[PATCH] gpio: GPIO_SAMA5D2_PIOBU should depend on ARCH_AT91

[Geert Uytterhoeven]

The SAMA5D2 PIOBU is only present on some AT91/Microchip SoCs.  Hence
add a dependency on ARCH_AT91, to prevent asking the user about this
driver when configuring a kernel without AT91/Microchip SoC support.

Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
 drivers/gpio/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 63a89ff7865e374f..1852656d5eb248f6 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -553,6 +553,7 @@ config GPIO_SAMA5D2_PIOBU
 	tristate "SAMA5D2 PIOBU GPIO support"
 	depends on MFD_SYSCON
 	depends on OF_GPIO
+	depends on ARCH_AT91 || COMPILE_TEST
 	select GPIO_SYSCON
 	help
 	  Say yes here to use the PIOBU pins as GPIOs.
-- 
2.25.1