gpio: mcp23s08: depend on OF_GPIO

The MCP drivers fails to compile on trial builds due to missing
Kconfig dependency on OF_GPIO. Fix it.

Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 2d49784109b58d91c743727739694d6ee2950a47..d5bd9eece408f338f5825c6fe220c4e92e6d9ba3 100644 (file)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -717,7 +717,7 @@ config GPIO_MAX7301
 
 config GPIO_MCP23S08
        tristate "Microchip MCP23xxx I/O expander"
-       depends on (SPI_MASTER && !I2C) || I2C
+       depends on (SPI_MASTER && !I2C) || I2C && OF_GPIO
        help
          SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017
          I/O expanders.