diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
tree | 76267dbc9b9a130337be3640948fe397b04ac629 /drivers/platform/x86/intel/int3472 | |
parent | Adding upstream version 6.6.15. (diff) | |
download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/platform/x86/intel/int3472')
-rw-r--r-- | drivers/platform/x86/intel/int3472/clk_and_regulator.c | 54 | ||||
-rw-r--r-- | drivers/platform/x86/intel/int3472/common.h | 7 | ||||
-rw-r--r-- | drivers/platform/x86/intel/int3472/discrete.c | 103 | ||||
-rw-r--r-- | drivers/platform/x86/intel/int3472/led.c | 24 |
4 files changed, 94 insertions, 94 deletions
diff --git a/drivers/platform/x86/intel/int3472/clk_and_regulator.c b/drivers/platform/x86/intel/int3472/clk_and_regulator.c index ef4b3141ef..16e36ac0a7 100644 --- a/drivers/platform/x86/intel/int3472/clk_and_regulator.c +++ b/drivers/platform/x86/intel/int3472/clk_and_regulator.c @@ -162,9 +162,8 @@ out_free_init_name: } int skl_int3472_register_gpio_clock(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, u32 polarity) + struct gpio_desc *gpio) { - char *path = agpio->resource_source.string_ptr; struct clk_init_data init = { .ops = &skl_int3472_clock_ops, .flags = CLK_GET_RATE_NOCACHE, @@ -174,26 +173,12 @@ int skl_int3472_register_gpio_clock(struct int3472_discrete_device *int3472, if (int3472->clock.cl) return -EBUSY; - int3472->clock.ena_gpio = acpi_get_and_request_gpiod(path, agpio->pin_table[0], - "int3472,clk-enable"); - if (IS_ERR(int3472->clock.ena_gpio)) { - ret = PTR_ERR(int3472->clock.ena_gpio); - int3472->clock.ena_gpio = NULL; - return dev_err_probe(int3472->dev, ret, "getting clk-enable GPIO\n"); - } - - if (polarity == GPIO_ACTIVE_LOW) - gpiod_toggle_active_low(int3472->clock.ena_gpio); - - /* Ensure the pin is in output mode and non-active state */ - gpiod_direction_output(int3472->clock.ena_gpio, 0); + int3472->clock.ena_gpio = gpio; init.name = kasprintf(GFP_KERNEL, "%s-clk", acpi_dev_name(int3472->adev)); - if (!init.name) { - ret = -ENOMEM; - goto out_put_gpio; - } + if (!init.name) + return -ENOMEM; int3472->clock.frequency = skl_int3472_get_clk_frequency(int3472); @@ -219,8 +204,6 @@ err_unregister_clk: clk_unregister(int3472->clock.clk); out_free_init_name: kfree(init.name); -out_put_gpio: - gpiod_put(int3472->clock.ena_gpio); return ret; } @@ -232,7 +215,6 @@ void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472) clkdev_drop(int3472->clock.cl); clk_unregister(int3472->clock.clk); - gpiod_put(int3472->clock.ena_gpio); } /* @@ -273,14 +255,13 @@ static const struct dmi_system_id skl_int3472_regulator_second_sensor[] = { }; int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio) + struct gpio_desc *gpio) { - char *path = agpio->resource_source.string_ptr; struct regulator_init_data init_data = { }; struct regulator_config cfg = { }; const char *second_sensor = NULL; const struct dmi_system_id *id; - int i, j, ret; + int i, j; id = dmi_first_match(skl_int3472_regulator_second_sensor); if (id) @@ -314,16 +295,7 @@ int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, int3472->regulator.supply_name, &int3472_gpio_regulator_ops); - int3472->regulator.gpio = acpi_get_and_request_gpiod(path, agpio->pin_table[0], - "int3472,regulator"); - if (IS_ERR(int3472->regulator.gpio)) { - ret = PTR_ERR(int3472->regulator.gpio); - int3472->regulator.gpio = NULL; - return dev_err_probe(int3472->dev, ret, "getting regulator GPIO\n"); - } - - /* Ensure the pin is in output mode and non-active state */ - gpiod_direction_output(int3472->regulator.gpio, 0); + int3472->regulator.gpio = gpio; cfg.dev = &int3472->adev->dev; cfg.init_data = &init_data; @@ -332,21 +304,11 @@ int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, int3472->regulator.rdev = regulator_register(int3472->dev, &int3472->regulator.rdesc, &cfg); - if (IS_ERR(int3472->regulator.rdev)) { - ret = PTR_ERR(int3472->regulator.rdev); - goto err_free_gpio; - } - return 0; - -err_free_gpio: - gpiod_put(int3472->regulator.gpio); - - return ret; + return PTR_ERR_OR_ZERO(int3472->regulator.rdev); } void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472) { regulator_unregister(int3472->regulator.rdev); - gpiod_put(int3472->regulator.gpio); } diff --git a/drivers/platform/x86/intel/int3472/common.h b/drivers/platform/x86/intel/int3472/common.h index 9f29baa138..145dec66df 100644 --- a/drivers/platform/x86/intel/int3472/common.h +++ b/drivers/platform/x86/intel/int3472/common.h @@ -117,16 +117,15 @@ int skl_int3472_get_sensor_adev_and_name(struct device *dev, const char **name_ret); int skl_int3472_register_gpio_clock(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, u32 polarity); + struct gpio_desc *gpio); int skl_int3472_register_dsm_clock(struct int3472_discrete_device *int3472); void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472); int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio); + struct gpio_desc *gpio); void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472); -int skl_int3472_register_pled(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, u32 polarity); +int skl_int3472_register_pled(struct int3472_discrete_device *int3472, struct gpio_desc *gpio); void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472); #endif diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c index e33c2d7597..07b302e093 100644 --- a/drivers/platform/x86/intel/int3472/discrete.c +++ b/drivers/platform/x86/intel/int3472/discrete.c @@ -52,21 +52,15 @@ static void skl_int3472_log_sensor_module_name(struct int3472_discrete_device *i } } -static int skl_int3472_map_gpio_to_sensor(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, - const char *func, u32 polarity) +static int skl_int3472_fill_gpiod_lookup(struct gpiod_lookup *table_entry, + struct acpi_resource_gpio *agpio, + const char *func, u32 polarity) { char *path = agpio->resource_source.string_ptr; - struct gpiod_lookup *table_entry; struct acpi_device *adev; acpi_handle handle; acpi_status status; - if (int3472->n_sensor_gpios >= INT3472_MAX_SENSOR_GPIOS) { - dev_warn(int3472->dev, "Too many GPIOs mapped\n"); - return -EINVAL; - } - status = acpi_get_handle(NULL, path, &handle); if (ACPI_FAILURE(status)) return -EINVAL; @@ -75,18 +69,62 @@ static int skl_int3472_map_gpio_to_sensor(struct int3472_discrete_device *int347 if (!adev) return -ENODEV; - table_entry = &int3472->gpios.table[int3472->n_sensor_gpios]; table_entry->key = acpi_dev_name(adev); table_entry->chip_hwnum = agpio->pin_table[0]; table_entry->con_id = func; table_entry->idx = 0; table_entry->flags = polarity; + return 0; +} + +static int skl_int3472_map_gpio_to_sensor(struct int3472_discrete_device *int3472, + struct acpi_resource_gpio *agpio, + const char *func, u32 polarity) +{ + int ret; + + if (int3472->n_sensor_gpios >= INT3472_MAX_SENSOR_GPIOS) { + dev_warn(int3472->dev, "Too many GPIOs mapped\n"); + return -EINVAL; + } + + ret = skl_int3472_fill_gpiod_lookup(&int3472->gpios.table[int3472->n_sensor_gpios], + agpio, func, polarity); + if (ret) + return ret; + int3472->n_sensor_gpios++; return 0; } +/* This should *really* only be used when there's no other way... */ +static struct gpio_desc * +skl_int3472_gpiod_get_from_temp_lookup(struct int3472_discrete_device *int3472, + struct acpi_resource_gpio *agpio, + const char *func, u32 polarity) +{ + struct gpio_desc *desc; + int ret; + + struct gpiod_lookup_table *lookup __free(kfree) = + kzalloc(struct_size(lookup, table, 2), GFP_KERNEL); + if (!lookup) + return ERR_PTR(-ENOMEM); + + lookup->dev_id = dev_name(int3472->dev); + ret = skl_int3472_fill_gpiod_lookup(&lookup->table[0], agpio, func, polarity); + if (ret) + return ERR_PTR(ret); + + gpiod_add_lookup_table(lookup); + desc = devm_gpiod_get(int3472->dev, func, GPIOD_OUT_LOW); + gpiod_remove_lookup_table(lookup); + + return desc; +} + static void int3472_get_func_and_polarity(u8 type, const char **func, u32 *polarity) { switch (type) { @@ -156,6 +194,7 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, struct acpi_resource_gpio *agpio; u8 active_value, pin, type; union acpi_object *obj; + struct gpio_desc *gpio; const char *err_msg; const char *func; u32 polarity; @@ -206,22 +245,38 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, break; case INT3472_GPIO_TYPE_CLK_ENABLE: - ret = skl_int3472_register_gpio_clock(int3472, agpio, polarity); - if (ret) - err_msg = "Failed to register clock\n"; - - break; case INT3472_GPIO_TYPE_PRIVACY_LED: - ret = skl_int3472_register_pled(int3472, agpio, polarity); - if (ret) - err_msg = "Failed to register LED\n"; - - break; case INT3472_GPIO_TYPE_POWER_ENABLE: - ret = skl_int3472_register_regulator(int3472, agpio); - if (ret) - err_msg = "Failed to map regulator to sensor\n"; - + gpio = skl_int3472_gpiod_get_from_temp_lookup(int3472, agpio, func, polarity); + if (IS_ERR(gpio)) { + ret = PTR_ERR(gpio); + err_msg = "Failed to get GPIO\n"; + break; + } + + switch (type) { + case INT3472_GPIO_TYPE_CLK_ENABLE: + ret = skl_int3472_register_gpio_clock(int3472, gpio); + if (ret) + err_msg = "Failed to register clock\n"; + + break; + case INT3472_GPIO_TYPE_PRIVACY_LED: + ret = skl_int3472_register_pled(int3472, gpio); + if (ret) + err_msg = "Failed to register LED\n"; + + break; + case INT3472_GPIO_TYPE_POWER_ENABLE: + ret = skl_int3472_register_regulator(int3472, gpio); + if (ret) + err_msg = "Failed to map regulator to sensor\n"; + + break; + default: /* Never reached */ + ret = -EINVAL; + break; + } break; default: dev_warn(int3472->dev, diff --git a/drivers/platform/x86/intel/int3472/led.c b/drivers/platform/x86/intel/int3472/led.c index bca1ce7d0d..9cbed694e2 100644 --- a/drivers/platform/x86/intel/int3472/led.c +++ b/drivers/platform/x86/intel/int3472/led.c @@ -16,26 +16,15 @@ static int int3472_pled_set(struct led_classdev *led_cdev, return 0; } -int skl_int3472_register_pled(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, u32 polarity) +int skl_int3472_register_pled(struct int3472_discrete_device *int3472, struct gpio_desc *gpio) { - char *p, *path = agpio->resource_source.string_ptr; + char *p; int ret; if (int3472->pled.classdev.dev) return -EBUSY; - int3472->pled.gpio = acpi_get_and_request_gpiod(path, agpio->pin_table[0], - "int3472,privacy-led"); - if (IS_ERR(int3472->pled.gpio)) - return dev_err_probe(int3472->dev, PTR_ERR(int3472->pled.gpio), - "getting privacy LED GPIO\n"); - - if (polarity == GPIO_ACTIVE_LOW) - gpiod_toggle_active_low(int3472->pled.gpio); - - /* Ensure the pin is in output mode and non-active state */ - gpiod_direction_output(int3472->pled.gpio, 0); + int3472->pled.gpio = gpio; /* Generate the name, replacing the ':' in the ACPI devname with '_' */ snprintf(int3472->pled.name, sizeof(int3472->pled.name), @@ -50,7 +39,7 @@ int skl_int3472_register_pled(struct int3472_discrete_device *int3472, ret = led_classdev_register(int3472->dev, &int3472->pled.classdev); if (ret) - goto err_free_gpio; + return ret; int3472->pled.lookup.provider = int3472->pled.name; int3472->pled.lookup.dev_id = int3472->sensor_name; @@ -58,10 +47,6 @@ int skl_int3472_register_pled(struct int3472_discrete_device *int3472, led_add_lookup(&int3472->pled.lookup); return 0; - -err_free_gpio: - gpiod_put(int3472->pled.gpio); - return ret; } void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472) @@ -71,5 +56,4 @@ void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472) led_remove_lookup(&int3472->pled.lookup); led_classdev_unregister(&int3472->pled.classdev); - gpiod_put(int3472->pled.gpio); } |