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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-12-03 20:32:12 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2009-12-03 16:08:30 -0500 |
| commit | a809c68752e63312c20fb027cf33da4a5ac384a5 (patch) | |
| tree | 825cc871d7b1b456a29ffcb52b7e2248a3c82436 /drivers/ata/pata_ns87415.c | |
| parent | 2a2beac928dd5a3a04eb9495e3ab09519f2516f2 (diff) | |
| download | kernel_samsung_smdk4412-a809c68752e63312c20fb027cf33da4a5ac384a5.zip kernel_samsung_smdk4412-a809c68752e63312c20fb027cf33da4a5ac384a5.tar.gz kernel_samsung_smdk4412-a809c68752e63312c20fb027cf33da4a5ac384a5.tar.bz2 | |
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>
Diffstat (limited to 'drivers/ata/pata_ns87415.c')
| -rw-r--r-- | drivers/ata/pata_ns87415.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/ata/pata_ns87415.c b/drivers/ata/pata_ns87415.c index 773b159..061aa1c 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 }; |