) { + if (!(status & mask)) + continue; + status &= ~mask; + + /* Each status bit covers four pins */ + for (i = 0; i < 4; i++) { + regval = readl(regs + i); + if (!(regval & PIN_IRQ_PENDING)) + continue; + irq = irq_find_mapping(gc->irqdomain, irqnr + i); + generic_handle_irq(irq); + /* Clear interrupt */ + writel(regval, regs + i); + ret = IRQ_HANDLED; } } - if (handled == 0) - handle_bad_irq(desc); - + /* Signal EOI to the GPIO unit */ raw_spin_lock_irqsave(&gpio_dev->lock, flags); - reg = readl(gpio_dev->base + WAKE_INT_MASTER_REG); - reg |= EOI_MASK; - writel(reg, gpio_dev->base + WAKE_INT_MASTER_REG); + regval = readl(gpio_dev->base + WAKE_INT_MASTER_REG); + regval |= EOI_MASK; + writel(regval, gpio_dev->base + WAKE_INT_MASTER_REG); raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); - chained_irq_exit(chip, desc); + return ret; } static int amd_get_groups_count(struct pinctrl_dev *pctldev) @@ -821,10 +811,11 @@ static int amd_gpio_probe(struct platform_device *pdev) goto out2; } - gpiochip_set_chained_irqchip(&gpio_dev->gc, - &amd_gpio_irqchip, - irq_base, - amd_gpio_irq_handler); + ret = devm_request_irq(&pdev->dev, irq_base, amd_gpio_irq_handler, 0, + KBUILD_MODNAME, gpio_dev); + if (ret) + goto out2; + platform_set_drvdata(pdev, gpio_dev); dev_dbg(&pdev->dev, "amd gpio driver loaded\n"); diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index d3c5f5dfbbd7..222b6685b09f 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -798,7 +798,7 @@ static int stm32_pconf_parse_conf(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_OUTPUT: __stm32_gpio_set(bank, offset, arg); - ret = stm32_pmx_gpio_set_direction(pctldev, NULL, pin, false); + ret = stm32_pmx_gpio_set_direction(pctldev, range, pin, false); break; default: ret = -EINVAL; diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index 8bc7ee1a8ca8..507512cc478b 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -870,7 +870,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, QEDI_ERR(&qedi->dbg_ctx, "Delayed or untracked cleanup response, itt=0x%x, tid=0x%x, cid=0x%x, task=%p\n", protoitt, cqe->itid, qedi_conn->iscsi_conn_id, task); - WARN_ON(1); } } diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 09a294634bc7..879d3b7462f9 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -1499,11 +1499,9 @@ err_idx: void qedi_clear_task_idx(struct qedi_ctx *qedi, int idx) { - if (!test_and_clear_bit(idx, qedi->task_idx_map)) { + if (!test_and_clear_bit(idx, qedi->task_idx_map)) QEDI_ERR(&qedi->dbg_ctx, "FW task context, already cleared, tid=0x%x\n", idx); - WARN_ON(1); - } } void qedi_update_itt_map(struct qedi_ctx *qedi, u32 tid, u32 proto_itt, diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index dc095a292c61..3be980d47268 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -245,7 +245,7 @@ struct sdebug_dev_info { unsigned int channel; unsigned int target; u64 lun; - uuid_be lu_name; + uuid_t lu_name; struct sdebug_host_info *sdbg_host; unsigned long uas_bm[1]; atomic_t num_in_q; @@ -965,7 +965,7 @@ static const u64 naa3_comp_c = 0x3111111000000000ULL; static int inquiry_vpd_83(unsigned char *arr, int port_group_id, int target_dev_id, int dev_id_num, const char *dev_id_str, int dev_id_str_len, - const uuid_be *lu_name) + const uuid_t *lu_name) { int num, port_a; char b[32]; @@ -3568,7 +3568,7 @@ static void sdebug_q_cmd_wq_complete(struct work_struct *work) } static bool got_shared_uuid; -static uuid_be shared_uuid; +static uuid_t shared_uuid; static struct sdebug_dev_info *sdebug_device_create( struct sdebug_host_info *sdbg_host, gfp_t flags) @@ -3578,12 +3578,12 @@ static struct sdebug_dev_info *sdebug_device_create( devip = kzalloc(sizeof(*devip), flags); if (devip) { if (sdebug_uuid_ctl == 1) - uuid_be_gen(&devip->lu_name); + uuid_gen(&devip->lu_name); else if (sdebug_uuid_ctl == 2) { if (got_shared_uuid) devip->lu_name = shared_uuid; else { - uuid_be_gen(&shared_uuid); + uuid_gen(&shared_uuid); got_shared_uuid = true; devip->lu_name = shared_uuid; } diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 0d8f81591bed..3fdca2cdd8da 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1279,6 +1279,18 @@ iscsit_get_immediate_data(struct iscsi_cmd *cmd, struct iscsi_scsi_req *hdr, */ if (dump_payload) goto after_immediate_data; + /* + * Check for underflow case where both EDTL and immediate data payload + * exceeds what is presented by CDB's TRANSFER LENGTH, and what has + * already been set in target_cmd_size_check() as se_cmd->data_length. + * + * For this special case, fail the command and dump the immediate data + * payload. + */ + if (cmd->first_burst_len > cmd->se_cmd.data_length) { + cmd->sense_reason = TCM_INVALID_CDB_FIELD; + goto after_immediate_data; + } immed_ret = iscsit_handle_immediate_data(cmd, hdr, cmd->first_burst_len); @@ -4423,8 +4435,11 @@ static void iscsit_logout_post_handler_closesession( * always sleep waiting for RX/TX thread shutdown to complete * within iscsit_close_connection(). */ - if (!conn->conn_transport->rdma_shutdown) + if (!conn->conn_transport->rdma_shutdown) { sleep = cmpxchg(&conn->tx_thread_active, true, false); + if (!sleep) + return; + } atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); @@ -4440,8 +4455,11 @@ static void iscsit_logout_post_handler_samecid( { int sleep = 1; - if (!conn->conn_transport->rdma_shutdown) + if (!conn->conn_transport->rdma_shutdown) { sleep = cmpxchg(&conn->tx_thread_active, true, false); + if (!sleep) + return; + } atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index 9ab7090f7c83..0912de7c0cf8 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -136,7 +136,7 @@ int init_se_kmem_caches(void); void release_se_kmem_caches(void); u32 scsi_get_new_index(scsi_index_t); void transport_subsystem_check_init(void); -void transport_cmd_finish_abort(struct se_cmd *, int); +int transport_cmd_finish_abort(struct se_cmd *, int); unsigned char *transport_dump_cmd_direction(struct se_cmd *); void transport_dump_dev_state(struct se_device *, char *, int *); void transport_dump_dev_info(struct se_device *, struct se_lun *, diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index dce1e1b47316..13f47bf4d16b 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -75,7 +75,7 @@ void core_tmr_release_req(struct se_tmr_req *tmr) kfree(tmr); } -static void core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) +static int core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) { unsigned long flags; bool remove = true, send_tas; @@ -91,7 +91,7 @@ static void core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) transport_send_task_abort(cmd); } - transport_cmd_finish_abort(cmd, remove); + return transport_cmd_finish_abort(cmd, remove); } static int target_check_cdb_and_preempt(struct list_head *list, @@ -184,8 +184,8 @@ void core_tmr_abort_task( cancel_work_sync(&se_cmd->work); transport_wait_for_tasks(se_cmd); - transport_cmd_finish_abort(se_cmd, true); - target_put_sess_cmd(se_cmd); + if (!transport_cmd_finish_abort(se_cmd, true)) + target_put_sess_cmd(se_cmd); printk("ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for" " ref_tag: %llu\n", ref_tag); @@ -281,8 +281,8 @@ static void core_tmr_drain_tmr_list( cancel_work_sync(&cmd->work); transport_wait_for_tasks(cmd); - transport_cmd_finish_abort(cmd, 1); - target_put_sess_cmd(cmd); + if (!transport_cmd_finish_abort(cmd, 1)) + target_put_sess_cmd(cmd); } } @@ -380,8 +380,8 @@ static void core_tmr_drain_state_list( cancel_work_sync(&cmd->work); transport_wait_for_tasks(cmd); - core_tmr_handle_tas_abort(cmd, tas); - target_put_sess_cmd(cmd); + if (!core_tmr_handle_tas_abort(cmd, tas)) + target_put_sess_cmd(cmd); } } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 6025935036c9..f1b3a46bdcaf 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -651,9 +651,10 @@ static void transport_lun_remove_cmd(struct se_cmd *cmd) percpu_ref_put(&lun->lun_ref); } -void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) +int transport_cmd_finish_abort(struct se_cmd *cmd, int remove) { bool ack_kref = (cmd->se_cmd_flags & SCF_ACK_KREF); + int ret = 0; if (cmd->se_cmd_flags & SCF_SE_LUN_CMD) transport_lun_remove_cmd(cmd); @@ -665,9 +666,11 @@ void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) cmd->se_tfo->aborted_task(cmd); if (transport_cmd_check_stop_to_fabric(cmd)) - return; + return 1; if (remove && ack_kref) - transport_put_cmd(cmd); + ret = transport_put_cmd(cmd); + + return ret; } static void target_complete_failure_work(struct work_struct *work) diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c b/drivers/thermal/int340x_thermal/int3400_thermal.c index 9413c4abf0b9..a9ec94ed7a42 100644 --- a/drivers/thermal/int340x_thermal/int3400_thermal.c +++ b/drivers/thermal/int340x_thermal/int3400_thermal.c @@ -23,7 +23,7 @@ enum int3400_thermal_uuid { INT3400_THERMAL_MAXIMUM_UUID, }; -static u8 *int3400_thermal_uuids[INT3400_THERMAL_MAXIMUM_UUID] = { +static char *int3400_thermal_uuids[INT3400_THERMAL_MAXIMUM_UUID] = { "42A441D6-AE6A-462b-A84B-4A8CE79027D3", "3A95C389-E4B8-4629-A526-C52C88626BAE", "97C68AE7-15FA-499c-B8C9-5DA81D606E0A", @@ -141,10 +141,10 @@ static int int3400_thermal_get_uuids(struct int3400_thermal_priv *priv) } for (j = 0; j < INT3400_THERMAL_MAXIMUM_UUID; j++) { - u8 uuid[16]; + guid_t guid; - acpi_str_to_uuid(int3400_thermal_uuids[j], uuid); - if (!strncmp(uuid, objb->buffer.pointer, 16)) { + guid_parse(int3400_thermal_uuids[j], &guid); + if (guid_equal((guid_t *)objb->buffer.pointer, &guid)) { priv->uuid_bitmap |= (1 << j); break; } diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 84a2cebfc712..fe851544d7fb 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -42,7 +42,7 @@ #define PCI_DEVICE_ID_INTEL_CNPLP 0x9dee #define PCI_DEVICE_ID_INTEL_CNPH 0xa36e -#define PCI_INTEL_BXT_DSM_UUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" +#define PCI_INTEL_BXT_DSM_GUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" #define PCI_INTEL_BXT_FUNC_PMU_PWR 4 #define PCI_INTEL_BXT_STATE_D0 0 #define PCI_INTEL_BXT_STATE_D3 3 @@ -51,14 +51,14 @@ * struct dwc3_pci - Driver private structure * @dwc3: child dwc3 platform_device * @pci: our link to PCI bus - * @uuid: _DSM UUID + * @guid: _DSM GUID * @has_dsm_for_pm: true for devices which need to run _DSM on runtime PM */ struct dwc3_pci { struct platform_device *dwc3; struct pci_dev *pci; - u8 uuid[16]; + guid_t guid; unsigned int has_dsm_for_pm:1; }; @@ -120,7 +120,7 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc) if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || pdev->device == PCI_DEVICE_ID_INTEL_BXT_M) { - acpi_str_to_uuid(PCI_INTEL_BXT_DSM_UUID, dwc->uuid); + guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid); dwc->has_dsm_for_pm = true; } @@ -292,7 +292,7 @@ static int dwc3_pci_dsm(struct dwc3_pci *dwc, int param) tmp.type = ACPI_TYPE_INTEGER; tmp.integer.value = param; - obj = acpi_evaluate_dsm(ACPI_HANDLE(&dwc->pci->dev), dwc->uuid, + obj = acpi_evaluate_dsm(ACPI_HANDLE(&dwc->pci->dev), &dwc->guid, 1, PCI_INTEL_BXT_FUNC_PMU_PWR, &argv4); if (!obj) { dev_err(&dwc->pci->dev, "failed to evaluate _DSM\n"); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 1bcf971141c0..783e6687bf4a 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -216,13 +216,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) #ifdef CONFIG_ACPI static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { - static const u8 intel_dsm_uuid[] = { - 0xb7, 0x0c, 0x34, 0xac, 0x01, 0xe9, 0xbf, 0x45, - 0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23, - }; + static const guid_t intel_dsm_guid = + GUID_INIT(0xac340cb7, 0xe901, 0x45bf, + 0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23); union acpi_object *obj; - obj = acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, + obj = acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), &intel_dsm_guid, 3, 1, NULL); ACPI_FREE(obj); } diff --git a/drivers/usb/misc/ucsi.c b/drivers/usb/misc/ucsi.c index 07397bddefa3..81251aaa20f9 100644 --- a/drivers/usb/misc/ucsi.c +++ b/drivers/usb/misc/ucsi.c @@ -55,13 +55,13 @@ struct ucsi { static int ucsi_acpi_cmd(struct ucsi *ucsi, struct ucsi_control *ctrl) { - uuid_le uuid = UUID_LE(0x6f8398c2, 0x7ca4, 0x11e4, - 0xad, 0x36, 0x63, 0x10, 0x42, 0xb5, 0x00, 0x8f); + guid_t guid = GUID_INIT(0x6f8398c2, 0x7ca4, 0x11e4, + 0xad, 0x36, 0x63, 0x10, 0x42, 0xb5, 0x00, 0x8f); union acpi_object *obj; ucsi->data->ctrl.raw_cmd = ctrl->raw_cmd; - obj = acpi_evaluate_dsm(ACPI_HANDLE(ucsi->dev), uuid.b, 1, 1, NULL); + obj = acpi_evaluate_dsm(ACPI_HANDLE(ucsi->dev), &guid, 1, 1, NULL); if (!obj) { dev_err(ucsi->dev, "%s: failed to evaluate _DSM\n", __func__); return -EIO; diff --git a/drivers/usb/typec/typec_wcove.c b/drivers/usb/typec/typec_wcove.c index d5a7b21fa3f1..c2ce25289027 100644 --- a/drivers/usb/typec/typec_wcove.c +++ b/drivers/usb/typec/typec_wcove.c @@ -105,8 +105,8 @@ enum wcove_typec_role { WCOVE_ROLE_DEVICE, }; -static uuid_le uuid = UUID_LE(0x482383f0, 0x2876, 0x4e49, - 0x86, 0x85, 0xdb, 0x66, 0x21, 0x1a, 0xf0, 0x37); +static guid_t guid = GUID_INIT(0x482383f0, 0x2876, 0x4e49, + 0x86, 0x85, 0xdb, 0x66, 0x21, 0x1a, 0xf0, 0x37); static int wcove_typec_func(struct wcove_typec *wcove, enum wcove_typec_func func, int param) @@ -118,7 +118,7 @@ static int wcove_typec_func(struct wcove_typec *wcove, tmp.type = ACPI_TYPE_INTEGER; tmp.integer.value = param; - obj = acpi_evaluate_dsm(ACPI_HANDLE(wcove->dev), uuid.b, 1, func, + obj = acpi_evaluate_dsm(ACPI_HANDLE(wcove->dev), &guid, 1, func, &argv4); if (!obj) { dev_err(wcove->dev, "%s: failed to evaluate _DSM\n", __func__); @@ -314,7 +314,7 @@ static int wcove_typec_probe(struct platform_device *pdev) if (ret) return ret; - if (!acpi_check_dsm(ACPI_HANDLE(&pdev->dev), uuid.b, 0, 0x1f)) { + if (!acpi_check_dsm(ACPI_HANDLE(&pdev->dev), &guid, 0, 0x1f)) { dev_err(&pdev->dev, "Missing _DSM functions\n"); return -ENODEV; } diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c index 4ac2ca8a7656..bf13d1ec51f3 100644 --- a/drivers/xen/tmem.c +++ b/drivers/xen/tmem.c @@ -233,12 +233,12 @@ static int tmem_cleancache_init_fs(size_t pagesize) return xen_tmem_new_pool(uuid_private, 0, pagesize); } -static int tmem_cleancache_init_shared_fs(char *uuid, size_t pagesize) +static int tmem_cleancache_init_shared_fs(uuid_t *uuid, size_t pagesize) { struct tmem_pool_uuid shared_uuid; - shared_uuid.uuid_lo = *(u64 *)uuid; - shared_uuid.uuid_hi = *(u64 *)(&uuid[8]); + shared_uuid.uuid_lo = *(u64 *)&uuid->b[0]; + shared_uuid.uuid_hi = *(u64 *)&uuid->b[8]; return xen_tmem_new_pool(shared_uuid, TMEM_POOL_SHARED, pagesize); } |