diff options
| -rw-r--r-- | Documentation/ABI/stable/sysfs-driver-mlxreg-io | 41 | ||||
| -rw-r--r-- | drivers/acpi/scan.c | 1 | ||||
| -rw-r--r-- | drivers/i2c/i2c-core-acpi.c | 64 | ||||
| -rw-r--r-- | drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c | 16 | ||||
| -rw-r--r-- | drivers/platform/x86/asus-nb-wmi.c | 3 | ||||
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 3 | ||||
| -rw-r--r-- | drivers/platform/x86/dell-laptop.c | 2 | ||||
| -rw-r--r-- | drivers/platform/x86/i2c-multi-instantiate.c | 97 | ||||
| -rw-r--r-- | drivers/platform/x86/ideapad-laptop.c | 7 | ||||
| -rw-r--r-- | drivers/platform/x86/intel_atomisp2_pm.c | 69 | ||||
| -rw-r--r-- | drivers/platform/x86/intel_cht_int33fe.c | 20 | ||||
| -rw-r--r-- | drivers/platform/x86/intel_ips.c | 83 | ||||
| -rw-r--r-- | drivers/platform/x86/intel_pmc_core.c | 180 | ||||
| -rw-r--r-- | drivers/platform/x86/intel_pmc_core.h | 68 | ||||
| -rw-r--r-- | drivers/platform/x86/intel_telemetry_debugfs.c | 42 | ||||
| -rw-r--r-- | drivers/platform/x86/mlx-platform.c | 177 | ||||
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 47 | ||||
| -rw-r--r-- | drivers/platform/x86/touchscreen_dmi.c | 8 | ||||
| -rw-r--r-- | drivers/usb/typec/tps6598x.c | 8 | ||||
| -rw-r--r-- | include/linux/acpi.h | 11 |
20 files changed, 637 insertions, 310 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-mlxreg-io b/Documentation/ABI/stable/sysfs-driver-mlxreg-io index d9d117d457e1..9b642669cb16 100644 --- a/Documentation/ABI/stable/sysfs-driver-mlxreg-io +++ b/Documentation/ABI/stable/sysfs-driver-mlxreg-io @@ -12,7 +12,6 @@ Description: This file shows ASIC health status. The possible values are: What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ cpld1_version cpld2_version - Date: June 2018 KernelVersion: 4.19 Contact: Vadim Pasternak <vadimpmellanox.com> @@ -21,6 +20,28 @@ Description: These files show with which CPLD versions have been burned The files are read only. +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ + cpld3_version + +Date: November 2018 +KernelVersion: 4.21 +Contact: Vadim Pasternak <vadimpmellanox.com> +Description: These files show with which CPLD versions have been burned + on LED board. + + The files are read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ + jtag_enable + +Date: November 2018 +KernelVersion: 4.21 +Contact: Vadim Pasternak <vadimpmellanox.com> +Description: These files enable and disable the access to the JTAG domain. + By default access to the JTAG domain is disabled. + + The file is read/write. + What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/select_iio Date: June 2018 KernelVersion: 4.19 @@ -76,3 +97,21 @@ Description: These files show the system reset cause, as following: power reset cause. The files are read only. + +What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ + reset_comex_pwr_fail + reset_from_comex + reset_system + reset_voltmon_upgrade_fail + +Date: November 2018 +KernelVersion: 4.21 +Contact: Vadim Pasternak <vadimpmellanox.com> +Description: These files show the system reset cause, as following: ComEx + power fail, reset from ComEx, system platform reset, reset + due to voltage monitor devices upgrade failure, + Value 1 in file means this is reset cause, 0 - otherwise. + Only one bit could be 1 at the same time, representing only + the last reset cause. + + The files are read only. diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index bd1c59fb0e17..e9eda5558c1f 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1541,6 +1541,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) static const struct acpi_device_id i2c_multi_instantiate_ids[] = { {"BSG1160", }, {"INT33FE", }, + {"INT3515", }, {} }; diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 32affd3fa8bd..272800692088 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -45,6 +45,33 @@ struct i2c_acpi_lookup { u32 min_speed; }; +/** + * i2c_acpi_get_i2c_resource - Gets I2cSerialBus resource if type matches + * @ares: ACPI resource + * @i2c: Pointer to I2cSerialBus resource will be returned here + * + * Checks if the given ACPI resource is of type I2cSerialBus. + * In this case, returns a pointer to it to the caller. + * + * Returns true if resource type is of I2cSerialBus, otherwise false. + */ +bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, + struct acpi_resource_i2c_serialbus **i2c) +{ + struct acpi_resource_i2c_serialbus *sb; + + if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) + return false; + + sb = &ares->data.i2c_serial_bus; + if (sb->type != ACPI_RESOURCE_SERIAL_TYPE_I2C) + return false; + + *i2c = sb; + return true; +} +EXPORT_SYMBOL_GPL(i2c_acpi_get_i2c_resource); + static int i2c_acpi_fill_info(struct acpi_resource *ares, void *data) { struct i2c_acpi_lookup *lookup = data; @@ -52,11 +79,7 @@ static int i2c_acpi_fill_info(struct acpi_resource *ares, void *data) struct acpi_resource_i2c_serialbus *sb; acpi_status status; - if (info->addr || ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) - return 1; - - sb = &ares->data.i2c_serial_bus; - if (sb->type != ACPI_RESOURCE_SERIAL_TYPE_I2C) + if (info->addr || !i2c_acpi_get_i2c_resource(ares, &sb)) return 1; if (lookup->index != -1 && lookup->n++ != lookup->index) @@ -65,7 +88,7 @@ static int i2c_acpi_fill_info(struct acpi_resource *ares, void *data) status = acpi_get_handle(lookup->device_handle, sb->resource_source.string_ptr, &lookup->adapter_handle); - if (!ACPI_SUCCESS(status)) + if (ACPI_FAILURE(status)) return 1; info->addr = sb->slave_address; @@ -386,20 +409,22 @@ struct notifier_block i2c_acpi_notifier = { * * Also see i2c_new_device, which this function calls to create the i2c-client. * - * Returns a pointer to the new i2c-client, or NULL if the adapter is not found. + * Returns a pointer to the new i2c-client, or error pointer in case of failure. + * Specifically, -EPROBE_DEFER is returned if the adapter is not found. */ struct i2c_client *i2c_acpi_new_device(struct device *dev, int index, struct i2c_board_info *info) { struct i2c_acpi_lookup lookup; struct i2c_adapter *adapter; + struct i2c_client *client; struct acpi_device *adev; LIST_HEAD(resource_list); int ret; adev = ACPI_COMPANION(dev); if (!adev) - return NULL; + return ERR_PTR(-EINVAL); memset(&lookup, 0, sizeof(lookup)); lookup.info = info; @@ -408,16 +433,23 @@ struct i2c_client *i2c_acpi_new_device(struct device *dev, int index, ret = acpi_dev_get_resources(adev, &resource_list, i2c_acpi_fill_info, &lookup); + if (ret < 0) + return ERR_PTR(ret); + acpi_dev_free_resource_list(&resource_list); - if (ret < 0 || !info->addr) - return NULL; + if (!info->addr) + return ERR_PTR(-EADDRNOTAVAIL); adapter = i2c_acpi_find_adapter_by_handle(lookup.adapter_handle); if (!adapter) - return NULL; + return ERR_PTR(-EPROBE_DEFER); + + client = i2c_new_device(adapter, info); + if (!client) + return ERR_PTR(-ENODEV); - return i2c_new_device(adapter, info); + return client; } EXPORT_SYMBOL_GPL(i2c_acpi_new_device); @@ -525,13 +557,7 @@ i2c_acpi_space_handler(u32 function, acpi_physical_address command, goto err; } - if (!value64 || ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) { - ret = AE_BAD_PARAMETER; - goto err; - } - - sb = &ares->data.i2c_serial_bus; - if (sb->type != ACPI_RESOURCE_SERIAL_TYPE_I2C) { + if (!value64 || !i2c_acpi_get_i2c_resource(ares, &sb)) { ret = AE_BAD_PARAMETER; goto err; } diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c index d78a10403bac..a961b5a06fe6 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c @@ -91,18 +91,14 @@ static int asus_acpi_get_sensor_info(struct acpi_device *adev, static int acpi_i2c_check_resource(struct acpi_resource *ares, void *data) { + struct acpi_resource_i2c_serialbus *sb; u32 *addr = data; - if (ares->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { - struct acpi_resource_i2c_serialbus *sb; - - sb = &ares->data.i2c_serial_bus; - if (sb->type == ACPI_RESOURCE_SERIAL_TYPE_I2C) { - if (*addr) - *addr |= (sb->slave_address << 16); - else - *addr = sb->slave_address; - } + if (i2c_acpi_get_i2c_resource(ares, &sb)) { + if (*addr) + *addr |= (sb->slave_address << 16); + else + *addr = sb->slave_address; } /* Tell the ACPI core that we already copied this address */ diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index db2af09067db..b6f2ff95c3ed 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -442,8 +442,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = { { KE_KEY, 0x30, { KEY_VOLUMEUP } }, { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, { KE_KEY, 0x32, { KEY_MUTE } }, - { KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */ - { KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */ + { KE_KEY, 0x35, { KEY_SCREENLOCK } }, { KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, { KE_KEY, 0x41, { KEY_NEXTSONG } }, { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */ diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index c285a16675ee..37b5de541270 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -2131,7 +2131,8 @@ static int asus_wmi_add(struct platform_device *pdev) err = asus_wmi_backlight_init(asus); if (err && err != -ENODEV) goto fail_backlight; - } + } else + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL); status = wmi_install_notify_handler(asus->driver->event_guid, asus_wmi_notify, asus); diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index 06978c14c83b..63121fd22c2e 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -1565,8 +1565,10 @@ static ssize_t kbd_led_timeout_store(struct device *dev, switch (unit) { case KBD_TIMEOUT_DAYS: value *= 24; + /* fall through */ case KBD_TIMEOUT_HOURS: value *= 60; + /* fall through */ case KBD_TIMEOUT_MINUTES: value *= 60; unit = KBD_TIMEOUT_SECONDS; diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index 5456581b473c..3d893e0ac250 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/i2c-multi-instantiate.c @@ -7,15 +7,23 @@ */ #include <linux/acpi.h> +#include <linux/bits.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/types.h> + +#define IRQ_RESOURCE_TYPE GENMASK(1, 0) +#define IRQ_RESOURCE_NONE 0 +#define IRQ_RESOURCE_GPIO 1 +#define IRQ_RESOURCE_APIC 2 struct i2c_inst_data { const char *type; - int gpio_irq_idx; + unsigned int flags; + int irq_idx; }; struct i2c_multi_inst_data { @@ -23,6 +31,31 @@ struct i2c_multi_inst_data { struct i2c_client *clients[0]; }; +static int i2c_multi_inst_count(struct acpi_resource *ares, void *data) +{ + struct acpi_resource_i2c_serialbus *sb; + int *count = data; + + if (i2c_acpi_get_i2c_resource(ares, &sb)) + *count = *count + 1; + + return 1; +} + +static int i2c_multi_inst_count_resources(struct acpi_device *adev) +{ + LIST_HEAD(r); + int count = 0; + int ret; + + ret = acpi_dev_get_resources(adev, &r, i2c_multi_inst_count, &count); + if (ret < 0) + return ret; + + acpi_dev_free_resource_list(&r); + return count; +} + static int i2c_multi_inst_probe(struct platform_device *pdev) { struct i2c_multi_inst_data *multi; @@ -44,40 +77,59 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) adev = ACPI_COMPANION(dev); /* Count number of clients to instantiate */ - for (i = 0; inst_data[i].type; i++) {} + ret = i2c_multi_inst_count_resources(adev); + if (ret < 0) + return ret; multi = devm_kmalloc(dev, - offsetof(struct i2c_multi_inst_data, clients[i]), + offsetof(struct i2c_multi_inst_data, clients[ret]), GFP_KERNEL); if (!multi) return -ENOMEM; - multi->num_clients = i; + multi->num_clients = ret; - for (i = 0; i < multi->num_clients; i++) { + for (i = 0; i < multi->num_clients && inst_data[i].type; i++) { memset(&board_info, 0, sizeof(board_info)); strlcpy(board_info.type, inst_data[i].type, I2C_NAME_SIZE); - snprintf(name, sizeof(name), "%s-%s", match->id, - inst_data[i].type); + snprintf(name, sizeof(name), "%s-%s.%d", match->id, + inst_data[i].type, i); board_info.dev_name = name; - board_info.irq = 0; - if (inst_data[i].gpio_irq_idx != -1) { - ret = acpi_dev_gpio_irq_get(adev, - inst_data[i].gpio_irq_idx); + switch (inst_data[i].flags & IRQ_RESOURCE_TYPE) { + case IRQ_RESOURCE_GPIO: + ret = acpi_dev_gpio_irq_get(adev, inst_data[i].irq_idx); if (ret < 0) { dev_err(dev, "Error requesting irq at index %d: %d\n", - inst_data[i].gpio_irq_idx, ret); + inst_data[i].irq_idx, ret); goto error; } board_info.irq = ret; + break; + case IRQ_RESOURCE_APIC: + ret = platform_get_irq(pdev, inst_data[i].irq_idx); + if (ret < 0) { + dev_dbg(dev, "Error requesting irq at index %d: %d\n", + inst_data[i].irq_idx, ret); + } + board_info.irq = ret; + break; + default: + board_info.irq = 0; + break; } multi->clients[i] = i2c_acpi_new_device(dev, i, &board_info); - if (!multi->clients[i]) { - dev_err(dev, "Error creating i2c-client, idx %d\n", i); - ret = -ENODEV; + if (IS_ERR(multi->clients[i])) { + ret = PTR_ERR(multi->clients[i]); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Error creating i2c-client, idx %d\n", i); goto error; } } + if (i < multi->num_clients) { + dev_err(dev, "Error finding driver, idx %d\n", i); + ret = -ENODEV; + goto error; + } platform_set_drvdata(pdev, multi); return 0; @@ -101,9 +153,17 @@ static int i2c_multi_inst_remove(struct platform_device *pdev) } static const struct i2c_inst_data bsg1160_data[] = { - { "bmc150_accel", 0 }, - { "bmc150_magn", -1 }, - { "bmg160", -1 }, + { "bmc150_accel", IRQ_RESOURCE_GPIO, 0 }, + { "bmc150_magn" }, + { "bmg160" }, + {} +}; + +static const struct i2c_inst_data int3515_data[] = { + { "tps6598x", IRQ_RESOURCE_APIC, 0 }, + { "tps6598x", IRQ_RESOURCE_APIC, 1 }, + { "tps6598x", IRQ_RESOURCE_APIC, 2 }, + { "tps6598x", IRQ_RESOURCE_APIC, 3 }, {} }; @@ -113,6 +173,7 @@ static const struct i2c_inst_data bsg1160_data[] = { */ static const struct acpi_device_id i2c_multi_inst_acpi_ids[] = { { "BSG1160", (unsigned long)bsg1160_data }, + { "INT3515", (unsigned long)int3515_data }, { } }; MODULE_DEVICE_TABLE(acpi, i2c_multi_inst_acpi_ids); diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index b6489cba2985..1589dffab9fa 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -1189,6 +1189,13 @@ static const struct dmi_system_id no_hw_rfkill_list[] = { }, }, { + .ident = "Lenovo Yoga 2 13", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Yoga 2 13"), + }, + }, + { .ident = "Lenovo Yoga 3 1170 / 1470", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), diff --git a/drivers/platform/x86/intel_atomisp2_pm.c b/drivers/platform/x86/intel_atomisp2_pm.c index 9371603a0ac9..b0f421fea2a5 100644 --- a/drivers/platform/x86/intel_atomisp2_pm.c +++ b/drivers/platform/x86/intel_atomisp2_pm.c @@ -33,46 +33,45 @@ #define ISPSSPM0_IUNIT_POWER_ON 0x0 #define ISPSSPM0_IUNIT_POWER_OFF 0x3 -static int isp_probe(struct pci_dev *dev, const struct pci_device_id *id) +static int isp_set_power(struct pci_dev *dev, bool enable) { unsigned long timeout; - u32 val; - - pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, 0); - - /* - * MRFLD IUNIT DPHY is located in an always-power-on island - * MRFLD HW design need all CSI ports are disabled before - * powering down the IUNIT. - */ - pci_read_config_dword(dev, PCI_CSI_CONTROL, &val); - val |= PCI_CSI_CONTROL_PORTS_OFF_MASK; - pci_write_config_dword(dev, PCI_CSI_CONTROL, val); + u32 val = enable ? ISPSSPM0_IUNIT_POWER_ON : + ISPSSPM0_IUNIT_POWER_OFF; - /* Write 0x3 to ISPSSPM0 bit[1:0] to power off the IUNIT */ + /* Write to ISPSSPM0 bit[1:0] to power on/off the IUNIT */ iosf_mbi_modify(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM0, - ISPSSPM0_IUNIT_POWER_OFF, ISPSSPM0_ISPSSC_MASK); + val, ISPSSPM0_ISPSSC_MASK); /* * There should be no IUNIT access while power-down is * in progress HW sighting: 4567865 * Wait up to 50 ms for the IUNIT to shut down. + * And we do the same for power on. */ timeout = jiffies + msecs_to_jiffies(50); while (1) { - /* Wait until ISPSSPM0 bit[25:24] shows 0x3 */ - iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM0, &val); - val = (val & ISPSSPM0_ISPSSS_MASK) >> ISPSSPM0_ISPSSS_OFFSET; - if (val == ISPSSPM0_IUNIT_POWER_OFF) + u32 tmp; + + /* Wait until ISPSSPM0 bit[25:24] shows the right value */ + iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM0, &tmp); + tmp = (tmp & ISPSSPM0_ISPSSS_MASK) >> ISPSSPM0_ISPSSS_OFFSET; + if (tmp == val) break; if (time_after(jiffies, timeout)) { - dev_err(&dev->dev, "IUNIT power-off timeout.\n"); + dev_err(&dev->dev, "IUNIT power-%s timeout.\n", + enable ? "on" : "off"); return -EBUSY; } usleep_range(1000, 2000); } + return 0; +} + +static int isp_probe(struct pci_dev *dev, const struct pci_device_id *id) +{ pm_runtime_allow(&dev->dev); pm_runtime_put_sync_suspend(&dev->dev); @@ -87,11 +86,40 @@ static void isp_remove(struct pci_dev *dev) static int isp_pci_suspend(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); + u32 val; + + pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, 0); + + /* + * MRFLD IUNIT DPHY is located in an always-power-on island + * MRFLD HW design need all CSI ports are disabled before + * powering down the IUNIT. + */ + pci_read_config_dword(pdev, PCI_CSI_CONTROL, &val); + val |= PCI_CSI_CONTROL_PORTS_OFF_MASK; + pci_write_config_dword(pdev, PCI_CSI_CONTROL, val); + + /* + * We lose config space access when punit power gates + * the ISP. Can't use pci_set_power_state() because + * pmcsr won't actually change when we write to it. + */ + pci_save_state(pdev); + pdev->current_state = PCI_D3cold; + isp_set_power(pdev, false); + return 0; } static int isp_pci_resume(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); + + isp_set_power(pdev, true); + pdev->current_state = PCI_D0; + pci_restore_state(pdev); + return 0; } @@ -99,6 +127,7 @@ static UNIVERSAL_DEV_PM_OPS(isp_pm_ops, isp_pci_suspend, isp_pci_resume, NULL); static const struct pci_device_id isp_id_table[] = { + { PCI_VDEVICE(INTEL, 0x0f38), }, { PCI_VDEVICE(INTEL, 0x22b8), }, { 0, } }; diff --git a/drivers/platform/x86/intel_cht_int33fe.c b/drivers/platform/x86/intel_cht_int33fe.c index 464fe93657b5..616b8853a91f 100644 --- a/drivers/platform/x86/intel_cht_int33fe.c +++ b/drivers/platform/x86/intel_cht_int33fe.c @@ -168,8 +168,8 @@ static int cht_int33fe_probe(struct platform_device *pdev) board_info.dev_name = "max17047"; board_info.properties = max17047_props; data->max17047 = i2c_acpi_new_device(dev, 1, &board_info); - if (!data->max17047) - return -EPROBE_DEFER; /* Wait for i2c-adapter to load */ + if (IS_ERR(data->max17047)) + return PTR_ERR(data->max17047); } data->connections[0].endpoint[0] = "port0"; @@ -194,16 +194,20 @@ static int cht_int33fe_probe(struct platform_device *pdev) board_info.irq = fusb302_irq; data->fusb302 = i2c_acpi_new_device(dev, 2, &board_info); - if (!data->fusb302) + if (IS_ERR(data->fusb302)) { + ret = PTR_ERR(data->fusb302); goto out_unregister_max17047; + } memset(&board_info, 0, sizeof(board_info)); board_info.dev_name = "pi3usb30532"; strlcpy(board_info.type, "pi3usb30532", I2C_NAME_SIZE); data->pi3usb30532 = i2c_acpi_new_device(dev, 3, &board_info); - if (!data->pi3usb30532) + if (IS_ERR(data->pi3usb30532)) { + ret = PTR_ERR(data->pi3usb30532); goto out_unregister_fusb302; + } platform_set_drvdata(pdev, data); @@ -213,12 +217,11 @@ out_unregister_fusb302: i2c_unregister_device(data->fusb302); out_unregister_max17047: - if (data->max17047) - i2c_unregister_device(data->max17047); + i2c_unregister_device(data->max17047); device_connections_remove(data->connections); - return -EPROBE_DEFER; /* Wait for the i2c-adapter to load */ + return ret; } static int cht_int33fe_remove(struct platform_device *pdev) @@ -227,8 +230,7 @@ static int cht_int33fe_remove(struct platform_device *pdev) i2c_unregister_device(data->pi3usb30532); i2c_unregister_device(data->fusb302); - if (data->max17047) - i2c_unregister_device(data->max17047); + i2c_unregister_device(data->max17047); device_connections_remove(data->connections); diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c index 225638a1b09e..bffe548187ee 100644 --- a/drivers/platform/x86/intel_ips.c +++ b/drivers/platform/x86/intel_ips.c @@ -1210,13 +1210,7 @@ static void ips_debugfs_cleanup(struct ips_driver *ips) { return; } /* Expose current state and limits in debugfs if possible */ -struct ips_debugfs_node { - struct ips_driver *ips; - char *name; - int (*show)(struct seq_file *m, void *data); -}; - -static int show_cpu_temp(struct seq_file *m, void *data) +static int cpu_temp_show(struct seq_file *m, void *data) { struct ips_driver *ips = m->private; @@ -1225,8 +1219,9 @@ static int show_cpu_temp(struct seq_file *m, void *data) return 0; } +DEFINE_SHOW_ATTRIBUTE(cpu_temp); -static int show_cpu_power(struct seq_file *m, void *data) +static int cpu_power_show(struct seq_file *m, void *data) { struct ips_driver *ips = m->private; @@ -1234,8 +1229,9 @@ static int show_cpu_power(struct seq_file *m, void *data) return 0; } +DEFINE_SHOW_ATTRIBUTE(cpu_power); -static int show_cpu_clamp(struct seq_file *m, void *data) +static int cpu_clamp_show(struct seq_file *m, void *data) { u64 turbo_override; int tdp, tdc; @@ -1255,8 +1251,9 @@ static int show_cpu_clamp(struct seq_file *m, void *data) return 0; } +DEFINE_SHOW_ATTRIBUTE(cpu_clamp); -static int show_mch_temp(struct seq_file *m, void *data) +static int mch_temp_show(struct seq_file *m, void *data) { struct ips_driver *ips = m->private; @@ -1265,8 +1262,9 @@ static int show_mch_temp(struct seq_file *m, void *data) return 0; } +DEFINE_SHOW_ATTRIBUTE(mch_temp); -static int show_mch_power(struct seq_file *m, void *data) +static int mch_power_show(struct seq_file *m, void *data) { struct ips_driver *ips = m->private; @@ -1274,68 +1272,22 @@ static int show_mch_power(struct seq_file *m, void *data) return 0; } - -static struct ips_debugfs_node ips_debug_files[] = { - { NULL, "cpu_temp", show_cpu_temp }, - { NULL, "cpu_power", show_cpu_power }, - { NULL, "cpu_clamp", show_cpu_clamp }, - { NULL, "mch_temp", show_mch_temp }, - { NULL, "mch_power", show_mch_power }, -}; - -static int ips_debugfs_open(struct inode *inode, struct file *file) -{ - struct ips_debugfs_node *node = inode->i_private; - - return single_open(file, node->show, node->ips); -} - -static const struct file_operations ips_debugfs_ops = { - .owner = THIS_MODULE, - .open = ips_debugfs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(mch_power); static void ips_debugfs_cleanup(struct ips_driver *ips) { - if (ips->debug_root) - debugfs_remove_recursive(ips->debug_root); - return; + debugfs_remove_recursive(ips->debug_root); } static void ips_debugfs_init(struct ips_driver *ips) { - int i; - ips->debug_root = debugfs_create_dir("ips", NULL); - if (!ips->debug_root) { - dev_err(ips->dev, "failed to create debugfs entries: %ld\n", - PTR_ERR(ips->debug_root)); - return; - } - for (i = 0; i < ARRAY_SIZE(ips_debug_files); i++) { - struct dentry *ent; - struct ips_debugfs_node *node = &ips_debug_files[i]; - - node->ips = ips; - ent = debugfs_create_file(node->name, S_IFREG | S_IRUGO, - ips->debug_root, node, - &ips_debugfs_ops); - if (!ent) { - dev_err(ips->dev, "failed to create debug file: %ld\n", - PTR_ERR(ent)); - goto err_cleanup; - } - } - - return; - -err_cleanup: - ips_debugfs_cleanup(ips); - return; + debugfs_create_file("cpu_temp", 0444, ips->debug_root, ips, &cpu_temp_fops); + debugfs_create_file("cpu_power", 0444, ips->debug_root, ips, &cpu_power_fops); + debugfs_create_file("cpu_clamp", 0444, ips->debug_root, ips, &cpu_clamp_fops); + debugfs_create_file("mch_temp", 0444, ips->debug_root, ips, &mch_temp_fops); + debugfs_create_file("mch_power", 0444, ips->debug_root, ips, &mch_power_fops); } #endif /* CONFIG_DEBUG_FS */ @@ -1646,9 +1598,6 @@ static void ips_remove(struct pci_dev *dev) struct ips_driver *ips = pci_get_drvdata(dev); u64 turbo_override; - if (!ips) - return; - ips_debugfs_cleanup(ips); /* Release i915 driver */ diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c index 6b31d410cb09..22dbf115782e 100644 --- a/drivers/platform/x86/intel_pmc_core.c +++ b/drivers/platform/x86/intel_pmc_core.c @@ -12,6 +12,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/acpi.h> +#include <linux/bitfield.h> #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/io.h> @@ -101,10 +102,35 @@ static const struct pmc_bit_map spt_pfear_map[] = { {}, }; +static const struct pmc_bit_map spt_ltr_show_map[] = { + {"SOUTHPORT_A", SPT_PMC_LTR_SPA}, + {"SOUTHPORT_B", SPT_PMC_LTR_SPB}, + {"SATA", SPT_PMC_LTR_SATA}, + {"GIGABIT_ETHERNET", SPT_PMC_LTR_GBE}, + {"XHCI", SPT_PMC_LTR_XHCI}, + {"ME", SPT_PMC_LTR_ME}, + /* EVA is Enterprise Value Add, doesn't really exist on PCH */ + {"EVA", SPT_PMC_LTR_EVA}, + {"SOUTHPORT_C", SPT_PMC_LTR_SPC}, + {"HD_AUDIO", SPT_PMC_LTR_AZ}, + {"LPSS", SPT_PMC_LTR_LPSS}, + {"SOUTHPORT_D", SPT_PMC_LTR_SPD}, + {"SOUTHPORT_E", SPT_PMC_LTR_SPE}, + {"CAMERA", SPT_PMC_LTR_CAM}, + {"ESPI", SPT_PMC_LTR_ESPI}, + {"SCC", SPT_PMC_LTR_SCC}, + {"ISH", SPT_PMC_LTR_ISH}, + /* Below two cannot be used for LTR_IGNORE */ + {"CURRENT_PLATFORM", SPT_PMC_LTR_CUR_PLT}, + {"AGGREGATED_SYSTEM", SPT_PMC_LTR_CUR_ASLT}, + {} +}; + static const struct pmc_reg_map spt_reg_map = { .pfear_sts = spt_pfear_map, .mphy_sts = spt_mphy_map, .pll_sts = spt_pll_map, + .ltr_show_sts = spt_ltr_show_map, .slp_s0_offset = SPT_PMC_SLP_S0_RES_COUNTER_OFFSET, .ltr_ignore_offset = SPT_PMC_LTR_IGNORE_OFFSET, .regmap_length = SPT_PMC_MMIO_REG_LEN, @@ -112,6 +138,7 @@ static const struct pmc_reg_map spt_reg_map = { .ppfear_buckets = SPT_PPFEAR_NUM_ENTRIES, .pm_cfg_offset = SPT_PMC_PM_CFG_OFFSET, .pm_read_disable_bit = SPT_PMC_READ_DISABLE_BIT, + .ltr_ignore_max = SPT_NUM_IP_IGN_ALLOWED, }; /* Cannonlake: PGD PFET Enable Ack Status Register(s) bitmap */ @@ -243,10 +270,38 @@ static const struct pmc_bit_map *cnp_slps0_dbg_maps[] = { NULL, }; +static const struct pmc_bit_map cnp_ltr_show_map[] = { + {"SOUTHPORT_A", CNP_PMC_LTR_SPA}, + {"SOUTHPORT_B", CNP_PMC_LTR_SPB}, + {"SATA", CNP_PMC_LTR_SATA}, + {"GIGABIT_ETHERNET", CNP_PMC_LTR_GBE}, + {"XHCI", CNP_PMC_LTR_XHCI}, + {"ME", CNP_PMC_LTR_ME}, + /* EVA is Enterprise Value Add, doesn't really exist on PCH */ + {"EVA", CNP_PMC_LTR_EVA}, + {"SOUTHPORT_C", CNP_PMC_LTR_SPC}, + {"HD_AUDIO", CNP_PMC_LTR_AZ}, + {"CNV", CNP_PMC_LTR_CNV}, + {"LPSS", CNP_PMC_LTR_LPSS}, + {"SOUTHPORT_D", CNP_PMC_LTR_SPD}, + {"SOUTHPORT_E", CNP_PMC_LTR_SPE}, + {"CAMERA", CNP_PMC_LTR_CAM}, + {"ESPI", CNP_PMC_LTR_ESPI}, + {"SCC", CNP_PMC_LTR_SCC}, + {"ISH", CNP_PMC_LTR_ISH}, + {"UFSX2", CNP_PMC_LTR_UFSX2}, + {"EMMC", CNP_PMC_LTR_EMMC}, + /* Below two cannot be used for LTR_IGNORE */ + {"CURRENT_PLATFORM", CNP_PMC_LTR_CUR_PLT}, + {"AGGREGATED_SYSTEM", CNP_PMC_LTR_CUR_ASLT}, + {} +}; + static const struct pmc_reg_map cnp_reg_map = { .pfear_sts = cnp_pfear_map, .slp_s0_offset = CNP_PMC_SLP_S0_RES_COUNTER_OFFSET, .slps0_dbg_maps = cnp_slps0_dbg_maps, + .ltr_show_sts = cnp_ltr_show_map, .slps0_dbg_offset = CNP_PMC_SLPS0_DBG_OFFSET, .ltr_ignore_offset = CNP_PMC_LTR_IGNORE_OFFSET, .regmap_length = CNP_PMC_MMIO_REG_LEN, @@ -254,6 +309,7 @@ static const struct pmc_reg_map cnp_reg_map = { .ppfear_buckets = CNP_PPFEAR_NUM_ENTRIES, .pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET, .pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT, + .ltr_ignore_max = CNP_NUM_IP_IGN_ALLOWED, }; static inline u8 pmc_core_reg_read_byte(struct pmc_dev *pmcdev, int offset) @@ -311,7 +367,7 @@ static void pmc_core_display_map(struct seq_file *s, int index, pf_map[index].bit_mask & pf_reg ? "Off" : "On"); } -static int pmc_core_ppfear_sts_show(struct seq_file *s, void *unused) +static int pmc_core_ppfear_show(struct seq_file *s, void *unused) { struct pmc_dev *pmcdev = s->private; const struct pmc_bit_map *map = pmcdev->map->pfear_sts; @@ -329,18 +385,7 @@ static int pmc_core_ppfear_sts_show(struct seq_file *s, void *unused) return 0; } - -static int pmc_core_ppfear_sts_open(struct inode *inode, struct file *file) -{ - return single_open(file, pmc_core_ppfear_sts_show, inode->i_private); -} - -static const struct file_operations pmc_core_ppfear_ops = { - .open = pmc_core_ppfear_sts_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(pmc_core_ppfear); /* This function should return link status, 0 means ready */ static int pmc_core_mtpmc_link_status(void) @@ -372,7 +417,7 @@ static int pmc_core_send_msg(u32 *addr_xram) return 0; } -static int pmc_core_mphy_pg_sts_show(struct seq_file *s, void *unused) +static int pmc_core_mphy_pg_show(struct seq_file *s, void *unused) { struct pmc_dev *pmcdev = s->private; const struct pmc_bit_map *map = pmcdev->map->mphy_sts; @@ -424,18 +469,7 @@ out_unlock: mutex_unlock(&pmcdev->lock); return err; } - -static int pmc_core_mphy_pg_sts_open(struct inode *inode, struct file *file) -{ - return single_open(file, pmc_core_mphy_pg_sts_show, inode->i_private); -} - -static const struct file_operations pmc_core_mphy_pg_ops = { - .open = pmc_core_mphy_pg_sts_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(pmc_core_mphy_pg); static int pmc_core_pll_show(struct seq_file *s, void *unused) { @@ -471,18 +505,7 @@ out_unlock: mutex_unlock(&pmcdev->lock); return err; } - -static int pmc_core_pll_open(struct inode *inode, struct file *file) -{ - return single_open(file, pmc_core_pll_show, inode->i_private); -} - -static const struct file_operations pmc_core_pll_ops = { - .open = pmc_core_pll_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(pmc_core_pll); static ssize_t pmc_core_ltr_ignore_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) @@ -500,7 +523,7 @@ static ssize_t pmc_core_ltr_ignore_write(struct file *file, const char __user goto out_unlock; } - if (val > NUM_IP_IGN_ALLOWED) { + if (val > map->ltr_ignore_max) { err = -EINVAL; goto out_unlock; } @@ -583,6 +606,77 @@ static int pmc_core_slps0_dbg_show(struct seq_file *s, void *unused) } DEFINE_SHOW_ATTRIBUTE(pmc_core_slps0_dbg); +static u32 convert_ltr_scale(u32 val) +{ + /* + * As per PCIE specification supporting document + * ECN_LatencyTolnReporting_14Aug08.pdf the Latency + * Tolerance Reporting data payload is encoded in a + * 3 bit scale and 10 bit value fields. Values are + * multiplied by the indicated scale to yield an absolute time + * value, expressible in a range from 1 nanosecond to + * 2^25*(2^10-1) = 34,326,183,936 nanoseconds. + * + * scale encoding is as follows: + * + * ---------------------------------------------- + * |scale factor | Multiplier (ns) | + * ---------------------------------------------- + * | 0 | 1 | + * | 1 | 32 | + * | 2 | 1024 | + * | 3 | 32768 | + * | 4 | 1048576 | + * | 5 | 33554432 | + * | 6 | Invalid | + * | 7 | Invalid | + * ---------------------------------------------- + */ + if (val > 5) { + pr_warn("Invalid LTR scale factor.\n"); + return 0; + } + + return 1U << (5 * val); +} + +static int pmc_core_ltr_show(struct seq_file *s, void *unused) +{ + struct pmc_dev *pmcdev = s->private; + const struct pmc_bit_map *map = pmcdev->map->ltr_show_sts; + u64 decoded_snoop_ltr, decoded_non_snoop_ltr; + u32 ltr_raw_data, scale, val; + u16 snoop_ltr, nonsnoop_ltr; + int index; + + for (index = 0; map[index].name ; index++) { + decoded_snoop_ltr = decoded_non_snoop_ltr = 0; + ltr_raw_data = pmc_core_reg_read(pmcdev, + map[index].bit_mask); + snoop_ltr = ltr_raw_data & ~MTPMC_MASK; + nonsnoop_ltr = (ltr_raw_data >> 0x10) & ~MTPMC_MASK; + + if (FIELD_GET(LTR_REQ_NONSNOOP, ltr_raw_data)) { + scale = FIELD_GET(LTR_DECODED_SCALE, nonsnoop_ltr); + val = FIELD_GET(LTR_DECODED_VAL, nonsnoop_ltr); + decoded_non_snoop_ltr = val * convert_ltr_scale(scale); + } + + if (FIELD_GET(LTR_REQ_SNOOP, ltr_raw_data)) { + scale = FIELD_GET(LTR_DECODED_SCALE, snoop_ltr); + val = FIELD_GET(LTR_DECODED_VAL, snoop_ltr); + decoded_snoop_ltr = val * convert_ltr_scale(scale); + } + + seq_printf(s, "%-32s\tLTR: RAW: 0x%-16x\tNon-Snoop(ns): %-16llu\tSnoop(ns): %-16llu\n", + map[index].name, ltr_raw_data, + decoded_non_snoop_ltr, + decoded_snoop_ltr); + } + return 0; +} +DEFINE_SHOW_ATTRIBUTE(pmc_core_ltr); + static void pmc_core_dbgfs_unregister(struct pmc_dev *pmcdev) { debugfs_remove_recursive(pmcdev->dbgfs_dir); @@ -602,19 +696,21 @@ static int pmc_core_dbgfs_register(struct pmc_dev *pmcdev) &pmc_core_dev_state); debugfs_create_file("pch_ip_power_gating_status", 0444, dir, pmcdev, - &pmc_core_ppfear_ops); + &pmc_core_ppfear_fops); debugfs_create_file("ltr_ignore", 0644, dir, pmcdev, &pmc_core_ltr_ignore_ops); + debugfs_create_file("ltr_show", 0644, dir, pmcdev, &pmc_core_ltr_fops); + if (pmcdev->map->pll_sts) debugfs_create_file("pll_status", 0444, dir, pmcdev, - &pmc_core_pll_ops); + &pmc_core_pll_fops); if (pmcdev->map->mphy_sts) debugfs_create_file("mphy_core_lanes_power_gating_status", 0444, dir, pmcdev, - &pmc_core_mphy_pg_ops); + &pmc_core_mphy_pg_fops); if (pmcdev->map->slps0_dbg_maps) { debugfs_create_file("slp_s0_debug_status", 0444, diff --git a/drivers/platform/x86/intel_pmc_core.h b/drivers/platform/x86/intel_pmc_core.h index be045348ad86..89554cba5758 100644 --- a/drivers/platform/x86/intel_pmc_core.h +++ b/drivers/platform/x86/intel_pmc_core.h @@ -12,6 +12,8 @@ #ifndef PMC_CORE_H #define PMC_CORE_H +#include <linux/bits.h> + #define PMC_BASE_ADDR_DEFAULT 0xFE000000 /* Sunrise Point Power Management Controller PCI Device ID */ @@ -35,7 +37,26 @@ #define SPT_PMC_READ_DISABLE_BIT 0x16 #define SPT_PMC_MSG_FULL_STS_BIT 0x18 #define NUM_RETRIES 100 -#define NUM_IP_IGN_ALLOWED 17 +#define SPT_NUM_IP_IGN_ALLOWED 17 + +#define SPT_PMC_LTR_CUR_PLT 0x350 +#define SPT_PMC_LTR_CUR_ASLT 0x354 +#define SPT_PMC_LTR_SPA 0x360 +#define SPT_PMC_LTR_SPB 0x364 +#define SPT_PMC_LTR_SATA 0x368 +#define SPT_PMC_LTR_GBE 0x36C +#define SPT_PMC_LTR_XHCI 0x370 +#define SPT_PMC_LTR_ME 0x378 +#define SPT_PMC_LTR_EVA 0x37C +#define SPT_PMC_LTR_SPC 0x380 +#define SPT_PMC_LTR_AZ 0x384 +#define SPT_PMC_LTR_LPSS 0x38C +#define SPT_PMC_LTR_CAM 0x390 +#define SPT_PMC_LTR_SPD 0x394 +#define SPT_PMC_LTR_SPE 0x398 +#define SPT_PMC_LTR_ESPI 0x39C +#define SPT_PMC_LTR_SCC 0x3A0 +#define SPT_PMC_LTR_ISH 0x3A4 /* Sunrise Point: PGD PFET Enable Ack Status Registers */ enum ppfear_regs { @@ -115,18 +136,46 @@ enum ppfear_regs { #define SPT_PMC_BIT_MPHY_CMN_LANE3 BIT(3) /* Cannonlake Power Management Controller register offsets */ -#define CNP_PMC_SLP_S0_RES_COUNTER_OFFSET 0x193C -#define CNP_PMC_LTR_IGNORE_OFFSET 0x1B0C -#define CNP_PMC_PM_CFG_OFFSET 0x1818 #define CNP_PMC_SLPS0_DBG_OFFSET 0x10B4 +#define CNP_PMC_PM_CFG_OFFSET 0x1818 +#define CNP_PMC_SLP_S0_RES_COUNTER_OFFSET 0x193C +#define CNP_PMC_LTR_IGNORE_OFFSET 0x1B0C /* Cannonlake: PGD PFET Enable Ack Status Register(s) start */ -#define CNP_PMC_HOST_PPFEAR0A 0x1D90 +#define CNP_PMC_HOST_PPFEAR0A 0x1D90 -#define CNP_PMC_MMIO_REG_LEN 0x2000 -#define CNP_PPFEAR_NUM_ENTRIES 8 -#define CNP_PMC_READ_DISABLE_BIT 22 #define CNP_PMC_LATCH_SLPS0_EVENTS BIT(31) +#define CNP_PMC_MMIO_REG_LEN 0x2000 +#define CNP_PPFEAR_NUM_ENTRIES 8 +#define CNP_PMC_READ_DISABLE_BIT 22 +#define CNP_NUM_IP_IGN_ALLOWED 19 +#define CNP_PMC_LTR_CUR_PLT 0x1B50 +#define CNP_PMC_LTR_CUR_ASLT 0x1B54 +#define CNP_PMC_LTR_SPA 0x1B60 +#define CNP_PMC_LTR_SPB 0x1B64 +#define CNP_PMC_LTR_SATA 0x1B68 +#define CNP_PMC_LTR_GBE 0x1B6C +#define CNP_PMC_LTR_XHCI 0x1B70 +#define CNP_PMC_LTR_ME 0x1B78 +#define CNP_PMC_LTR_EVA 0x1B7C +#define CNP_PMC_LTR_SPC 0x1B80 +#define CNP_PMC_LTR_AZ 0x1B84 +#define CNP_PMC_LTR_LPSS 0x1B8C +#define CNP_PMC_LTR_CAM 0x1B90 +#define CNP_PMC_LTR_SPD 0x1B94 +#define CNP_PMC_LTR_SPE 0x1B98 +#define CNP_PMC_LTR_ESPI 0x1B9C +#define CNP_PMC_LTR_SCC 0x1BA0 +#define CNP_PMC_LTR_ISH 0x1BA4 +#define CNP_PMC_LTR_CNV 0x1BF0 +#define CNP_PMC_LTR_EMMC 0x1BF4 +#define CNP_PMC_LTR_UFSX2 0x1BF8 + +#define LTR_DECODED_VAL GENMASK(9, 0) +#define LTR_DECODED_SCALE GENMASK(12, 10) +#define LTR_REQ_SNOOP BIT(15) +#define LTR_REQ_NONSNOOP BIT(31) + struct pmc_bit_map { const char *name; u32 bit_mask; @@ -139,6 +188,7 @@ struct pmc_bit_map { * @mphy_sts: Maps name of MPHY lane to MPHY status lane status bit * @pll_sts: Maps name of PLL to corresponding bit status * @slps0_dbg_maps: Array of SLP_S0_DBG* registers containing debug info + * @ltr_show_sts: Maps PCH IP Names to their MMIO register offsets * @slp_s0_offset: PWRMBASE offset to read SLP_S0 residency * @ltr_ignore_offset: PWRMBASE offset to read/write LTR ignore bit * @regmap_length: Length of memory to map from PWRMBASE address to access @@ -157,6 +207,7 @@ struct pmc_reg_map { const struct pmc_bit_map *mphy_sts; const struct pmc_bit_map *pll_sts; const struct pmc_bit_map **slps0_dbg_maps; + const struct pmc_bit_map *ltr_show_sts; const u32 slp_s0_offset; const u32 ltr_ignore_offset; const int regmap_length; @@ -165,6 +216,7 @@ struct pmc_reg_map { const u32 pm_cfg_offset; const int pm_read_disable_bit; const u32 slps0_dbg_offset; + const u32 ltr_ignore_max; }; /** diff --git a/drivers/platform/x86/intel_telemetry_debugfs.c b/drivers/platform/x86/intel_telemetry_debugfs.c index 40bce560eb30..98ba9185a27b 100644 --- a/drivers/platform/x86/intel_telemetry_debugfs.c +++ b/drivers/platform/x86/intel_telemetry_debugfs.c @@ -466,17 +466,7 @@ static int telem_pss_states_show(struct seq_file *s, void *unused) return 0; } -static int telem_pss_state_open(struct inode *inode, struct file *file) -{ - return single_open(file, telem_pss_states_show, inode->i_private); -} - -static const struct file_operations telem_pss_ops = { - .open = telem_pss_state_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(telem_pss_states); static int telem_ioss_states_show(struct seq_file *s, void *unused) { @@ -505,17 +495,7 @@ static int telem_ioss_states_show(struct seq_file *s, void *unused) return 0; } -static int telem_ioss_state_open(struct inode *inode, struct file *file) -{ - return single_open(file, telem_ioss_states_show, inode->i_private); -} - -static const struct file_operations telem_ioss_ops = { - .open = telem_ioss_state_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(telem_ioss_states); static int telem_soc_states_show(struct seq_file *s, void *unused) { @@ -664,17 +644,7 @@ static int telem_soc_states_show(struct seq_file *s, void *unused) return 0; } -static int telem_soc_state_open(struct inode *inode, struct file *file) -{ - return single_open(file, telem_soc_states_show, inode->i_private); -} - -static const struct file_operations telem_socstate_ops = { - .open = telem_soc_state_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(telem_soc_states); static int telem_s0ix_res_get(void *data, u64 *val) { @@ -960,7 +930,7 @@ static int __init telemetry_debugfs_init(void) f = debugfs_create_file("pss_info", S_IFREG | S_IRUGO, debugfs_conf->telemetry_dbg_dir, NULL, - &telem_pss_ops); + &telem_pss_states_fops); if (!f) { pr_err("pss_sample_info debugfs register failed\n"); goto out; @@ -968,7 +938,7 @@ static int __init telemetry_debugfs_init(void) f = debugfs_create_file("ioss_info", S_IFREG | S_IRUGO, debugfs_conf->telemetry_dbg_dir, NULL, - &telem_ioss_ops); + &telem_ioss_states_fops); if (!f) { pr_err("ioss_sample_info debugfs register failed\n"); goto out; @@ -976,7 +946,7 @@ static int __init telemetry_debugfs_init(void) f = debugfs_create_file("soc_states", S_IFREG | S_IRUGO, debugfs_conf->telemetry_dbg_dir, - NULL, &telem_socstate_ops); + NULL, &telem_soc_states_fops); if (!f) { pr_err("ioss_sample_info debugfs register failed\n"); goto out; diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c index c2c3a1a19879..df3fcd36776a 100644 --- a/drivers/platform/x86/mlx-platform.c +++ b/drivers/platform/x86/mlx-platform.c @@ -1,34 +1,9 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /* - * Copyright (c) 2016 Mellanox Technologies. All rights reserved. - * Copyright (c) 2016 Vadim Pasternak <vadimp@mellanox.com> + * Mellanox platform driver * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. + * Copyright (C) 2016-2018 Mellanox Technologies + * Copyright (C) 2016-2018 Vadim Pasternak <vadimp@mellanox.com> */ #include <linux/device.h> @@ -49,7 +24,10 @@ #define MLXPLAT_CPLD_LPC_REG_BASE_ADRR 0x2500 #define MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET 0x00 #define MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET 0x01 +#define MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET 0x02 #define MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET 0x1d +#define MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET 0x1e +#define MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET 0x1f #define MLXPLAT_CPLD_LPC_REG_LED1_OFFSET 0x20 #define MLXPLAT_CPLD_LPC_REG_LED2_OFFSET 0x21 #define MLXPLAT_CPLD_LPC_REG_LED3_OFFSET 0x22 @@ -83,12 +61,12 @@ #define MLXPLAT_CPLD_LPC_REG_TACHO4_OFFSET 0xe7 #define MLXPLAT_CPLD_LPC_REG_TACHO5_OFFSET 0xe8 #define MLXPLAT_CPLD_LPC_REG_TACHO6_OFFSET 0xe9 -#define MLXPLAT_CPLD_LPC_REG_TACHO7_OFFSET 0xea -#define MLXPLAT_CPLD_LPC_REG_TACHO8_OFFSET 0xeb -#define MLXPLAT_CPLD_LPC_REG_TACHO9_OFFSET 0xec -#define MLXPLAT_CPLD_LPC_REG_TACHO10_OFFSET 0xed -#define MLXPLAT_CPLD_LPC_REG_TACHO11_OFFSET 0xee -#define MLXPLAT_CPLD_LPC_REG_TACHO12_OFFSET 0xef +#define MLXPLAT_CPLD_LPC_REG_TACHO7_OFFSET 0xeb +#define MLXPLAT_CPLD_LPC_REG_TACHO8_OFFSET 0xec +#define MLXPLAT_CPLD_LPC_REG_TACHO9_OFFSET 0xed +#define MLXPLAT_CPLD_LPC_REG_TACHO10_OFFSET 0xee +#define MLXPLAT_CPLD_LPC_REG_TACHO11_OFFSET 0xef +#define MLXPLAT_CPLD_LPC_REG_TACHO12_OFFSET 0xf0 #define MLXPLAT_CPLD_LPC_IO_RANGE 0x100 #define MLXPLAT_CPLD_LPC_I2C_CH1_OFF 0xdb #define MLXPLAT_CPLD_LPC_I2C_CH2_OFF 0xda @@ -1101,6 +1079,118 @@ static struct mlxreg_core_platform_data mlxplat_msn21xx_regs_io_data = { .counter = ARRAY_SIZE(mlxplat_mlxcpld_msn21xx_regs_io_data), }; +/* Platform register access for next generation systems families data */ +static struct mlxreg_core_data mlxplat_mlxcpld_default_ng_regs_io_data[] = { + { + .label = "cpld1_version", + .reg = MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET, + .bit = GENMASK(7, 0), + .mode = 0444, + }, + { + .label = "cpld2_version", + .reg = MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET, + .bit = GENMASK(7, 0), + .mode = 0444, + }, + { + .label = "cpld3_version", + .reg = MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET, + .bit = GENMASK(7, 0), + .mode = 0444, + }, + { + .label = "reset_long_pb", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(0), + .mode = 0444, + }, + { + .label = "reset_short_pb", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(1), + .mode = 0444, + }, + { + .label = "reset_aux_pwr_or_ref", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(2), + .mode = 0444, + }, + { + .label = "reset_from_comex", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(4), + .mode = 0444, + }, + { + .label = "reset_asic_thermal", + .reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(7), + .mode = 0444, + }, + { + .label = "reset_comex_pwr_fail", + .reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(3), + .mode = 0444, + }, + { + .label = "reset_voltmon_upgrade_fail", + .reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(0), + .mode = 0444, + }, + { + .label = "reset_system", + .reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(1), + .mode = 0444, + }, + { + .label = "psu1_on", + .reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(0), + .mode = 0200, + }, + { + .label = "psu2_on", + .reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(1), + .mode = 0200, + }, + { + .label = "pwr_cycle", + .reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(2), + .mode = 0200, + }, + { + .label = "pwr_down", + .reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(3), + .mode = 0200, + }, + { + .label = "jtag_enable", + .reg = MLXPLAT_CPLD_LPC_REG_GP2_OFFSET, + .mask = GENMASK(7, 0) & ~BIT(4), + .mode = 0644, + }, + { + .label = "asic_health", + .reg = MLXPLAT_CPLD_LPC_REG_ASIC_HEALTH_OFFSET, + .mask = MLXPLAT_CPLD_ASIC_MASK, + .bit = 1, + .mode = 0444, + }, +}; + +static struct mlxreg_core_platform_data mlxplat_default_ng_regs_io_data = { + .data = mlxplat_mlxcpld_default_ng_regs_io_data, + .counter = ARRAY_SIZE(mlxplat_mlxcpld_default_ng_regs_io_data), +}; + /* Platform FAN default */ static struct mlxreg_core_data mlxplat_mlxcpld_default_fan_data[] = { { @@ -1208,7 +1298,10 @@ static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg) switch (reg) { case MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET: case MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET: + case MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET: case MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET: + case MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET: + case MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET: case MLXPLAT_CPLD_LPC_REG_LED1_OFFSET: case MLXPLAT_CPLD_LPC_REG_LED2_OFFSET: case MLXPLAT_CPLD_LPC_REG_LED3_OFFSET: @@ -1258,7 +1351,10 @@ static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg) switch (reg) { case MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET: case MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET: + case MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET: case MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET: + case MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET: + case MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET: case MLXPLAT_CPLD_LPC_REG_LED1_OFFSET: case MLXPLAT_CPLD_LPC_REG_LED2_OFFSET: case MLXPLAT_CPLD_LPC_REG_LED3_OFFSET: @@ -1421,7 +1517,7 @@ static int __init mlxplat_dmi_msn201x_matched(const struct dmi_system_id *dmi) mlxplat_hotplug = &mlxplat_mlxcpld_msn201x_data; mlxplat_hotplug->deferred_nr = mlxplat_default_channels[i - 1][MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; - mlxplat_led = &mlxplat_default_ng_led_data; + mlxplat_led = &mlxplat_msn21xx_led_data; mlxplat_regs_io = &mlxplat_msn21xx_regs_io_data; return 1; @@ -1439,7 +1535,8 @@ static int __init mlxplat_dmi_qmb7xx_matched(const struct dmi_system_id *dmi) mlxplat_hotplug = &mlxplat_mlxcpld_default_ng_data; mlxplat_hotplug->deferred_nr = mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1]; - mlxplat_led = &mlxplat_msn21xx_led_data; + mlxplat_led = &mlxplat_default_ng_led_data; + mlxplat_regs_io = &mlxplat_default_ng_regs_io_data; mlxplat_fan = &mlxplat_default_fan_data; return 1; @@ -1499,21 +1596,21 @@ static const struct dmi_system_id mlxplat_dmi_table[] __initconst = { .callback = mlxplat_dmi_qmb7xx_matched, .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Mellanox Technologies"), - DMI_MATCH(DMI_PRODUCT_NAME, "QMB7"), + DMI_MATCH(DMI_PRODUCT_NAME, "MQM87"), }, }, { .callback = mlxplat_dmi_qmb7xx_matched, .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Mellanox Technologies"), - DMI_MATCH(DMI_PRODUCT_NAME, "SN37"), + DMI_MATCH(DMI_PRODUCT_NAME, "MSN37"), }, }, { .callback = mlxplat_dmi_qmb7xx_matched, .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Mellanox Technologies"), - DMI_MATCH(DMI_PRODUCT_NAME, "SN34"), + DMI_MATCH(DMI_PRODUCT_NAME, "MSN34"), }, }, { diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index fde08a997557..f5773cdfdebc 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -478,6 +478,12 @@ do { \ .ec = TPACPI_MATCH_ANY, \ .quirks = (__quirk) } +#define TPACPI_QEC_IBM(__id1, __id2, __quirk) \ + { .vendor = PCI_VENDOR_ID_IBM, \ + .bios = TPACPI_MATCH_ANY, \ + .ec = TPID(__id1, __id2), \ + .quirks = (__quirk) } + #define TPACPI_QEC_LNV(__id1, __id2, __quirk) \ { .vendor = PCI_VENDOR_ID_LENOVO, \ .bios = TPACPI_MATCH_ANY, \ @@ -3457,7 +3463,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, - KEY_FAVORITES, /* Favorite app, 0x311 */ + KEY_BOOKMARKS, /* Favorite app, 0x311 */ KEY_RESERVED, /* Clipping tool */ KEY_CALC, /* Calculator (above numpad, P52) */ KEY_BLUETOOTH, /* Bluetooth */ @@ -5973,9 +5979,6 @@ static const struct tpacpi_quirk led_useful_qtable[] __initconst = { }, }; -#undef TPACPI_LEDQ_IBM -#undef TPACPI_LEDQ_LNV - static enum led_access_mode __init led_init_detect_mode(void) { acpi_status status; @@ -8710,40 +8713,18 @@ static const struct attribute_group fan_attr_group = { .attrs = fan_attributes, }; -#define TPACPI_FAN_Q1 0x0001 /* Unitialized HFSP */ +#define TPACPI_FAN_Q1 0x0001 /* Unitialized HFSP */ #define TPACPI_FAN_2FAN 0x0002 /* EC 0x31 bit 0 selects fan2 */ -#define TPACPI_FAN_QI(__id1, __id2, __quirks) \ - { .vendor = PCI_VENDOR_ID_IBM, \ - .bios = TPACPI_MATCH_ANY, \ - .ec = TPID(__id1, __id2), \ - .quirks = __quirks } - -#define TPACPI_FAN_QL(__id1, __id2, __quirks) \ - { .vendor = PCI_VENDOR_ID_LENOVO, \ - .bios = TPACPI_MATCH_ANY, \ - .ec = TPID(__id1, __id2), \ - .quirks = __quirks } - -#define TPACPI_FAN_QB(__id1, __id2, __quirks) \ - { .vendor = PCI_VENDOR_ID_LENOVO, \ - .bios = TPID(__id1, __id2), \ - .ec = TPACPI_MATCH_ANY, \ - .quirks = __quirks } - static const struct tpacpi_quirk fan_quirk_table[] __initconst = { - TPACPI_FAN_QI('1', 'Y', TPACPI_FAN_Q1), - TPACPI_FAN_QI('7', '8', TPACPI_FAN_Q1), - TPACPI_FAN_QI('7', '6', TPACPI_FAN_Q1), - TPACPI_FAN_QI('7', '0', TPACPI_FAN_Q1), - TPACPI_FAN_QL('7', 'M', TPACPI_FAN_2FAN), - TPACPI_FAN_QB('N', '1', TPACPI_FAN_2FAN), + TPACPI_QEC_IBM('1', 'Y', TPACPI_FAN_Q1), + TPACPI_QEC_IBM('7', '8', TPACPI_FAN_Q1), + TPACPI_QEC_IBM('7', '6', TPACPI_FAN_Q1), + TPACPI_QEC_IBM('7', '0', TPACPI_FAN_Q1), + TPACPI_QEC_LNV('7', 'M', TPACPI_FAN_2FAN), + TPACPI_Q_LNV('N', '1', TPACPI_FAN_2FAN), }; -#undef TPACPI_FAN_QL -#undef TPACPI_FAN_QI -#undef TPACPI_FAN_QB - static int __init fan_init(struct ibm_init_struct *iibm) { int rc; diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 5f2d7ea912b5..8c5d47c0aea6 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -615,6 +615,14 @@ static const struct dmi_system_id touchscreen_dmi_table[] = { }, }, { + /* Mediacom Flexbook Edge 11 (same hw as TS Primebook C11) */ + .driver_data = (void *)&trekstor_primebook_c11_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MEDIACOM"), + DMI_MATCH(DMI_PRODUCT_NAME, "FlexBook edge11 - M-FBE11"), + }, + }, + { /* Onda oBook 20 Plus */ .driver_data = (void *)&onda_obook_20_plus_data, .matches = { diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c index c84c8c189e90..1c0033ad8738 100644 --- a/drivers/usb/typec/tps6598x.c +++ b/drivers/usb/typec/tps6598x.c @@ -501,19 +501,19 @@ static int tps6598x_remove(struct i2c_client *client) return 0; } -static const struct acpi_device_id tps6598x_acpi_match[] = { - { "INT3515", 0 }, +static const struct i2c_device_id tps6598x_id[] = { + { "tps6598x" }, { } }; -MODULE_DEVICE_TABLE(acpi, tps6598x_acpi_match); +MODULE_DEVICE_TABLE(i2c, tps6598x_id); static struct i2c_driver tps6598x_i2c_driver = { .driver = { .name = "tps6598x", - .acpi_match_table = tps6598x_acpi_match, }, .probe_new = tps6598x_probe, .remove = tps6598x_remove, + .id_table = tps6598x_id, }; module_i2c_driver(tps6598x_i2c_driver); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index ed80f147bd50..6afc6e3c4c5c 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1054,6 +1054,17 @@ static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) } #endif +#if defined(CONFIG_ACPI) && IS_ENABLED(CONFIG_I2C) +bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, + struct acpi_resource_i2c_serialbus **i2c); +#else +static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, + struct acpi_resource_i2c_serialbus **i2c) +{ + return false; +} +#endif + /* Device properties */ #ifdef CONFIG_ACPI |