From b2dec48ccaad004fc706352f82725d43369d9bd7 Mon Sep 17 00:00:00 2001 From: Saeed Bishara Date: Sun, 6 Dec 2009 18:26:22 +0200 Subject: [PATCH] sata_mv: add power management support for the PCI controllers. Signed-off-by: Saeed Bishara Signed-off-by: Jeff Garzik --- drivers/ata/sata_mv.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 53a1d97cd9a..73768195ccc 100755 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -4161,6 +4161,9 @@ static struct platform_driver mv_platform_driver = { #ifdef CONFIG_PCI static int mv_pci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); +#ifdef CONFIG_PM +static int mv_pci_device_resume(struct pci_dev *pdev); +#endif static struct pci_driver mv_pci_driver = { @@ -4168,6 +4171,11 @@ static struct pci_driver mv_pci_driver = { .id_table = mv_pci_tbl, .probe = mv_pci_init_one, .remove = ata_pci_remove_one, +#ifdef CONFIG_PM + .suspend = ata_pci_device_suspend, + .resume = mv_pci_device_resume, +#endif + }; /* move to PCI layer or libata core? */ @@ -4324,6 +4332,27 @@ static int mv_pci_init_one(struct pci_dev *pdev, return ata_host_activate(host, pdev->irq, mv_interrupt, IRQF_SHARED, IS_GEN_I(hpriv) ? &mv5_sht : &mv6_sht); } + +#ifdef CONFIG_PM +static int mv_pci_device_resume(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; + + /* initialize adapter */ + rc = mv_init_host(host); + if (rc) + return rc; + + ata_host_resume(host); + + return 0; +} +#endif #endif static int mv_platform_probe(struct platform_device *pdev); -- 2.39.2