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pata_sil680: implement sff_irq_check() method
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Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Sergei Shtylyov authored and Jeff Garzik committed Oct 22, 2010
1 parent 606254e commit 9b980e1
Showing 1 changed file with 12 additions and 0 deletions.
12 changes: 12 additions & 0 deletions drivers/ata/pata_sil680.c
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Original file line number Diff line number Diff line change
Expand Up @@ -210,6 +210,17 @@ static void sil680_sff_exec_command(struct ata_port *ap,
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),
};
Expand All @@ -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,
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