diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/eeprom/digsy_mtc_eeprom.c | 29 | ||||
| -rw-r--r-- | drivers/misc/mei/bus.c | 6 | ||||
| -rw-r--r-- | drivers/misc/mei/client.c | 6 | ||||
| -rw-r--r-- | drivers/misc/mei/hw-me-regs.h | 5 | ||||
| -rw-r--r-- | drivers/misc/mei/pci-me.c | 5 | ||||
| -rw-r--r-- | drivers/misc/ocxl/file.c | 35 |
6 files changed, 73 insertions, 13 deletions
diff --git a/drivers/misc/eeprom/digsy_mtc_eeprom.c b/drivers/misc/eeprom/digsy_mtc_eeprom.c index 66d9e1baeae5..fbde2516c04f 100644 --- a/drivers/misc/eeprom/digsy_mtc_eeprom.c +++ b/drivers/misc/eeprom/digsy_mtc_eeprom.c @@ -7,9 +7,18 @@ * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. + * + * FIXME: this driver is used on a device-tree probed platform: it + * should be defined as a bit-banged SPI device and probed from the device + * tree and not like this with static grabbing of a few numbered GPIO + * lines at random. + * + * Add proper SPI and EEPROM in arch/powerpc/boot/dts/digsy_mtc.dts + * and delete this driver. */ #include <linux/gpio.h> +#include <linux/gpio/machine.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/spi/spi.h> @@ -42,9 +51,6 @@ struct eeprom_93xx46_platform_data digsy_mtc_eeprom_data = { }; static struct spi_gpio_platform_data eeprom_spi_gpio_data = { - .sck = GPIO_EEPROM_CLK, - .mosi = GPIO_EEPROM_DI, - .miso = GPIO_EEPROM_DO, .num_chipselect = 1, }; @@ -56,6 +62,21 @@ static struct platform_device digsy_mtc_eeprom = { }, }; +static struct gpiod_lookup_table eeprom_spi_gpiod_table = { + .dev_id = "spi_gpio", + .table = { + GPIO_LOOKUP("gpio@b00", GPIO_EEPROM_CLK, + "sck", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("gpio@b00", GPIO_EEPROM_DI, + "mosi", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("gpio@b00", GPIO_EEPROM_DO, + "miso", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("gpio@b00", GPIO_EEPROM_CS, + "cs", GPIO_ACTIVE_HIGH), + { }, + }, +}; + static struct spi_board_info digsy_mtc_eeprom_info[] __initdata = { { .modalias = "93xx46", @@ -63,7 +84,6 @@ static struct spi_board_info digsy_mtc_eeprom_info[] __initdata = { .bus_num = EE_SPI_BUS_NUM, .chip_select = 0, .mode = SPI_MODE_0, - .controller_data = (void *)GPIO_EEPROM_CS, .platform_data = &digsy_mtc_eeprom_data, }, }; @@ -78,6 +98,7 @@ static int __init digsy_mtc_eeprom_devices_init(void) pr_err("can't request gpio %d\n", GPIO_EEPROM_OE); return ret; } + gpiod_add_lookup_table(&eeprom_spi_gpiod_table); spi_register_board_info(digsy_mtc_eeprom_info, ARRAY_SIZE(digsy_mtc_eeprom_info)); return platform_device_register(&digsy_mtc_eeprom); diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 3e5eabdae8d9..772d02922529 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -548,12 +548,6 @@ int mei_cldev_disable(struct mei_cl_device *cldev) goto out; } - if (bus->dev_state == MEI_DEV_POWER_DOWN) { - dev_dbg(bus->dev, "Device is powering down, don't bother with disconnection\n"); - err = 0; - goto out; - } - err = mei_cl_disconnect(cl); if (err < 0) dev_err(bus->dev, "Could not disconnect from the ME client\n"); diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index be64969d986a..7e60c1817c31 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -945,6 +945,12 @@ int mei_cl_disconnect(struct mei_cl *cl) return 0; } + if (dev->dev_state == MEI_DEV_POWER_DOWN) { + cl_dbg(dev, cl, "Device is powering down, don't bother with disconnection\n"); + mei_cl_set_disconnected(cl); + return 0; + } + rets = pm_runtime_get(dev->dev); if (rets < 0 && rets != -EINPROGRESS) { pm_runtime_put_noidle(dev->dev); diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h index 0ccccbaf530d..e4b10b2d1a08 100644 --- a/drivers/misc/mei/hw-me-regs.h +++ b/drivers/misc/mei/hw-me-regs.h @@ -132,6 +132,11 @@ #define MEI_DEV_ID_KBP 0xA2BA /* Kaby Point */ #define MEI_DEV_ID_KBP_2 0xA2BB /* Kaby Point 2 */ +#define MEI_DEV_ID_CNP_LP 0x9DE0 /* Cannon Point LP */ +#define MEI_DEV_ID_CNP_LP_4 0x9DE4 /* Cannon Point LP 4 (iTouch) */ +#define MEI_DEV_ID_CNP_H 0xA360 /* Cannon Point H */ +#define MEI_DEV_ID_CNP_H_4 0xA364 /* Cannon Point H 4 (iTouch) */ + /* * MEI HW Section */ diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 4a0ccda4d04b..ea4e152270a3 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -98,6 +98,11 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_KBP, MEI_ME_PCH8_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_KBP_2, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_LP, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_LP_4, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_H, MEI_ME_PCH8_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CNP_H_4, MEI_ME_PCH8_CFG)}, + /* required last entry */ {0, } }; diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c index d9aa407db06a..038509e5d031 100644 --- a/drivers/misc/ocxl/file.c +++ b/drivers/misc/ocxl/file.c @@ -102,10 +102,32 @@ static long afu_ioctl_attach(struct ocxl_context *ctx, return rc; } +static long afu_ioctl_get_metadata(struct ocxl_context *ctx, + struct ocxl_ioctl_metadata __user *uarg) +{ + struct ocxl_ioctl_metadata arg; + + memset(&arg, 0, sizeof(arg)); + + arg.version = 0; + + arg.afu_version_major = ctx->afu->config.version_major; + arg.afu_version_minor = ctx->afu->config.version_minor; + arg.pasid = ctx->pasid; + arg.pp_mmio_size = ctx->afu->config.pp_mmio_stride; + arg.global_mmio_size = ctx->afu->config.global_mmio_size; + + if (copy_to_user(uarg, &arg, sizeof(arg))) + return -EFAULT; + + return 0; +} + #define CMD_STR(x) (x == OCXL_IOCTL_ATTACH ? "ATTACH" : \ x == OCXL_IOCTL_IRQ_ALLOC ? "IRQ_ALLOC" : \ x == OCXL_IOCTL_IRQ_FREE ? "IRQ_FREE" : \ x == OCXL_IOCTL_IRQ_SET_FD ? "IRQ_SET_FD" : \ + x == OCXL_IOCTL_GET_METADATA ? "GET_METADATA" : \ "UNKNOWN") static long afu_ioctl(struct file *file, unsigned int cmd, @@ -133,8 +155,10 @@ static long afu_ioctl(struct file *file, unsigned int cmd, if (!rc) { rc = copy_to_user((u64 __user *) args, &irq_offset, sizeof(irq_offset)); - if (rc) + if (rc) { ocxl_afu_irq_free(ctx, irq_offset); + return -EFAULT; + } } break; @@ -157,6 +181,11 @@ static long afu_ioctl(struct file *file, unsigned int cmd, irq_fd.eventfd); break; + case OCXL_IOCTL_GET_METADATA: + rc = afu_ioctl_get_metadata(ctx, + (struct ocxl_ioctl_metadata __user *) args); + break; + default: rc = -EINVAL; } @@ -277,7 +306,7 @@ static ssize_t afu_read(struct file *file, char __user *buf, size_t count, struct ocxl_context *ctx = file->private_data; struct ocxl_kernel_event_header header; ssize_t rc; - size_t used = 0; + ssize_t used = 0; DEFINE_WAIT(event_wait); memset(&header, 0, sizeof(header)); @@ -329,7 +358,7 @@ static ssize_t afu_read(struct file *file, char __user *buf, size_t count, used += sizeof(header); - rc = (ssize_t) used; + rc = used; return rc; } |