target/linux/brcm63xx/patches-4.4/010-04-leds-bcm6328-remove-unneded-lock-when-checking-initi.patch

   1 From 535d28f143e4eadb8f675885f29f7564dce5acab Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
   3 Date: Tue, 15 Dec 2015 21:03:46 +0100
   4 Subject: [PATCH] leds: bcm6328: remove unneded lock when checking initial LED
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 This lock isn't really needed, since we're only reading the register and
  10 changes made to other LEDs aren't relevant.
  11
  12 Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
  13 Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
  14 ---
  15  drivers/leds/leds-bcm6328.c | 3 ---
  16  1 file changed, 3 deletions(-)
  17
  18 --- a/drivers/leds/leds-bcm6328.c
  19 +++ b/drivers/leds/leds-bcm6328.c
  20 @@ -264,7 +264,6 @@ static int bcm6328_led(struct device *de
  21                        unsigned long *blink_leds, unsigned long *blink_delay)
  22  {
  23         struct bcm6328_led *led;
  24 -       unsigned long flags;
  25         const char *state;
  26         int rc;
  27
  28 @@ -286,7 +285,6 @@ static int bcm6328_led(struct device *de
  29                                                     "linux,default-trigger",
  30                                                     NULL);
  31
  32 -       spin_lock_irqsave(lock, flags);
  33         if (!of_property_read_string(nc, "default-state", &state)) {
  34                 if (!strcmp(state, "on")) {
  35                         led->cdev.brightness = LED_FULL;
  36 @@ -314,7 +312,6 @@ static int bcm6328_led(struct device *de
  37         } else {
  38                 led->cdev.brightness = LED_OFF;
  39         }
  40 -       spin_unlock_irqrestore(lock, flags);
  41
  42         bcm6328_led_set(&led->cdev, led->cdev.brightness);
  43