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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-12-03 20:32:12 +0100
committerJeff Garzik <jgarzik@redhat.com>2009-12-03 16:08:30 -0500
commita809c68752e63312c20fb027cf33da4a5ac384a5 (patch)
tree825cc871d7b1b456a29ffcb52b7e2248a3c82436
parent2a2beac928dd5a3a04eb9495e3ab09519f2516f2 (diff)
pata_ns87415: Power Management fix
Fix ->resume method to do chipset specific setup. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
-rw-r--r--drivers/ata/pata_ns87415.c32
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/ata/pata_ns87415.c b/drivers/ata/pata_ns87415.c
index 773b1590b492..061aa1c41a48 100644
--- a/drivers/ata/pata_ns87415.c
+++ b/drivers/ata/pata_ns87415.c
@@ -325,6 +325,13 @@ static struct scsi_host_template ns87415_sht = {
ATA_BMDMA_SHT(DRV_NAME),
};
+static void ns87415_fixup(struct pci_dev *pdev)
+{
+ /* Select 512 byte sectors */
+ pci_write_config_byte(pdev, 0x55, 0xEE);
+ /* Select PIO0 8bit clocking */
+ pci_write_config_byte(pdev, 0x54, 0xB7);
+}
/**
* ns87415_init_one - Register 87415 ATA PCI device with kernel services
@@ -371,10 +378,8 @@ static int ns87415_init_one (struct pci_dev *pdev, const struct pci_device_id *e
if (rc)
return rc;
- /* Select 512 byte sectors */
- pci_write_config_byte(pdev, 0x55, 0xEE);
- /* Select PIO0 8bit clocking */
- pci_write_config_byte(pdev, 0x54, 0xB7);
+ ns87415_fixup(pdev);
+
return ata_pci_sff_init_one(pdev, ppi, &ns87415_sht, NULL);
}
@@ -384,6 +389,23 @@ static const struct pci_device_id ns87415_pci_tbl[] = {
{ } /* terminate list */
};
+#ifdef CONFIG_PM
+static int ns87415_reinit_one(struct pci_dev *pdev)
+{
+ struct ata_host *host = dev_get_drvdata(&pdev->dev);
+ int rc;
+
+ rc = ata_pci_device_do_resume(pdev);
+ if (rc)
+ return rc;
+
+ ns87415_fixup(pdev);
+
+ ata_host_resume(host);
+ return 0;
+}
+#endif
+
static struct pci_driver ns87415_pci_driver = {
.name = DRV_NAME,
.id_table = ns87415_pci_tbl,
@@ -391,7 +413,7 @@ static struct pci_driver ns87415_pci_driver = {
.remove = ata_pci_remove_one,
#ifdef CONFIG_PM
.suspend = ata_pci_device_suspend,
- .resume = ata_pci_device_resume,
+ .resume = ns87415_reinit_one,
#endif
};