summaryrefslogtreecommitdiff
path: root/drivers/char
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/agp/uninorth-agp.c1
-rw-r--r--drivers/char/bsr.c3
-rw-r--r--drivers/char/ipmi/ipmb_dev_int.c2
-rw-r--r--drivers/char/ipmi/ipmi_devintf.c24
-rw-r--r--drivers/char/ipmi/ipmi_ipmb.c2
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c5
-rw-r--r--drivers/char/ipmi/ipmi_si_platform.c4
-rw-r--r--drivers/char/ipmi/ipmi_ssif.c11
-rw-r--r--drivers/char/ipmi/ipmi_watchdog.c2
-rw-r--r--drivers/char/ipmi/kcs_bmc.c5
-rw-r--r--drivers/char/ipmi/kcs_bmc_aspeed.c1
-rw-r--r--drivers/char/ipmi/ssif_bmc.c2
-rw-r--r--drivers/char/tpm/tpm-chip.c11
-rw-r--r--drivers/char/tpm/tpm-interface.c21
-rw-r--r--drivers/char/tpm/tpm.h4
-rw-r--r--drivers/char/tpm/tpm2-space.c2
-rw-r--r--drivers/char/tpm/tpm_crb.c38
-rw-r--r--drivers/char/tpm/tpm_ftpm_tee.c1
-rw-r--r--drivers/char/tpm/tpm_tis.c1
-rw-r--r--drivers/char/tpm/tpm_tis_spi_main.c2
-rw-r--r--drivers/char/tpm/tpm_tis_synquacer.c1
-rw-r--r--drivers/char/ttyprintk.c5
-rw-r--r--drivers/char/xillybus/Kconfig2
23 files changed, 71 insertions, 79 deletions
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index 62de7f4ba864..84411b13c49f 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -3,6 +3,7 @@
* UniNorth AGPGART routines.
*/
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/init.h>
diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c
index 12143854aeac..70d31aed9011 100644
--- a/drivers/char/bsr.c
+++ b/drivers/char/bsr.c
@@ -6,11 +6,10 @@
* Author: Sonny Rao <sonnyrao@us.ibm.com>
*/
+#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/of_device.h>
-#include <linux/of_platform.h>
#include <linux/fs.h>
#include <linux/module.h>
#include <linux/cdev.h>
diff --git a/drivers/char/ipmi/ipmb_dev_int.c b/drivers/char/ipmi/ipmb_dev_int.c
index a0e9e80d92ee..49100845fcb7 100644
--- a/drivers/char/ipmi/ipmb_dev_int.c
+++ b/drivers/char/ipmi/ipmb_dev_int.c
@@ -366,7 +366,7 @@ static struct i2c_driver ipmb_driver = {
.name = "ipmb-dev",
.acpi_match_table = ACPI_PTR(acpi_ipmb_id),
},
- .probe_new = ipmb_probe,
+ .probe = ipmb_probe,
.remove = ipmb_remove,
.id_table = ipmb_id,
};
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index 73e5a9e28f85..332082e02ea5 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -807,7 +807,9 @@ struct ipmi_reg_list {
static LIST_HEAD(reg_list);
static DEFINE_MUTEX(reg_list_mutex);
-static struct class *ipmi_class;
+static const struct class ipmi_class = {
+ .name = "ipmi",
+};
static void ipmi_new_smi(int if_num, struct device *device)
{
@@ -822,7 +824,7 @@ static void ipmi_new_smi(int if_num, struct device *device)
entry->dev = dev;
mutex_lock(&reg_list_mutex);
- device_create(ipmi_class, device, dev, NULL, "ipmi%d", if_num);
+ device_create(&ipmi_class, device, dev, NULL, "ipmi%d", if_num);
list_add(&entry->link, &reg_list);
mutex_unlock(&reg_list_mutex);
}
@@ -840,7 +842,7 @@ static void ipmi_smi_gone(int if_num)
break;
}
}
- device_destroy(ipmi_class, dev);
+ device_destroy(&ipmi_class, dev);
mutex_unlock(&reg_list_mutex);
}
@@ -860,15 +862,13 @@ static int __init init_ipmi_devintf(void)
pr_info("ipmi device interface\n");
- ipmi_class = class_create("ipmi");
- if (IS_ERR(ipmi_class)) {
- pr_err("ipmi: can't register device class\n");
- return PTR_ERR(ipmi_class);
- }
+ rv = class_register(&ipmi_class);
+ if (rv)
+ return rv;
rv = register_chrdev(ipmi_major, DEVICE_NAME, &ipmi_fops);
if (rv < 0) {
- class_destroy(ipmi_class);
+ class_unregister(&ipmi_class);
pr_err("ipmi: can't get major %d\n", ipmi_major);
return rv;
}
@@ -880,7 +880,7 @@ static int __init init_ipmi_devintf(void)
rv = ipmi_smi_watcher_register(&smi_watcher);
if (rv) {
unregister_chrdev(ipmi_major, DEVICE_NAME);
- class_destroy(ipmi_class);
+ class_unregister(&ipmi_class);
pr_warn("ipmi: can't register smi watcher\n");
return rv;
}
@@ -895,11 +895,11 @@ static void __exit cleanup_ipmi(void)
mutex_lock(&reg_list_mutex);
list_for_each_entry_safe(entry, entry2, &reg_list, link) {
list_del(&entry->link);
- device_destroy(ipmi_class, entry->dev);
+ device_destroy(&ipmi_class, entry->dev);
kfree(entry);
}
mutex_unlock(&reg_list_mutex);
- class_destroy(ipmi_class);
+ class_unregister(&ipmi_class);
ipmi_smi_watcher_unregister(&smi_watcher);
unregister_chrdev(ipmi_major, DEVICE_NAME);
}
diff --git a/drivers/char/ipmi/ipmi_ipmb.c b/drivers/char/ipmi/ipmi_ipmb.c
index 3f1c9f1573e7..4e335832fc26 100644
--- a/drivers/char/ipmi/ipmi_ipmb.c
+++ b/drivers/char/ipmi/ipmi_ipmb.c
@@ -572,7 +572,7 @@ static struct i2c_driver ipmi_ipmb_driver = {
.name = DEVICE_NAME,
.of_match_table = of_ipmi_ipmb_match,
},
- .probe_new = ipmi_ipmb_probe,
+ .probe = ipmi_ipmb_probe,
.remove = ipmi_ipmb_remove,
.id_table = ipmi_ipmb_id,
};
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index abddd7e43a9a..5cd031f3fc97 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2082,6 +2082,11 @@ static int try_smi_init(struct smi_info *new_smi)
new_smi->io.io_cleanup = NULL;
}
+ if (rv && new_smi->si_sm) {
+ kfree(new_smi->si_sm);
+ new_smi->si_sm = NULL;
+ }
+
return rv;
}
diff --git a/drivers/char/ipmi/ipmi_si_platform.c b/drivers/char/ipmi/ipmi_si_platform.c
index 505cc978c97a..c3d8ac7873ba 100644
--- a/drivers/char/ipmi/ipmi_si_platform.c
+++ b/drivers/char/ipmi/ipmi_si_platform.c
@@ -269,7 +269,7 @@ static int of_ipmi_probe(struct platform_device *pdev)
}
memset(&io, 0, sizeof(io));
- io.si_type = (enum si_type) match->data;
+ io.si_type = (unsigned long) match->data;
io.addr_source = SI_DEVICETREE;
io.irq_setup = ipmi_std_irq_setup;
@@ -381,7 +381,7 @@ static int acpi_ipmi_probe(struct platform_device *pdev)
dev_info(dev, "%pR regsize %d spacing %d irq %d\n",
res, io.regsize, io.regspacing, io.irq);
- request_module("acpi_ipmi");
+ request_module_nowait("acpi_ipmi");
return ipmi_si_add_smi(&io);
}
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 3b921c78ba08..df8dd50b4cbe 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -1400,7 +1400,7 @@ static struct ssif_addr_info *ssif_info_find(unsigned short addr,
restart:
list_for_each_entry(info, &ssif_infos, link) {
if (info->binfo.addr == addr) {
- if (info->addr_src == SI_SMBIOS)
+ if (info->addr_src == SI_SMBIOS && !info->adapter_name)
info->adapter_name = kstrdup(adapter_name,
GFP_KERNEL);
@@ -1439,7 +1439,7 @@ static bool check_acpi(struct ssif_info *ssif_info, struct device *dev)
if (acpi_handle) {
ssif_info->addr_source = SI_ACPI;
ssif_info->addr_info.acpi_info.acpi_handle = acpi_handle;
- request_module("acpi_ipmi");
+ request_module_nowait("acpi_ipmi");
return true;
}
#endif
@@ -1600,6 +1600,11 @@ static int ssif_add_infos(struct i2c_client *client)
info->addr_src = SI_ACPI;
info->client = client;
info->adapter_name = kstrdup(client->adapter->name, GFP_KERNEL);
+ if (!info->adapter_name) {
+ kfree(info);
+ return -ENOMEM;
+ }
+
info->binfo.addr = client->addr;
list_add_tail(&info->link, &ssif_infos);
return 0;
@@ -2054,7 +2059,7 @@ static struct i2c_driver ssif_i2c_driver = {
.driver = {
.name = DEVICE_NAME
},
- .probe_new = ssif_probe,
+ .probe = ssif_probe,
.remove = ssif_remove,
.alert = ssif_alert,
.id_table = ssif_id,
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index 0d4a8dcacfd4..9a459257489f 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -802,7 +802,7 @@ static ssize_t ipmi_read(struct file *file,
init_waitqueue_entry(&wait, current);
add_wait_queue(&read_q, &wait);
- while (!data_to_read) {
+ while (!data_to_read && !signal_pending(current)) {
set_current_state(TASK_INTERRUPTIBLE);
spin_unlock_irq(&ipmi_read_lock);
schedule();
diff --git a/drivers/char/ipmi/kcs_bmc.c b/drivers/char/ipmi/kcs_bmc.c
index 03d02a848f3a..8b1161d5194a 100644
--- a/drivers/char/ipmi/kcs_bmc.c
+++ b/drivers/char/ipmi/kcs_bmc.c
@@ -56,12 +56,13 @@ irqreturn_t kcs_bmc_handle_event(struct kcs_bmc_device *kcs_bmc)
{
struct kcs_bmc_client *client;
irqreturn_t rc = IRQ_NONE;
+ unsigned long flags;
- spin_lock(&kcs_bmc->lock);
+ spin_lock_irqsave(&kcs_bmc->lock, flags);
client = kcs_bmc->client;
if (client)
rc = client->ops->event(client);
- spin_unlock(&kcs_bmc->lock);
+ spin_unlock_irqrestore(&kcs_bmc->lock, flags);
return rc;
}
diff --git a/drivers/char/ipmi/kcs_bmc_aspeed.c b/drivers/char/ipmi/kcs_bmc_aspeed.c
index 2dea8cd5a09a..72640da55380 100644
--- a/drivers/char/ipmi/kcs_bmc_aspeed.c
+++ b/drivers/char/ipmi/kcs_bmc_aspeed.c
@@ -14,7 +14,6 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/poll.h>
#include <linux/regmap.h>
diff --git a/drivers/char/ipmi/ssif_bmc.c b/drivers/char/ipmi/ssif_bmc.c
index caee848261e9..56346fb32872 100644
--- a/drivers/char/ipmi/ssif_bmc.c
+++ b/drivers/char/ipmi/ssif_bmc.c
@@ -860,7 +860,7 @@ static struct i2c_driver ssif_bmc_driver = {
.name = DEVICE_NAME,
.of_match_table = ssif_bmc_match,
},
- .probe_new = ssif_bmc_probe,
+ .probe = ssif_bmc_probe,
.remove = ssif_bmc_remove,
.id_table = ssif_bmc_id,
};
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index ea6b4013bc38..23f6f2eda84c 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -28,8 +28,13 @@
DEFINE_IDR(dev_nums_idr);
static DEFINE_MUTEX(idr_lock);
-struct class *tpm_class;
-struct class *tpmrm_class;
+const struct class tpm_class = {
+ .name = "tpm",
+ .shutdown_pre = tpm_class_shutdown,
+};
+const struct class tpmrm_class = {
+ .name = "tmprm",
+};
dev_t tpm_devt;
static int tpm_request_locality(struct tpm_chip *chip)
@@ -336,7 +341,7 @@ struct tpm_chip *tpm_chip_alloc(struct device *pdev,
device_initialize(&chip->dev);
- chip->dev.class = tpm_class;
+ chip->dev.class = &tpm_class;
chip->dev.release = tpm_dev_release;
chip->dev.parent = pdev;
chip->dev.groups = chip->groups;
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 586ca10b0d72..66b16d26eecc 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -476,18 +476,15 @@ static int __init tpm_init(void)
{
int rc;
- tpm_class = class_create("tpm");
- if (IS_ERR(tpm_class)) {
+ rc = class_register(&tpm_class);
+ if (rc) {
pr_err("couldn't create tpm class\n");
- return PTR_ERR(tpm_class);
+ return rc;
}
- tpm_class->shutdown_pre = tpm_class_shutdown;
-
- tpmrm_class = class_create("tpmrm");
- if (IS_ERR(tpmrm_class)) {
+ rc = class_register(&tpmrm_class);
+ if (rc) {
pr_err("couldn't create tpmrm class\n");
- rc = PTR_ERR(tpmrm_class);
goto out_destroy_tpm_class;
}
@@ -508,9 +505,9 @@ static int __init tpm_init(void)
out_unreg_chrdev:
unregister_chrdev_region(tpm_devt, 2 * TPM_NUM_DEVICES);
out_destroy_tpmrm_class:
- class_destroy(tpmrm_class);
+ class_unregister(&tpmrm_class);
out_destroy_tpm_class:
- class_destroy(tpm_class);
+ class_unregister(&tpm_class);
return rc;
}
@@ -518,8 +515,8 @@ out_destroy_tpm_class:
static void __exit tpm_exit(void)
{
idr_destroy(&dev_nums_idr);
- class_destroy(tpm_class);
- class_destroy(tpmrm_class);
+ class_unregister(&tpm_class);
+ class_unregister(&tpmrm_class);
unregister_chrdev_region(tpm_devt, 2*TPM_NUM_DEVICES);
tpm_dev_common_exit();
}
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 460bb85dd142..61445f1dc46d 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -230,8 +230,8 @@ enum tpm2_pt_props {
* compiler warnings about stack frame size. */
#define TPM_MAX_RNG_DATA 128
-extern struct class *tpm_class;
-extern struct class *tpmrm_class;
+extern const struct class tpm_class;
+extern const struct class tpmrm_class;
extern dev_t tpm_devt;
extern const struct file_operations tpm_fops;
extern const struct file_operations tpmrm_fops;
diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c
index ffb35f0154c1..363afdd4d1d3 100644
--- a/drivers/char/tpm/tpm2-space.c
+++ b/drivers/char/tpm/tpm2-space.c
@@ -606,7 +606,7 @@ int tpm_devs_add(struct tpm_chip *chip)
device_initialize(&chip->devs);
chip->devs.parent = chip->dev.parent;
- chip->devs.class = tpmrm_class;
+ chip->devs.class = &tpmrm_class;
/*
* Get extra reference on main device to hold on behalf of devs.
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 9eb1a1859012..ea085b14ab7c 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -463,28 +463,6 @@ static bool crb_req_canceled(struct tpm_chip *chip, u8 status)
return (cancel & CRB_CANCEL_INVOKE) == CRB_CANCEL_INVOKE;
}
-static int crb_check_flags(struct tpm_chip *chip)
-{
- u32 val;
- int ret;
-
- ret = crb_request_locality(chip, 0);
- if (ret)
- return ret;
-
- ret = tpm2_get_tpm_pt(chip, TPM2_PT_MANUFACTURER, &val, NULL);
- if (ret)
- goto release;
-
- if (val == 0x414D4400U /* AMD */)
- chip->flags |= TPM_CHIP_FLAG_HWRNG_DISABLED;
-
-release:
- crb_relinquish_locality(chip, 0);
-
- return ret;
-}
-
static const struct tpm_class_ops tpm_crb = {
.flags = TPM_OPS_AUTO_STARTUP,
.status = crb_status,
@@ -797,12 +775,13 @@ static int crb_acpi_add(struct acpi_device *device)
FW_BUG "TPM2 ACPI table has wrong size %u for start method type %d\n",
buf->header.length,
ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON);
- return -EINVAL;
+ rc = -EINVAL;
+ goto out;
}
crb_pluton = ACPI_ADD_PTR(struct tpm2_crb_pluton, buf, sizeof(*buf));
rc = crb_map_pluton(dev, priv, buf, crb_pluton);
if (rc)
- return rc;
+ goto out;
}
priv->sm = sm;
@@ -826,9 +805,14 @@ static int crb_acpi_add(struct acpi_device *device)
if (rc)
goto out;
- rc = crb_check_flags(chip);
- if (rc)
- goto out;
+#ifdef CONFIG_X86
+ /* A quirk for https://www.amd.com/en/support/kb/faq/pa-410 */
+ if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
+ priv->sm != ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON) {
+ dev_info(dev, "Disabling hwrng\n");
+ chip->flags |= TPM_CHIP_FLAG_HWRNG_DISABLED;
+ }
+#endif /* CONFIG_X86 */
rc = tpm_chip_register(chip);
diff --git a/drivers/char/tpm/tpm_ftpm_tee.c b/drivers/char/tpm/tpm_ftpm_tee.c
index 528f35b14fb6..76adb108076c 100644
--- a/drivers/char/tpm/tpm_ftpm_tee.c
+++ b/drivers/char/tpm/tpm_ftpm_tee.c
@@ -11,7 +11,6 @@
#include <linux/acpi.h>
#include <linux/of.h>
-#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/tee_drv.h>
#include <linux/tpm.h>
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 077fdb73740c..2c52b7905b07 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -25,7 +25,6 @@
#include <linux/acpi.h>
#include <linux/freezer.h>
#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/kernel.h>
#include "tpm.h"
#include "tpm_tis_core.h"
diff --git a/drivers/char/tpm/tpm_tis_spi_main.c b/drivers/char/tpm/tpm_tis_spi_main.c
index a62f5c7f38d3..c5c3197ee29f 100644
--- a/drivers/char/tpm/tpm_tis_spi_main.c
+++ b/drivers/char/tpm/tpm_tis_spi_main.c
@@ -28,7 +28,7 @@
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/spi/spi.h>
#include <linux/tpm.h>
diff --git a/drivers/char/tpm/tpm_tis_synquacer.c b/drivers/char/tpm/tpm_tis_synquacer.c
index f7d5e76b505e..0621ebec530b 100644
--- a/drivers/char/tpm/tpm_tis_synquacer.c
+++ b/drivers/char/tpm/tpm_tis_synquacer.c
@@ -9,7 +9,6 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/kernel.h>
#include "tpm.h"
#include "tpm_tis_core.h"
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index ed45d04905c2..5af804c17a75 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -51,7 +51,7 @@ static void tpk_flush(void)
}
}
-static int tpk_printk(const unsigned char *buf, int count)
+static int tpk_printk(const u8 *buf, int count)
{
int i;
@@ -103,8 +103,7 @@ static void tpk_close(struct tty_struct *tty, struct file *filp)
/*
* TTY operations write function.
*/
-static int tpk_write(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static ssize_t tpk_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct ttyprintk_port *tpkp = tty->driver_data;
unsigned long flags;
diff --git a/drivers/char/xillybus/Kconfig b/drivers/char/xillybus/Kconfig
index a8036dad437e..f51d533390a9 100644
--- a/drivers/char/xillybus/Kconfig
+++ b/drivers/char/xillybus/Kconfig
@@ -29,7 +29,7 @@ config XILLYBUS_PCIE
config XILLYBUS_OF
tristate "Xillybus over Device Tree"
- depends on OF && HAS_DMA
+ depends on OF && HAS_DMA && HAS_IOMEM
help
Set to M if you want Xillybus to find its resources from the
Open Firmware Flattened Device Tree. If the target is an embedded
generated by cgit (git 2.34.1) at 2024-06-30 17:33:52 +0000