From f7a437dda2b5c104a897405cbff678aa1eb37897 Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov Date: Fri, 8 Oct 2010 19:02:13 +0400 Subject: [PATCH] pata_sl82c105: implement sff_irq_check() method Signed-off-by: Sergei Shtylyov Signed-off-by: Jeff Garzik --- drivers/ata/pata_sl82c105.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c index 98548f640c8..7f5d020ed56 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, }; /** -- 2.20.1