Re: [PATCH 1/3] gpiolib: Add missing dummies for the unified device properties interface

From: Bryan Wu
Date: Fri May 08 2015 - 13:44:09 EST


On Thu, May 7, 2015 at 1:08 AM, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> If GPIOLIB=n:
>
> drivers/leds/leds-gpio.c: In function âgpio_leds_createâ:
> drivers/leds/leds-gpio.c:187: error: implicit declaration of function âdevm_get_gpiod_from_childâ
> drivers/leds/leds-gpio.c:187: warning: assignment makes pointer from integer without a cast
>
> Add dummies for fwnode_get_named_gpiod() and devm_get_gpiod_from_child()
> for the !GPIOLIB case to fix this.
>

Geert,

This patch looks good to me. Do you mind merging it through LED tree
with other 2 more LED patches?

Thanks,
-Bryan


> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Fixes: 40b7318319281b1b ("gpio: Support for unified device properties interface")
> ---
> include/linux/gpio/consumer.h | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
> index 3a7c9ffd5ab930b4..da042657dc31d7f5 100644
> --- a/include/linux/gpio/consumer.h
> +++ b/include/linux/gpio/consumer.h
> @@ -406,6 +406,21 @@ static inline int desc_to_gpio(const struct gpio_desc *desc)
> return -EINVAL;
> }
>
> +/* Child properties interface */
> +struct fwnode_handle;
> +
> +static inline struct gpio_desc *fwnode_get_named_gpiod(
> + struct fwnode_handle *fwnode, const char *propname)
> +{
> + return ERR_PTR(-ENOSYS);
> +}
> +
> +static inline struct gpio_desc *devm_get_gpiod_from_child(
> + struct device *dev, const char *con_id, struct fwnode_handle *child)
> +{
> + return ERR_PTR(-ENOSYS);
> +}
> +
> #endif /* CONFIG_GPIOLIB */
>
> /*
> --
> 1.9.1
>
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