[PATCH] gpio: mockup: add sysfs dependency

[Arnd Bergmann <arnd@xxxxxxxx>]

Building the gpio-mockup driver without SYSFS results in a harmless Kconfig
warning:

warning: (GPIO_MOCKUP) selects GPIO_SYSFS which has unmet direct dependencies (GPIOLIB && SYSFS)

We can easily avoid that warning by adding a dependency on SYSFS.

Fixes: 0f98dd1b27d2 ("gpio/mockup: add virtual gpio device")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
 drivers/gpio/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 26ee00f6bd58..d011cb89d25e 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -284,7 +284,7 @@ config GPIO_MM_LANTIQ
 
 config GPIO_MOCKUP
 	tristate "GPIO Testing Driver"
-	depends on GPIOLIB
+	depends on GPIOLIB && SYSFS
 	select GPIO_SYSFS
 	help
 	  This enables GPIO Testing driver, which provides a way to test GPIO
-- 
2.9.0

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