On Mon, Jul 22, 2019 at 05:03:01PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>
> This field is unused outside of probe(). There's no need to store it.
> We can make it into a local variable.
>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
> ---
> drivers/video/backlight/gpio_backlight.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
> index 70882556f047..cd6a75bca9cc 100644
> --- a/drivers/video/backlight/gpio_backlight.c
> +++ b/drivers/video/backlight/gpio_backlight.c
> @@ -21,7 +21,6 @@
> struct gpio_backlight {
> struct device *fbdev;
> struct gpio_desc *gpiod;
> - int def_value;
> };
>
> static int gpio_backlight_update_status(struct backlight_device *bl)
> @@ -61,7 +60,7 @@ static int gpio_backlight_probe(struct platform_device *pdev)
> struct backlight_device *bl;
> struct gpio_backlight *gbl;
> enum gpiod_flags flags;
> - int ret;
> + int ret, def_value;
>
> gbl = devm_kzalloc(&pdev->dev, sizeof(*gbl), GFP_KERNEL);
> if (gbl == NULL)
> @@ -70,8 +69,8 @@ static int gpio_backlight_probe(struct platform_device *pdev)
> if (pdata)
> gbl->fbdev = pdata->fbdev;
>
> - gbl->def_value = device_property_read_bool(&pdev->dev, "default-on");
> - flags = gbl->def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
> + def_value = device_property_read_bool(&pdev->dev, "default-on");
> + flags = def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
>
> gbl->gpiod = devm_gpiod_get(&pdev->dev, NULL, flags);
> if (IS_ERR(gbl->gpiod)) {
> @@ -94,7 +93,7 @@ static int gpio_backlight_probe(struct platform_device *pdev)
> return PTR_ERR(bl);
> }
>
> - bl->props.brightness = gbl->def_value;
> + bl->props.brightness = def_value;
> backlight_update_status(bl);
>
> platform_set_drvdata(pdev, bl);
> --
> 2.21.0
>
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