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Commit 2a6ad871 authored by Maxime Ripard's avatar Maxime Ripard Committed by Arnd Bergmann
Browse files

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: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 51c66cf9

arch/arm/Kconfig

+5 −2
Original line number Diff line number Diff line
@@ -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.