lkml.org 
[lkml]   [2022]   [May]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] arm64: Set ARCH_NR_GPIO to 2048 for ARCH_APPLE
Date
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>
---
arch/arm64/Kconfig | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 20ea89d9ac2f..b0da0a28aa2d 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -2050,6 +2050,18 @@ 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"
--
2.35.1
\
 
 \ /
  Last update: 2022-05-02 11:18    [W:0.030 / U:0.164 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site