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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>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2009-12-03 20:32:12 +01:00 committed by Jeff Garzik
parent 2a2beac928
commit a809c68752
1 changed files with 27 additions and 5 deletions
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32
drivers/ata/pata_ns87415.c
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@ -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
};