From a478851c1fedb55d3f1c782b214ed15728054bf1 Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Thu, 20 Aug 2015 12:02:17 +0200 Subject: [PATCH] leds: lm3533: Remove work queue Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn Signed-off-by: Jacek Anaszewski Cc: Johan Hovold --- drivers/leds/leds-lm3533.c | 30 ++++++------------------------ 1 file changed, 6 insertions(+), 24 deletions(-) diff --git a/drivers/leds/leds-lm3533.c b/drivers/leds/leds-lm3533.c index 6e2e02035dd7..196dcb5e6004 100644 --- a/drivers/leds/leds-lm3533.c +++ b/drivers/leds/leds-lm3533.c @@ -17,7 +17,6 @@ #include #include #include -#include #include @@ -53,9 +52,6 @@ struct lm3533_led { struct mutex mutex; unsigned long flags; - - struct work_struct work; - u8 new_brightness; }; @@ -123,27 +119,17 @@ out: return ret; } -static void lm3533_led_work(struct work_struct *work) -{ - struct lm3533_led *led = container_of(work, struct lm3533_led, work); - - dev_dbg(led->cdev.dev, "%s - %u\n", __func__, led->new_brightness); - - if (led->new_brightness == 0) - lm3533_led_pattern_enable(led, 0); /* disable blink */ - - lm3533_ctrlbank_set_brightness(&led->cb, led->new_brightness); -} - -static void lm3533_led_set(struct led_classdev *cdev, +static int lm3533_led_set(struct led_classdev *cdev, enum led_brightness value) { struct lm3533_led *led = to_lm3533_led(cdev); dev_dbg(led->cdev.dev, "%s - %d\n", __func__, value); - led->new_brightness = value; - schedule_work(&led->work); + if (value == 0) + lm3533_led_pattern_enable(led, 0); /* disable blink */ + + return lm3533_ctrlbank_set_brightness(&led->cb, value); } static enum led_brightness lm3533_led_get(struct led_classdev *cdev) @@ -693,7 +679,7 @@ static int lm3533_led_probe(struct platform_device *pdev) led->lm3533 = lm3533; led->cdev.name = pdata->name; led->cdev.default_trigger = pdata->default_trigger; - led->cdev.brightness_set = lm3533_led_set; + led->cdev.brightness_set_blocking = lm3533_led_set; led->cdev.brightness_get = lm3533_led_get; led->cdev.blink_set = lm3533_led_blink_set; led->cdev.brightness = LED_OFF; @@ -701,7 +687,6 @@ static int lm3533_led_probe(struct platform_device *pdev) led->id = pdev->id; mutex_init(&led->mutex); - INIT_WORK(&led->work, lm3533_led_work); /* The class framework makes a callback to get brightness during * registration so use parent device (for error reporting) until @@ -733,7 +718,6 @@ static int lm3533_led_probe(struct platform_device *pdev) err_unregister: led_classdev_unregister(&led->cdev); - flush_work(&led->work); return ret; } @@ -746,7 +730,6 @@ static int lm3533_led_remove(struct platform_device *pdev) lm3533_ctrlbank_disable(&led->cb); led_classdev_unregister(&led->cdev); - flush_work(&led->work); return 0; } @@ -760,7 +743,6 @@ static void lm3533_led_shutdown(struct platform_device *pdev) lm3533_ctrlbank_disable(&led->cb); lm3533_led_set(&led->cdev, LED_OFF); /* disable blink */ - flush_work(&led->work); } static struct platform_driver lm3533_led_driver = { -- 2.20.1