X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fbase%2Fpower%2Fresume.c;h=317edbf0feca6b383fb95980968c28b9947e2970;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=f8f5055754d65b3fd1c41348dade1e1092b9bc5e;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c
index f8f505575..317edbf0f 100644
--- a/drivers/base/power/resume.c
+++ b/drivers/base/power/resume.c
@@ -9,10 +9,9 @@
  */
 
 #include <linux/device.h>
+#include "../base.h"
 #include "power.h"
 
-extern int sysdev_resume(void);
-
 
 /**
  *	resume_device - Restore state for one device.
@@ -22,9 +21,22 @@ extern int sysdev_resume(void);
 
 int resume_device(struct device * dev)
 {
-	if (dev->bus && dev->bus->resume)
-		return dev->bus->resume(dev);
-	return 0;
+	int error = 0;
+
+	down(&dev->sem);
+	if (dev->power.pm_parent
+			&& dev->power.pm_parent->power.power_state.event) {
+		dev_err(dev, "PM: resume from %d, parent %s still %d\n",
+			dev->power.power_state.event,
+			dev->power.pm_parent->bus_id,
+			dev->power.pm_parent->power.power_state.event);
+	}
+	if (dev->bus && dev->bus->resume) {
+		dev_dbg(dev,"resuming\n");
+		error = dev->bus->resume(dev);
+	}
+	up(&dev->sem);
+	return error;
 }
 
 
@@ -41,7 +53,7 @@ void dpm_resume(void)
 		list_add_tail(entry, &dpm_active);
 
 		up(&dpm_list_sem);
-		if (!dev->power.prev_state)
+		if (!dev->power.prev_state.event)
 			resume_device(dev);
 		down(&dpm_list_sem);
 		put_device(dev);