Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/hfsplus
[pandora-kernel.git] / arch / arm / mach-omap2 / pm-debug.c
index 056ff17..5e81517 100644 (file)
@@ -31,6 +31,7 @@
 #include <plat/board.h>
 #include <plat/powerdomain.h>
 #include <plat/clockdomain.h>
+#include <plat/dmtimer.h>
 
 #include "prm.h"
 #include "cm.h"
@@ -166,7 +167,7 @@ void omap2_pm_dump(int mode, int resume, unsigned int us)
 
 static void pm_dbg_regset_store(u32 *ptr);
 
-struct dentry *pm_dbg_dir;
+static struct dentry *pm_dbg_dir;
 
 static int pm_dbg_init_done;
 
@@ -353,6 +354,23 @@ void pm_dbg_update_time(struct powerdomain *pwrdm, int prev)
        pwrdm->timer = t;
 }
 
+void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds)
+{
+       u32 tick_rate, cycles;
+
+       if (!seconds && !milliseconds)
+               return;
+
+       tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer_wakeup));
+       cycles = tick_rate * seconds + tick_rate * milliseconds / 1000;
+       omap_dm_timer_stop(gptimer_wakeup);
+       omap_dm_timer_set_load_start(gptimer_wakeup, 0, 0xffffffff - cycles);
+
+       pr_info("PM: Resume timer in %u.%03u secs"
+               " (%d ticks at %d ticks/sec.)\n",
+               seconds, milliseconds, cycles, tick_rate);
+}
+
 static int clkdm_dbg_show_counter(struct clockdomain *clkdm, void *user)
 {
        struct seq_file *s = (struct seq_file *)user;
@@ -620,6 +638,9 @@ static int __init pm_dbg_init(void)
                                   &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);
+       (void) debugfs_create_file("wakeup_timer_milliseconds",
+                       S_IRUGO | S_IWUGO, d, &wakeup_timer_milliseconds,
+                       &pm_dbg_option_fops);
        pm_dbg_init_done = 1;
 
        return 0;