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>

1 files changed, 5 insertions, 2 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5b714695b01b..c7e027436f9e 100644
--- 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.