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| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-12-14 20:40:09 +0200 |
|---|---|---|
| committer |   Lee Jones <lee@kernel.org> | 2023-12-21 14:42:59 +0000 |
| commit | 6d63d05e26f8d5e22308efc25793660101fd7602 (patch) | |
| tree | d526c1826564f94343f674c9d2496246cb7c0412 /drivers/leds | |
| parent | leds: max5970: Remove unused variable (diff) | |
| download | wireguard-linux-6d63d05e26f8d5e22308efc25793660101fd7602.tar.xz wireguard-linux-6d63d05e26f8d5e22308efc25793660101fd7602.zip | |
leds: max5970: Make use of device properties
Convert the module to be property provider agnostic and allow
it to be used on non-OF platforms.
Add mod_devicetable.h include.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231214184050.1272848-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-max5970.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/leds/leds-max5970.c b/drivers/leds/leds-max5970.c index 7959d079ae94..de57b385b4f6 100644 --- a/drivers/leds/leds-max5970.c +++ b/drivers/leds/leds-max5970.c @@ -9,8 +9,9 @@ #include <linux/leds.h> #include <linux/mfd/max5970.h> -#include <linux/of.h> +#include <linux/mod_devicetable.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/regmap.h> #define ldev_to_maxled(c) container_of(c, struct max5970_led, cdev) @@ -40,25 +41,24 @@ static int max5970_led_set_brightness(struct led_classdev *cdev, static int max5970_led_probe(struct platform_device *pdev) { + struct fwnode_handle *led_node, *child; struct device *dev = &pdev->dev; - struct device_node *np = dev_of_node(dev->parent); struct regmap *regmap; - struct device_node *led_node, *child; struct max5970_led *ddata; int ret = -ENODEV; - regmap = dev_get_regmap(pdev->dev.parent, NULL); + regmap = dev_get_regmap(dev->parent, NULL); if (!regmap) return -ENODEV; - led_node = of_get_child_by_name(np, "leds"); + led_node = device_get_named_child_node(dev->parent, "leds"); if (!led_node) return -ENODEV; - for_each_available_child_of_node(led_node, child) { + fwnode_for_each_available_child_node(led_node, child) { u32 reg; - if (of_property_read_u32(child, "reg", ®)) + if (fwnode_property_read_u32(child, "reg", ®)) continue; if (reg >= MAX5970_NUM_LEDS) { @@ -68,7 +68,7 @@ static int max5970_led_probe(struct platform_device *pdev) ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL); if (!ddata) { - of_node_put(child); + fwnode_handle_put(child); return -ENOMEM; } @@ -76,8 +76,8 @@ static int max5970_led_probe(struct platform_device *pdev) ddata->regmap = regmap; ddata->dev = dev; - if (of_property_read_string(child, "label", &ddata->cdev.name)) - ddata->cdev.name = child->name; + if (fwnode_property_read_string(child, "label", &ddata->cdev.name)) + ddata->cdev.name = fwnode_get_name(child); ddata->cdev.max_brightness = 1; ddata->cdev.brightness_set_blocking = max5970_led_set_brightness; @@ -85,7 +85,7 @@ static int max5970_led_probe(struct platform_device *pdev) ret = devm_led_classdev_register(dev, &ddata->cdev); if (ret < 0) { - of_node_put(child); + fwnode_handle_put(child); dev_err(dev, "Failed to initialize LED %u\n", reg); return ret; } @@ -100,8 +100,8 @@ static struct platform_driver max5970_led_driver = { }, .probe = max5970_led_probe, }; - module_platform_driver(max5970_led_driver); + MODULE_AUTHOR("Patrick Rudolph <patrick.rudolph@9elements.com>"); MODULE_AUTHOR("Naresh Solanki <Naresh.Solanki@9elements.com>"); MODULE_DESCRIPTION("MAX5970_hot-swap controller LED driver"); |