net: ar8327: remove unnecessary spinlocks

Import from 541c15f8dd%5E%21/#F0
Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>

CHROMIUM: drivers: ar8216: remove unnecessary spinlocks

BUG=chrome-os-partner:33096
TEST=none

Change-Id: Ia1b51258504501863fd3298717cc923a1baf34ca
Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
Reviewed-on: https://chromium-review.googlesource.com/232828
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Toshi Kikuchi <toshik@chromium.org>
Tested-by: Toshi Kikuchi <toshik@chromium.org>

target/linux/generic/files/drivers/net/phy/ar8327.c

@@ -223,9 +223,7 @@ ar8327_led_work_func(struct work_struct *work)
 
 	aled = container_of(work, struct ar8327_led, led_work);
 
-	spin_lock(&aled->lock);
 	pattern = aled->pattern;
-	spin_unlock(&aled->lock);
 
 	ar8327_set_led_pattern(aled->sw_priv, aled->led_num,
 			       pattern);
@@ -308,9 +306,7 @@ ar8327_led_enable_hw_mode_show(struct device *dev,
 	struct ar8327_led *aled = led_cdev_to_ar8327_led(led_cdev);
 	ssize_t ret = 0;
 
-	spin_lock(&aled->lock);
 	ret += sprintf(buf, "%d\n", aled->enable_hw_mode);
-	spin_unlock(&aled->lock);
 
 	return ret;
 }