diff options
Diffstat (limited to 'drivers/ata/ata_piix.c')
| -rw-r--r-- | drivers/ata/ata_piix.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index b5f614b9c24..c33806654e4 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -173,6 +173,7 @@ 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 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); static int piix_pci_device_resume(struct pci_dev *pdev); @@ -317,8 +318,13 @@ static struct scsi_host_template piix_sht = { ATA_BMDMA_SHT(DRV_NAME), }; -static struct ata_port_operations piix_pata_ops = { +static struct ata_port_operations piix_sata_ops = { .inherits = &ata_bmdma32_port_ops, + .sff_irq_check = piix_irq_check, +}; + +static struct ata_port_operations piix_pata_ops = { + .inherits = &piix_sata_ops, .cable_detect = ata_cable_40wire, .set_piomode = piix_set_piomode, .set_dmamode = piix_set_dmamode, @@ -336,10 +342,6 @@ static struct ata_port_operations ich_pata_ops = { .set_dmamode = ich_set_dmamode, }; -static struct ata_port_operations piix_sata_ops = { - .inherits = &ata_bmdma32_port_ops, -}; - static struct ata_port_operations piix_sidpr_sata_ops = { .inherits = &piix_sata_ops, .hardreset = sata_std_hardreset, @@ -970,6 +972,14 @@ static int piix_sidpr_scr_write(struct ata_link *link, return 0; } +static bool piix_irq_check(struct ata_port *ap) +{ + if (unlikely(!ap->ioaddr.bmdma_addr)) + return false; + + return ap->ops->bmdma_status(ap) & ATA_DMA_INTR; +} + #ifdef CONFIG_PM static int piix_broken_suspend(void) { |