Commit 5028fbad authored by Hector Martin's avatar Hector Martin Committed by Catalin Marinas
Browse files

arm64: Set ARCH_NR_GPIO to 2048 for ARCH_APPLE 



We're already running into the 512 GPIO limit on t600[01] depending on
how many SMC GPIOs we allocate, and a 2-die version could double that.
Let's make it 2K to be safe for now.

Signed-off-by: default avatarHector Martin <marcan@marcan.st>
Acked-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220502091427.28416-1-marcan@marcan.st


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 48e6f22e

arch/arm64/Kconfig

+12 −0
Original line number Diff line number Diff line
@@ -2041,6 +2041,18 @@ config STACKPROTECTOR_PER_TASK 
	def_bool y

	depends on STACKPROTECTOR && CC_HAVE_STACKPROTECTOR_SYSREG



# 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 2048 if ARCH_APPLE

        default 0

        help

          Maximum number of GPIOs in the system.



          If unsure, leave the default value.



endmenu



menu "Boot options"