Re: [PATCH 1/2 (v2)] leds-bcm6328: Reuse bcm6328_led_set() instead of copying its functionality

["Álvaro Fernández Rojas" <noltari@gmail.com>]

Still wrong, you are setting the led value after unlocking the spinlock.

El 16/11/2015 a las 21:24, Simon Arlott escribió:
> When ensuring a consistent initial LED state in bcm6328_led (as they may
> be blinking instead of on/off), the LED register is set using an inverted
> copy of bcm6328_led_set(). To avoid further errors relating to active low
> handling, call this function directly instead.
>
> As bcm6328_led_set() acquires the same spinlock again when updating the
> register, it is called after unlocking.
>
> Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
> ---
>   drivers/leds/leds-bcm6328.c | 8 ++------
>   1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c
> index c7ea5c6..95d0cf9 100644
> --- a/drivers/leds/leds-bcm6328.c
> +++ b/drivers/leds/leds-bcm6328.c
> @@ -314,14 +314,10 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg,
>   	} else {
>   		led->cdev.brightness = LED_OFF;
>   	}
> -
> -	if ((led->active_low && led->cdev.brightness == LED_FULL) ||
> -	    (!led->active_low && led->cdev.brightness == LED_OFF))
> -		bcm6328_led_mode(led, BCM6328_LED_MODE_ON);
> -	else
> -		bcm6328_led_mode(led, BCM6328_LED_MODE_OFF);
>   	spin_unlock_irqrestore(lock, flags);
>   
> +	bcm6328_led_set(&led->cdev, led->cdev.brightness);
> +
>   	led->cdev.brightness_set = bcm6328_led_set;
>   	led->cdev.blink_set = bcm6328_blink_set;
>