linux-kernel - [PATCH] ARM: mach-stm32: restore reboot capabilities

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Message-Id: <20180227143607.5583-1-benjamin.gaignard@st.com>
Date:   Tue, 27 Feb 2018 15:36:07 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     linux@...linux.org.uk, mcoquelin.stm32@...il.com,
        alexandre.torgue@...com
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH] ARM: mach-stm32: restore reboot capabilities

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@...com>
---
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
-- 
2.15.0