gpio: mcp23s08: Select REGMAP/REGMAP_I2C to fix build error
This driver now using devm_regmap_init/devm_regmap_init_i2c, so it needs
to select REGMAP/REGMAP_I2C accordingly.
Fixes: ("3d84fdb3f0b5 gpio: mcp23s08: use regmap")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-By: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 2d77392..28e6219 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -1213,6 +1213,8 @@
tristate "Microchip MCP23xxx I/O expander"
depends on OF_GPIO
select GPIOLIB_IRQCHIP
+ select REGMAP_I2C if I2C
+ select REGMAP if SPI_MASTER
help
SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
I/O expanders.