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authorSergei Shtylyov <sshtylyov@ru.mvista.com>2010-10-08 19:02:13 +0400
committerJeff Garzik <jgarzik@redhat.com>2010-10-21 20:21:06 -0400
commitf7a437dda2b5c104a897405cbff678aa1eb37897 (patch)
treeac988c086820e2547db501761fca4f52857e23c7 /drivers/ata
parent9b980e10fa7380b8315e8a414325045eab43826f (diff)
downloadlinux-f7a437dda2b5c104a897405cbff678aa1eb37897.tar.bz2
pata_sl82c105: 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')
-rw-r--r--drivers/ata/pata_sl82c105.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c
index 98548f640c8e..7f5d020ed56c 100644
--- a/drivers/ata/pata_sl82c105.c
+++ b/drivers/ata/pata_sl82c105.c
@@ -227,6 +227,16 @@ static int sl82c105_qc_defer(struct ata_queued_cmd *qc)
return 0;
}
+static bool sl82c105_sff_irq_check(struct ata_port *ap)
+{
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ u32 val, mask = ap->port_no ? CTRL_IDE_IRQB : CTRL_IDE_IRQA;
+
+ pci_read_config_dword(pdev, 0x40, &val);
+
+ return val & mask;
+}
+
static struct scsi_host_template sl82c105_sht = {
ATA_BMDMA_SHT(DRV_NAME),
};
@@ -239,6 +249,7 @@ static struct ata_port_operations sl82c105_port_ops = {
.cable_detect = ata_cable_40wire,
.set_piomode = sl82c105_set_piomode,
.prereset = sl82c105_pre_reset,
+ .sff_irq_check = sl82c105_sff_irq_check,
};
/**