On some devices, e.g. Sony Xperia M4 Aqua, warm reset is used to reboot device into bootloader and recovery mode. Instead of always doing hard reset, add a check on reboot_mode for possible warm reset. Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx> --- drivers/input/misc/pm8941-pwrkey.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c index cf8104454e74..9b14d6eb1918 100644 --- a/drivers/input/misc/pm8941-pwrkey.c +++ b/drivers/input/misc/pm8941-pwrkey.c @@ -27,6 +27,7 @@ #define PON_PS_HOLD_RST_CTL2 0x5b #define PON_PS_HOLD_ENABLE BIT(7) #define PON_PS_HOLD_TYPE_MASK 0x0f +#define PON_PS_HOLD_TYPE_WARM_RESET 1 #define PON_PS_HOLD_TYPE_SHUTDOWN 4 #define PON_PS_HOLD_TYPE_HARD_RESET 7 @@ -93,7 +94,10 @@ static int pm8941_reboot_notify(struct notifier_block *nb, break; case SYS_RESTART: default: - reset_type = PON_PS_HOLD_TYPE_HARD_RESET; + if (reboot_mode == REBOOT_WARM) + reset_type = PON_PS_HOLD_TYPE_WARM_RESET; + else + reset_type = PON_PS_HOLD_TYPE_HARD_RESET; break; } -- 2.17.1