--- drivers/input/keyreset.c

+++ drivers/input/keyreset.c

@@ -21,7 +21,7 @@

#include <linux/sched.h>

#include <linux/syscalls.h>

-

+#define KEYRESET_DELAY 3*HZ

struct keyreset_state {

struct input_handler input_handler;

unsigned long keybit[BITS_TO_LONGS(KEY_CNT)];

@@ -34,15 +34,16 @@ struct keyreset_state {

int restart_disabled;

};

-int restart_requested;

+static int restart_requested;

static void deferred_restart(struct work_struct *dummy)

{

+ pr_info("keyreset::%s in\n", __func__);

restart_requested = 2;

sys_sync();

restart_requested = 3;

kernel_restart(NULL);

}

-static DECLARE_WORK(restart_work, deferred_restart);

+static DECLARE_DELAYED_WORK(restart_work, deferred_restart);

static void keyreset_event(struct input_handle *handle, unsigned int type,

unsigned int code, int value)

@@ -87,8 +88,14 @@ static void keyreset_event(struct input_

if (restart_requested)

panic("keyboard reset failed, %d", restart_requested);

pr_info("keyboard reset\n");

- schedule_work(&restart_work);

+ schedule_delayed_work(&restart_work, KEYRESET_DELAY);

restart_requested = 1;

+ } else if (restart_requested == 1) {

+ if (cancel_delayed_work(&restart_work)) {

+ pr_info("%s: cancel restart work\n", __func__);

+ restart_requested = 0;

+ } else

+ pr_info("%s: cancel failed\n", __func__);

}

done:

spin_unlock_irqrestore(&state->lock, flags);