The watchdog subsystem provides an API to perform a system reboot. Use it. With this change, the arm_pm_restart callback is now optional, so check if it is set before calling it. Tested-by: Jonas Jensen <jonas.jensen@xxxxxxxxx> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- v3: Drop reboot mode and cmd string parameters from API v2: No change arch/arm/kernel/process.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 81ef686..4bfbedc 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -32,6 +32,7 @@ #include <linux/hw_breakpoint.h> #include <linux/leds.h> #include <linux/reboot.h> +#include <linux/watchdog.h> #include <asm/cacheflush.h> #include <asm/idmap.h> @@ -230,7 +231,10 @@ void machine_restart(char *cmd) local_irq_disable(); smp_send_stop(); - arm_pm_restart(reboot_mode, cmd); + if (arm_pm_restart) + arm_pm_restart(reboot_mode, cmd); + + watchdog_do_reboot(); /* Give a grace period for failure to restart of 1s */ mdelay(1000); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
