ARM: shmobile: Select GPIO in case of the r8a7791 SoC

Make it possible to build GPIO on r8a7791.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index ff7c4ce8a99f68f0c06d2051c0748ebfad37f82e..4e1cc76f001b144fb85f77622912678fbfd933d0 100644 (file)
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -97,6 +97,7 @@ config ARCH_R8A7790
 
 config ARCH_R8A7791
        bool "R-Car M2 (R8A77910)"
+       select ARCH_WANT_OPTIONAL_GPIOLIB
        select ARM_GIC
        select CPU_V7
        select SH_CLK_CPG