[PATCH] pwm: atmel: remove redundant initialization of variable timeout

Uwe Kleine-König u.kleine-koenig at pengutronix.de
Thu Dec 9 23:45:36 PST 2021


On Fri, Dec 10, 2021 at 12:22:50AM +0000, Colin Ian King wrote:
> The variable timeout is being initialized with a value that is never
> read, it is being re-assigned the same value later on. Remove the
> redundant initialization and keep the latter assignment because it's
> closer to the use of the variable.
> 
> Signed-off-by: Colin Ian King <colin.i.king at gmail.com>
> ---
>  drivers/pwm/pwm-atmel.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c
> index 98b34ea9f38e..8e00a4286145 100644
> --- a/drivers/pwm/pwm-atmel.c
> +++ b/drivers/pwm/pwm-atmel.c
> @@ -271,7 +271,7 @@ static void atmel_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm,
>  			      bool disable_clk)
>  {
>  	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);
> -	unsigned long timeout = jiffies + 2 * HZ;
> +	unsigned long timeout;
>  
>  	atmel_pwm_wait_nonpending(atmel_pwm, pwm->hwpwm);

Reviewed-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>

Did you spot this by using some static checker? If so, maybe attribute
it in the commit log?

Thanks
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |
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