1 files changed, 9 insertions, 22 deletions

diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 623205bcd04a..4787391bb6b4 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -11,6 +11,7 @@
 #include <linux/page-flags.h>
 #include <linux/mm.h>
 #include <linux/jiffies.h>
+#include <asm/msr.h>
 #include "agp.h"
 
 /* NVIDIA registers */
@@ -261,7 +262,8 @@ static int nvidia_remove_memory(struct agp_memory *mem, off_t pg_start, int type
 static void nvidia_tlbflush(struct agp_memory *mem)
 {
 	unsigned long end;
-	u32 wbc_reg, temp;
+	u32 wbc_reg;
+	u32 __maybe_unused temp;
 	int i;
 
 	/* flush chipset */
@@ -382,7 +384,7 @@ static int agp_nvidia_probe(struct pci_dev *pdev,
 		return -ENOMEM;
 
 	bridge->driver = &nvidia_driver;
-	bridge->dev_private_data = &nvidia_private,
+	bridge->dev_private_data = &nvidia_private;
 	bridge->dev = pdev;
 	bridge->capndx = cap_ptr;
 
@@ -403,28 +405,13 @@ static void agp_nvidia_remove(struct pci_dev *pdev)
 	agp_put_bridge(bridge);
 }
 
-#ifdef CONFIG_PM
-static int agp_nvidia_suspend(struct pci_dev *pdev, pm_message_t state)
+static int agp_nvidia_resume(struct device *dev)
 {
-	pci_save_state(pdev);
-	pci_set_power_state(pdev, PCI_D3hot);
-
-	return 0;
-}
-
-static int agp_nvidia_resume(struct pci_dev *pdev)
-{
-	/* set power state 0 and restore PCI space */
-	pci_set_power_state(pdev, PCI_D0);
-	pci_restore_state(pdev);
-
 	/* reconfigure AGP hardware again */
 	nvidia_configure();
 
 	return 0;
 }
-#endif
-
 
 static const struct pci_device_id agp_nvidia_pci_table[] = {
 	{
@@ -448,15 +435,14 @@ static const struct pci_device_id agp_nvidia_pci_table[] = {
 
 MODULE_DEVICE_TABLE(pci, agp_nvidia_pci_table);
 
+static DEFINE_SIMPLE_DEV_PM_OPS(agp_nvidia_pm_ops, NULL, agp_nvidia_resume);
+
 static struct pci_driver agp_nvidia_pci_driver = {
 	.name		= "agpgart-nvidia",
 	.id_table	= agp_nvidia_pci_table,
 	.probe		= agp_nvidia_probe,
 	.remove		= agp_nvidia_remove,
-#ifdef CONFIG_PM
-	.suspend	= agp_nvidia_suspend,
-	.resume		= agp_nvidia_resume,
-#endif
+	.driver.pm	= &agp_nvidia_pm_ops,
 };
 
 static int __init agp_nvidia_init(void)
@@ -477,6 +463,7 @@ static void __exit agp_nvidia_cleanup(void)
 module_init(agp_nvidia_init);
 module_exit(agp_nvidia_cleanup);
 
+MODULE_DESCRIPTION("Nvidia AGPGART routines");
 MODULE_LICENSE("GPL and additional rights");
 MODULE_AUTHOR("NVIDIA Corporation");