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authorSergei Shtylyov <sshtylyov@ru.mvista.com>2010-10-08 19:01:08 +0400
committerJeff Garzik <jgarzik@redhat.com>2010-10-21 20:21:06 -0400
commit9b980e10fa7380b8315e8a414325045eab43826f (patch)
treef1edae1763c60b3d7b2f8f5034d2844c4f5f9b94 /drivers/ata/pata_sil680.c
parent606254e3c1faeb091203c58c2da8e3e4433aae6d (diff)
pata_sil680: implement sff_irq_check() method
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/pata_sil680.c')
-rw-r--r--drivers/ata/pata_sil680.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c
index 6cd52594a357..00eefbd84b33 100644
--- a/drivers/ata/pata_sil680.c
+++ b/drivers/ata/pata_sil680.c
@@ -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),
};
@@ -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,