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@arndb.de>
Reviewed-by:  Nandor Han <nandor.han@ge.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 89e805fc5eba0c133151661e8bbceec5949e1d5f..ee0bb47bf02e5dd5e84949f1d09ed61119403452 100644 (file)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -1229,6 +1229,7 @@ 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.