diff options
Diffstat (limited to 'drivers/ata/pata_sil680.c')
-rw-r--r-- | drivers/ata/pata_sil680.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c index d3190d7ec304..00eefbd84b33 100644 --- a/drivers/ata/pata_sil680.c +++ b/drivers/ata/pata_sil680.c @@ -202,14 +202,25 @@ static void sil680_set_dmamode(struct ata_port *ap, struct ata_device *adev) * LOCKING: * spin_lock_irqsave(host lock) */ -void sil680_sff_exec_command(struct ata_port *ap, - const struct ata_taskfile *tf) +static void sil680_sff_exec_command(struct ata_port *ap, + const struct ata_taskfile *tf) { DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command); iowrite8(tf->command, ap->ioaddr.command_addr); ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); } +static bool sil680_sff_irq_check(struct ata_port *ap) +{ + struct pci_dev *pdev = to_pci_dev(ap->host->dev); + unsigned long addr = sil680_selreg(ap, 1); + u8 val; + + pci_read_config_byte(pdev, addr, &val); + + return val & 0x08; +} + static struct scsi_host_template sil680_sht = { ATA_BMDMA_SHT(DRV_NAME), }; @@ -218,6 +229,7 @@ static struct scsi_host_template sil680_sht = { static struct ata_port_operations sil680_port_ops = { .inherits = &ata_bmdma32_port_ops, .sff_exec_command = sil680_sff_exec_command, + .sff_irq_check = sil680_sff_irq_check, .cable_detect = sil680_cable_detect, .set_piomode = sil680_set_piomode, .set_dmamode = sil680_set_dmamode, |