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| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2010-10-08 19:02:13 +0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2010-10-21 20:21:06 -0400 |
| commit | f7a437dda2b5c104a897405cbff678aa1eb37897 (patch) | |
| tree | ac988c086820e2547db501761fca4f52857e23c7 /drivers/ata/pata_sl82c105.c | |
| parent | 9b980e10fa7380b8315e8a414325045eab43826f (diff) | |
| download | lwn-f7a437dda2b5c104a897405cbff678aa1eb37897.tar.gz lwn-f7a437dda2b5c104a897405cbff678aa1eb37897.zip | |
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/pata_sl82c105.c')
| -rw-r--r-- | drivers/ata/pata_sl82c105.c | 11 |
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, }; /** |