Re: [PATCH] i2c: pca954x: Fix compilation without CONFIG_GPIOLIB

[Jean Delvare <jdelvare@suse.de>]

On Wed,  4 Jun 2014 18:56:32 +0200, Laurent Pinchart wrote:
> The pca954x driver recently switched to the GPIO descriptor API without
> including the correct <linux/gpio/consumer.h> header. This breaks
> compilation without CONFIG_GPIOLIB.
> 
> drivers/i2c/muxes/i2c-mux-pca954x.c: In function ‘pca954x_probe’:
> drivers/i2c/muxes/i2c-mux-pca954x.c:204:2: error: implicit declaration
> of function ‘devm_gpiod_get’ [-Werror=implicit-function-declaration]
>   gpio = devm_gpiod_get(&client->dev, "reset");
>   ^
> drivers/i2c/muxes/i2c-mux-pca954x.c:204:7: warning: assignment makes
> pointer from integer without a cast [enabled by default]
>   gpio = devm_gpiod_get(&client->dev, "reset");
>        ^
> drivers/i2c/muxes/i2c-mux-pca954x.c:206:3: error: implicit declaration
> of function ‘gpiod_direction_output’
> [-Werror=implicit-function-declaration]
>    gpiod_direction_output(gpio, 0);
>    ^
> cc1: some warnings being treated as errors
> make[3]: *** [drivers/i2c/muxes/i2c-mux-pca954x.o] Error 1
> 
> Fix it by including the right header.
> 
> Reported-by: Jim Davis <jim.epost@gmail.com>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
>  drivers/i2c/muxes/i2c-mux-pca954x.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> (...)

Acked-by: Jean Delvare <jdelvare@suse.de>

-- 
Jean Delvare
SUSE L3 Support