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SubjectRe: [PATCH] leds: pwm: Remove a warning on non-DT platforms
On Wed, Dec 11, 2013 at 4:11 PM, Olof Johansson <olof@lixom.net> wrote:
> This removes a warning on non-DT-enabled platforms:
>
> drivers/leds/leds-pwm.c: In function 'led_pwm_create_of':
> drivers/leds/leds-pwm.c:88:22: warning: unused variable 'node'
>
> Really caused by the local variable that is assigned to and then never
> used. Just do away with the local var, it's not needed.
>
> Technically this code path can never be entered without DT enabled,
> since there's an earlier check about number of children in the calling
> function, but the compiler can't see that.
>

Great, actually we got an 0-Day kbuild warning about this. I'll merge
this fixing.

Thanks,
-Bryan

> Signed-off-by: Olof Johansson <olof@lixom.net>
> ---
> drivers/leds/leds-pwm.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
> index b31d8e99..bf49547 100644
> --- a/drivers/leds/leds-pwm.c
> +++ b/drivers/leds/leds-pwm.c
> @@ -85,11 +85,10 @@ static inline size_t sizeof_pwm_leds_priv(int num_leds)
> static int led_pwm_create_of(struct platform_device *pdev,
> struct led_pwm_priv *priv)
> {
> - struct device_node *node = pdev->dev.of_node;
> struct device_node *child;
> int ret;
>
> - for_each_child_of_node(node, child) {
> + for_each_child_of_node(pdev->dev.of_node, child) {
> struct led_pwm_data *led_dat = &priv->leds[priv->num_leds];
>
> led_dat->cdev.name = of_get_property(child, "label",
> --
> 1.7.10.4
>


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