1 files changed, 31 insertions, 16 deletions

diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index b1511f38b0e..4d06a5cda98 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -25,7 +25,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pci.h>
-#include <linux/init.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
 #include <linux/device.h>
@@ -63,6 +62,9 @@ enum {
 };
 
 static int pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
+#ifdef CONFIG_PM_SLEEP
+static int pdc2027x_reinit_one(struct pci_dev *pdev);
+#endif
 static int pdc2027x_prereset(struct ata_link *link, unsigned long deadline);
 static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev);
 static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev);
@@ -126,6 +128,10 @@ static struct pci_driver pdc2027x_pci_driver = {
 	.id_table		= pdc2027x_pci_tbl,
 	.probe			= pdc2027x_init_one,
 	.remove			= ata_pci_remove_one,
+#ifdef CONFIG_PM_SLEEP
+	.suspend		= ata_pci_device_suspend,
+	.resume			= pdc2027x_reinit_one,
+#endif
 };
 
 static struct scsi_host_template pdc2027x_sht = {
@@ -695,7 +701,8 @@ static void pdc_ata_setup_port(struct ata_ioports *port, void __iomem *base)
  * @pdev: instance of pci_dev found
  * @ent:  matching entry in the id_tbl[]
  */
-static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
+static int pdc2027x_init_one(struct pci_dev *pdev,
+			     const struct pci_device_id *ent)
 {
 	static const unsigned long cmd_offset[] = { 0x17c0, 0x15c0 };
 	static const unsigned long bmdma_offset[] = { 0x1000, 0x1008 };
@@ -754,21 +761,29 @@ static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_de
 				 IRQF_SHARED, &pdc2027x_sht);
 }
 
-/**
- * pdc2027x_init - Called after this module is loaded into the kernel.
- */
-static int __init pdc2027x_init(void)
+#ifdef CONFIG_PM_SLEEP
+static int pdc2027x_reinit_one(struct pci_dev *pdev)
 {
-	return pci_register_driver(&pdc2027x_pci_driver);
-}
+	struct ata_host *host = pci_get_drvdata(pdev);
+	unsigned int board_idx;
+	int rc;
 
-/**
- * pdc2027x_exit - Called before this module unloaded from the kernel
- */
-static void __exit pdc2027x_exit(void)
-{
-	pci_unregister_driver(&pdc2027x_pci_driver);
+	rc = ata_pci_device_do_resume(pdev);
+	if (rc)
+		return rc;
+
+	if (pdev->device == PCI_DEVICE_ID_PROMISE_20268 ||
+	    pdev->device == PCI_DEVICE_ID_PROMISE_20270)
+		board_idx = PDC_UDMA_100;
+	else
+		board_idx = PDC_UDMA_133;
+
+	if (pdc_hardware_init(host, board_idx))
+		return -EIO;
+
+	ata_host_resume(host);
+	return 0;
 }
+#endif
 
-module_init(pdc2027x_init);
-module_exit(pdc2027x_exit);
+module_pci_driver(pdc2027x_pci_driver);