Re: [PATCH] ARM: mach-stm32: restore reboot capabilities

From: Alexandre Torgue
Date: Mon Mar 05 2018 - 03:42:12 EST


Hi Benjamin

On 02/27/2018 03:36 PM, Benjamin Gaignard wrote:
To be able to reboot the platform we need to use armv7m_restart for STM32
SoCs using ARMv7 cores.

Fixes: e0644101bd2f ("ARM: mach-stm32: prepare stm32 family to welcome armv7 architecture)

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxx>
---
NOTE: This patch should be applied only on
git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git stm32-next
until this patch: https://lkml.org/lkml/2018/2/26/386
find it way to mainline KBuild will complain about it.

arch/arm/mach-stm32/board-dt.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-stm32/board-dt.c b/arch/arm/mach-stm32/board-dt.c
index 06911ad60cea..011d57b488c2 100644
--- a/arch/arm/mach-stm32/board-dt.c
+++ b/arch/arm/mach-stm32/board-dt.c
@@ -7,6 +7,9 @@
#include <linux/kernel.h>
#include <asm/mach/arch.h>
+#ifdef CONFIG_ARM_SINGLE_ARMV7M
+#include <asm/v7m.h>
+#endif
static const char *const stm32_compat[] __initconst = {
"st,stm32f429",
@@ -20,4 +23,7 @@ static const char *const stm32_compat[] __initconst = {
DT_MACHINE_START(STM32DT, "STM32 (Device Tree Support)")
.dt_compat = stm32_compat,
+#ifdef CONFIG_ARM_SINGLE_ARMV7M
+ .restart = armv7m_restart,
+#endif
MACHINE_END

Applied on stm32-next.

Thanks.
Alex