diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/ata_piix.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index d712675d0a96..1b40684111c0 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -175,6 +175,8 @@ static int piix_sidpr_scr_read(struct ata_link *link, unsigned int reg, u32 *val); static int piix_sidpr_scr_write(struct ata_link *link, unsigned int reg, u32 val); +static int piix_sidpr_set_lpm(struct ata_link *link, enum ata_lpm_policy policy, + unsigned hints); static bool piix_irq_check(struct ata_port *ap); #ifdef CONFIG_PM static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg); @@ -348,11 +350,22 @@ static struct ata_port_operations ich_pata_ops = { .set_dmamode = ich_set_dmamode, }; +static struct device_attribute *piix_sidpr_shost_attrs[] = { + &dev_attr_link_power_management_policy, + NULL +}; + +static struct scsi_host_template piix_sidpr_sht = { + ATA_BMDMA_SHT(DRV_NAME), + .shost_attrs = piix_sidpr_shost_attrs, +}; + static struct ata_port_operations piix_sidpr_sata_ops = { .inherits = &piix_sata_ops, .hardreset = sata_std_hardreset, .scr_read = piix_sidpr_scr_read, .scr_write = piix_sidpr_scr_write, + .set_lpm = piix_sidpr_set_lpm, }; static const struct piix_map_db ich5_map_db = { @@ -984,6 +997,12 @@ static int piix_sidpr_scr_write(struct ata_link *link, return 0; } +static int piix_sidpr_set_lpm(struct ata_link *link, enum ata_lpm_policy policy, + unsigned hints) +{ + return sata_link_scr_lpm(link, policy, false); +} + static bool piix_irq_check(struct ata_port *ap) { if (unlikely(!ap->ioaddr.bmdma_addr)) @@ -1543,6 +1562,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev, struct device *dev = &pdev->dev; struct ata_port_info port_info[2]; const struct ata_port_info *ppi[] = { &port_info[0], &port_info[1] }; + struct scsi_host_template *sht = &piix_sht; unsigned long port_flags; struct ata_host *host; struct piix_host_priv *hpriv; @@ -1612,6 +1632,8 @@ static int __devinit piix_init_one(struct pci_dev *pdev, rc = piix_init_sidpr(host); if (rc) return rc; + if (host->ports[0]->ops == &piix_sidpr_sata_ops) + sht = &piix_sidpr_sht; } /* apply IOCFG bit18 quirk */ @@ -1638,7 +1660,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev, host->flags |= ATA_HOST_PARALLEL_SCAN; pci_set_master(pdev); - return ata_pci_sff_activate_host(host, ata_bmdma_interrupt, &piix_sht); + return ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht); } static void piix_remove_one(struct pci_dev *pdev) |