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>

diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
index ec704f2..ca87a1b 100644 (file)
--- 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;
 }