diff options
| author | Hector Martin <marcan@marcan.st> | 2022-05-02 11:14:27 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2022-05-04 17:33:48 +0200 |
| commit | 5028fbad2d57910e8c776ba1c868da0e4f64978f (patch) | |
| tree | 5c55d31a06e91d70ca421b1518aad9729c7cf006 /arch/arm64/Kconfig | |
| parent | arm64: cputype: Avoid overflow using MIDR_IMPLEMENTOR_MASK (diff) | |
| download | linux-5028fbad2d57910e8c776ba1c868da0e4f64978f.tar.xz linux-5028fbad2d57910e8c776ba1c868da0e4f64978f.zip | |
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: Hector Martin <marcan@marcan.st>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220502091427.28416-1-marcan@marcan.st
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 57c4c995965f..764433588fdd 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -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" |