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| author | Andrew Lunn <andrew@lunn.ch> | 2015-08-20 12:52:08 +0200 |
|---|---|---|
| committer | Jacek Anaszewski <j.anaszewski@samsung.com> | 2016-01-04 09:57:35 +0100 |
| commit | 4330f2f26ee464f593dbd1a826016c369c69b74a (patch) | |
| tree | 0eb07c43f30f471870e35a6e3f3ee5dd5aa6bb09 /drivers/leds | |
| parent | d1c5c5c2e30a20946ef6f6f757b21263b0b6c7e3 (diff) | |
| download | linux-4330f2f26ee464f593dbd1a826016c369c69b74a.tar.bz2 | |
leds: mc13783: Remove work queue
Now the core implements the work queue, remove it from the drivers,
and switch to using brightness_set_blocking op.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-mc13783.c | 35 |
1 files changed, 9 insertions, 26 deletions
diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c index e2b847fe22a1..a2e4c1792e17 100644 --- a/drivers/leds/leds-mc13783.c +++ b/drivers/leds/leds-mc13783.c @@ -20,7 +20,6 @@ #include <linux/platform_device.h> #include <linux/leds.h> #include <linux/of.h> -#include <linux/workqueue.h> #include <linux/mfd/mc13xxx.h> struct mc13xxx_led_devtype { @@ -32,8 +31,6 @@ struct mc13xxx_led_devtype { struct mc13xxx_led { struct led_classdev cdev; - struct work_struct work; - enum led_brightness new_brightness; int id; struct mc13xxx_leds *leds; }; @@ -55,9 +52,11 @@ static unsigned int mc13xxx_max_brightness(int id) return 0x3f; } -static void mc13xxx_led_work(struct work_struct *work) +static int mc13xxx_led_set(struct led_classdev *led_cdev, + enum led_brightness value) { - struct mc13xxx_led *led = container_of(work, struct mc13xxx_led, work); + struct mc13xxx_led *led = + container_of(led_cdev, struct mc13xxx_led, cdev); struct mc13xxx_leds *leds = led->leds; unsigned int reg, bank, off, shift; @@ -105,19 +104,9 @@ static void mc13xxx_led_work(struct work_struct *work) BUG(); } - mc13xxx_reg_rmw(leds->master, leds->devtype->ledctrl_base + reg, + return mc13xxx_reg_rmw(leds->master, leds->devtype->ledctrl_base + reg, mc13xxx_max_brightness(led->id) << shift, - led->new_brightness << shift); -} - -static void mc13xxx_led_set(struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct mc13xxx_led *led = - container_of(led_cdev, struct mc13xxx_led, cdev); - - led->new_brightness = value; - schedule_work(&led->work); + value << shift); } #ifdef CONFIG_OF @@ -257,11 +246,9 @@ static int __init mc13xxx_led_probe(struct platform_device *pdev) leds->led[i].cdev.name = name; leds->led[i].cdev.default_trigger = trig; leds->led[i].cdev.flags = LED_CORE_SUSPENDRESUME; - leds->led[i].cdev.brightness_set = mc13xxx_led_set; + leds->led[i].cdev.brightness_set_blocking = mc13xxx_led_set; leds->led[i].cdev.max_brightness = mc13xxx_max_brightness(id); - INIT_WORK(&leds->led[i].work, mc13xxx_led_work); - ret = led_classdev_register(dev->parent, &leds->led[i].cdev); if (ret) { dev_err(dev, "Failed to register LED %i\n", id); @@ -270,10 +257,8 @@ static int __init mc13xxx_led_probe(struct platform_device *pdev) } if (ret) - while (--i >= 0) { + while (--i >= 0) led_classdev_unregister(&leds->led[i].cdev); - cancel_work_sync(&leds->led[i].work); - } return ret; } @@ -283,10 +268,8 @@ static int mc13xxx_led_remove(struct platform_device *pdev) struct mc13xxx_leds *leds = platform_get_drvdata(pdev); int i; - for (i = 0; i < leds->num_leds; i++) { + for (i = 0; i < leds->num_leds; i++) led_classdev_unregister(&leds->led[i].cdev); - cancel_work_sync(&leds->led[i].work); - } return 0; } |