RE: [PATCH] gpio: xra1403: select REGMAP_SPI
From: Han, Nandor (GE Healthcare)
Date: Tue May 30 2017 - 07:49:07 EST
> -----Original Message-----
> From: Arnd Bergmann [mailto:arnd@xxxxxxxx]
> Sent: 30 May 2017 14:13
> To: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Cc: Han, Nandor (GE Healthcare) <nandor.han@xxxxxx>; Arnd Bergmann <arnd@xxxxxxxx>; linux-gpio@xxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx
> Subject: EXT: [PATCH] gpio: xra1403: select REGMAP_SPI
>
> Without the regmap code, we get a link error:
>
> drivers/gpio/built-in.o: In function `xra1403_probe':
> (.text+0x132e0): undefined reference to `__devm_regmap_init_spi'
>
> Fixes: 5704520d7880 ("gpio: xra1403: Add EXAR XRA1403 SPI GPIO expander driver")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Reviewed-by: Nandor Han <nandor.han@xxxxxx>
> ---
> drivers/gpio/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index 66d1f353ca73..238fc231081a 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -1241,6 +1241,7 @@ config GPIO_PISOSR
>
> config GPIO_XRA1403
> tristate "EXAR XRA1403 16-bit GPIO expander"
> + select REGMAP_SPI
> help
> GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
>
> --
> 2.9.0