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i2c: mux: pca954x: fix dependencies

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This driver causes the following randconfig build error:

drivers/i2c/muxes/i2c-mux-pca954x.c: In function ‘pca954x_probe’:
drivers/i2c/muxes/i2c-mux-pca954x.c:204:2: error: implicit declaration
of function ‘devm_gpiod_get’ [-Werror=implicit-function-declaration]
  gpio = devm_gpiod_get(&client->dev, "reset");
  ^
drivers/i2c/muxes/i2c-mux-pca954x.c:204:7: warning: assignment makes
pointer from integer without a cast [enabled by default]
  gpio = devm_gpiod_get(&client->dev, "reset");
       ^
drivers/i2c/muxes/i2c-mux-pca954x.c:206:3: error: implicit declaration
of function ‘gpiod_direction_output’
[-Werror=implicit-function-declaration]
   gpiod_direction_output(gpio, 0);
   ^
cc1: some warnings being treated as errors
make[3]: *** [drivers/i2c/muxes/i2c-mux-pca954x.o] Error 1

This is because it is getting compiled without gpiolib, so
introduce an explicit dependency.

Reported-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Linus Walleij 2014-06-09 15:11:13 +02:00 • committed by Wolfram Sang
parent a497c3ba1d
commit e556756a63
1 changed files with 1 additions and 0 deletions
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drivers/i2c/muxes/Kconfig
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@ -40,6 +40,7 @@ config I2C_MUX_PCA9541
config I2C_MUX_PCA954x config I2C_MUX_PCA954x
tristate "Philips PCA954x I2C Mux/switches" tristate "Philips PCA954x I2C Mux/switches"
depends on GPIOLIB
help help
If you say yes here you get support for the Philips PCA954x If you say yes here you get support for the Philips PCA954x
I2C mux/switch devices. I2C mux/switch devices.