From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jacek Anaszewski Subject: [PATCH/RFC 28/51] leds: regulator: Remove work queue Date: Fri, 17 Jul 2015 10:47:14 +0200 Message-ID: <1437122857-6765-29-git-send-email-j.anaszewski@samsung.com> References: <1437122857-6765-1-git-send-email-j.anaszewski@samsung.com> Return-path: In-reply-to: <1437122857-6765-1-git-send-email-j.anaszewski@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-leds@vger.kernel.org Cc: linux-kernel@vger.kernel.org, cooloney@gmail.com, rpurdie@rpsys.net, stsp@users.sourceforge.net, Jacek Anaszewski , Andrew Lunn , Antonio Ospite List-Id: linux-leds@vger.kernel.org Now the core implements the work queue, remove it from the drivers. Signed-off-by: Andrew Lunn Cc: Antonio Ospite --- drivers/leds/leds-regulator.c | 34 +++++++++------------------------- 1 file changed, 9 insertions(+), 25 deletions(-) diff --git a/drivers/leds/leds-regulator.c b/drivers/leds/leds-regulator.c index ffc2139..87615e1 100644 --- a/drivers/leds/leds-regulator.c +++ b/drivers/leds/leds-regulator.c @@ -14,7 +14,6 @@ #include #include #include -#include #include #include #include @@ -25,10 +24,8 @@ struct regulator_led { struct led_classdev cdev; - enum led_brightness value; int enabled; struct mutex mutex; - struct work_struct work; struct regulator *vcc; }; @@ -94,22 +91,23 @@ static void regulator_led_disable(struct regulator_led *led) led->enabled = 0; } -static void regulator_led_set_value(struct regulator_led *led) +static void regulator_led_set_value(struct regulator_led *led, + enum led_brightness value) { int voltage; int ret; mutex_lock(&led->mutex); - if (led->value == LED_OFF) { + if (value == LED_OFF) { regulator_led_disable(led); goto out; } if (led->cdev.max_brightness > 1) { - voltage = led_regulator_get_voltage(led->vcc, led->value); + voltage = led_regulator_get_voltage(led->vcc, value); dev_dbg(led->cdev.dev, "brightness: %d voltage: %d\n", - led->value, voltage); + value, voltage); ret = regulator_set_voltage(led->vcc, voltage, voltage); if (ret != 0) @@ -123,21 +121,12 @@ out: mutex_unlock(&led->mutex); } -static void led_work(struct work_struct *work) -{ - struct regulator_led *led; - - led = container_of(work, struct regulator_led, work); - regulator_led_set_value(led); -} - static void regulator_led_brightness_set(struct led_classdev *led_cdev, enum led_brightness value) { struct regulator_led *led = to_regulator_led(led_cdev); - led->value = value; - schedule_work(&led->work); + regulator_led_set_value(led, value); } static int regulator_led_probe(struct platform_device *pdev) @@ -169,7 +158,6 @@ static int regulator_led_probe(struct platform_device *pdev) pdata->brightness); return -EINVAL; } - led->value = pdata->brightness; led->cdev.brightness_set = regulator_led_brightness_set; led->cdev.name = pdata->name; @@ -181,21 +169,18 @@ static int regulator_led_probe(struct platform_device *pdev) led->enabled = 1; mutex_init(&led->mutex); - INIT_WORK(&led->work, led_work); platform_set_drvdata(pdev, led); ret = led_classdev_register(&pdev->dev, &led->cdev); - if (ret < 0) { - cancel_work_sync(&led->work); + if (ret < 0) return ret; - } /* to expose the default value to userspace */ - led->cdev.brightness = led->value; + led->cdev.brightness = pdata->brightness; /* Set the default led status */ - regulator_led_set_value(led); + regulator_led_set_value(led, led->cdev.brightness); return 0; } @@ -205,7 +190,6 @@ static int regulator_led_remove(struct platform_device *pdev) struct regulator_led *led = platform_get_drvdata(pdev); led_classdev_unregister(&led->cdev); - cancel_work_sync(&led->work); regulator_led_disable(led); return 0; } -- 1.7.9.5