diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c
index 52c0a09..2a87cec 100644
--- a/drivers/char/agp/efficeon-agp.c
+++ b/drivers/char/agp/efficeon-agp.c
@@ -408,7 +408,7 @@
 	agp_put_bridge(bridge);
 }
 
-static int agp_efficeon_suspend(struct pci_dev *dev, u32 state)
+static int agp_efficeon_suspend(struct pci_dev *dev, pm_message_t state)
 {
 	return 0;
 }
diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c
index ec66639..8e61be3 100644
--- a/drivers/char/s3c2410-rtc.c
+++ b/drivers/char/s3c2410-rtc.c
@@ -515,7 +515,7 @@
 
 static int ticnt_save;
 
-static int s3c2410_rtc_suspend(struct device *dev, u32 state, u32 level)
+static int s3c2410_rtc_suspend(struct device *dev, pm_message_t state, u32 level)
 {
 	struct rtc_time tm;
 	struct timespec time;
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index f97a8a9..c812191 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1103,7 +1103,7 @@
 #ifdef CONFIG_PM
 static int old_camera_power;
 
-static int sonypi_suspend(struct device *dev, u32 state, u32 level)
+static int sonypi_suspend(struct device *dev, pm_message_t state, u32 level)
 {
 	if (level == SUSPEND_DISABLE) {
 		old_camera_power = sonypi_device.camera_power;
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 8318268..ca36087 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -567,7 +567,7 @@
  * We are about to suspend. Save the TPM state
  * so that it can be restored.
  */
-int tpm_pm_suspend(struct pci_dev *pci_dev, u32 pm_state)
+int tpm_pm_suspend(struct pci_dev *pci_dev, pm_message_t pm_state)
 {
 	struct tpm_chip *chip = pci_get_drvdata(pci_dev);
 	if (chip == NULL)
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 575cf5a..de0c796 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -89,5 +89,5 @@
 			 loff_t *);
 extern ssize_t tpm_read(struct file *, char __user *, size_t, loff_t *);
 extern void __devexit tpm_remove(struct pci_dev *);
-extern int tpm_pm_suspend(struct pci_dev *, u32);
+extern int tpm_pm_suspend(struct pci_dev *, pm_message_t);
 extern int tpm_pm_resume(struct pci_dev *);