diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2013-12-06 22:22:19 -0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@gmail.com> | 2014-01-27 17:28:50 -0800 |
| commit | 3df22c06b9ca7df02e095595994d229811305825 (patch) | |
| tree | c091ce23792544dab6408c1d44893de12fb1afde /drivers | |
| parent | 01a7a063e8cf4bc09af2c02d28c12f3d72bf9649 (diff) | |
| download | linux-3df22c06b9ca7df02e095595994d229811305825.tar.bz2 | |
leds: leds-mc13783: Remove unneeded mc13xxx_{un}lock
LED registers are used only in this driver, so no additional
locking is needed. Read-Modify-Write cycle in workqueue is already
protected by regmap.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/leds/leds-mc13783.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c index ec704f2ab70d..ca87a1b4a0db 100644 --- a/drivers/leds/leds-mc13783.c +++ b/drivers/leds/leds-mc13783.c @@ -117,9 +117,7 @@ static void mc13xxx_led_work(struct work_struct *work) BUG(); } - mc13xxx_lock(led->master); mc13xxx_reg_rmw(led->master, reg, mask << shift, value << shift); - mc13xxx_unlock(led->master); } static void mc13xxx_led_set(struct led_classdev *led_cdev, @@ -164,19 +162,12 @@ static int __init mc13xxx_led_probe(struct platform_device *pdev) leds->num_leds = num_leds; platform_set_drvdata(pdev, leds); - mc13xxx_lock(mcdev); for (i = 0; i < devtype->num_regs; i++) { reg = pdata->led_control[i]; WARN_ON(reg >= (1 << 24)); ret = mc13xxx_reg_write(mcdev, MC13XXX_REG_LED_CONTROL(i), reg); if (ret) - break; - } - mc13xxx_unlock(mcdev); - - if (ret) { - dev_err(&pdev->dev, "Unable to init LED driver\n"); - return ret; + return ret; } for (i = 0; i < num_leds; i++) { @@ -237,10 +228,8 @@ static int mc13xxx_led_remove(struct platform_device *pdev) cancel_work_sync(&leds->led[i].work); } - mc13xxx_lock(mcdev); for (i = 0; i < leds->devtype->num_regs; i++) mc13xxx_reg_write(mcdev, MC13XXX_REG_LED_CONTROL(i), 0); - mc13xxx_unlock(mcdev); return 0; } |