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 <a...@arndb.de>
---
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
