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PM debug: allow configurable wakeup from suspend on OMAP GPtimer

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Using debugfs, export a configurable wakeup timer to be used to
wakeup system from suspend.

If a non-zero value is written to
/debug/pm_debug/wakeup_timer_seconds, A timer wakeup event will wake
the system and resume after the configured number of seconds.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Kevin Hilman
2009-10-06 14:30:23 -07:00
parent c40552bc82
commit d7814e4df6
4 changed files with 28 additions and 0 deletions
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2
arch/arm/mach-omap2/pm-debug.c
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@@ -596,6 +596,8 @@ static int __init pm_dbg_init(void)
&enable_off_mode, &pm_dbg_option_fops);
(void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUGO, d,
&sleep_while_idle, &pm_dbg_option_fops);
(void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUGO, d,
&wakeup_timer_seconds, &pm_dbg_option_fops);
pm_dbg_init_done = 1;
return 0;