ARM: multiplatform: Sort the max gpio numbers.

When building a multiplatform kernel, we could end up with a smaller
number of GPIOs than the one required by the platform the kernel was
running on.

Sort the max GPIO number by descending order so that we always take the
highest number required.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5b71469..c7e0274 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1657,13 +1657,16 @@ config LOCAL_TIMERS
          accounting to be spread across the timer interval, preventing a
          "thundering herd" at every timer tick.
 
+# The GPIO number here must be sorted by descending number. In case of
+# a multiplatform kernel, we just want the highest value required by the
+# selected platforms.
 config ARCH_NR_GPIO
        int
        default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
-       default 355 if ARCH_U8500
-       default 264 if MACH_H4700
        default 512 if SOC_OMAP5
+       default 355 if ARCH_U8500
        default 288 if ARCH_VT8500 || ARCH_SUNXI
+       default 264 if MACH_H4700
        default 0
        help
          Maximum number of GPIOs in the system.