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authorFelix Fietkau <nbd@nbd.name>2018-07-20 13:58:22 +0200
committerPaul Burton <paul.burton@mips.com>2018-07-25 03:57:49 +0200
commitf8a7bfe1cb2c1ebfa07775c9c8ac0ad3ba8e5ff5 (patch)
treea2174471a7c66500bc03b32e3cbe00191b5c9ab7 /arch/mips/ath79
parentMIPS: ath79: select the PINCTRL subsystem (diff)
downloadlinux-f8a7bfe1cb2c1ebfa07775c9c8ac0ad3ba8e5ff5.tar.xz
linux-f8a7bfe1cb2c1ebfa07775c9c8ac0ad3ba8e5ff5.zip
MIPS: ath79: fix system restart
This patch disables irq on reboot to fix hang issues that were observed due to pending interrupts. Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/19913/ Cc: James Hogan <jhogan@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org
Diffstat (limited to 'arch/mips/ath79')
-rw-r--r--arch/mips/ath79/setup.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index fed49cdc5fdf..4c7a93f4039a 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -40,6 +40,7 @@ static char ath79_sys_type[ATH79_SYS_TYPE_LEN];
static void ath79_restart(char *command)
{
+ local_irq_disable();
ath79_device_reset_set(AR71XX_RESET_FULL_CHIP);
for (;;)
if (cpu_wait)