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cmd640: implement test_irq() method 

Implement test_irq() method, adding the drive 2/3 interrupt bit definition.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Sergei Shtylyov 2009-06-15 18:52:58 +02:00 committed by Bartlomiej Zolnierkiewicz
parent f4d3ffa52a
commit 87441db22f
1 changed files with 13 additions and 0 deletions
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13
drivers/ide/cmd640.c
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@ -153,6 +153,7 @@ static int cmd640_vlb;
#define ARTTIM23 0x57
#define ARTTIM23_DIS_RA2 0x04
#define ARTTIM23_DIS_RA3 0x08
#define ARTTIM23_IDE23INTR 0x10
#define DRWTIM23 0x58
#define BRST 0x59
@ -629,12 +630,24 @@ static void cmd640_init_dev(ide_drive_t *drive)
#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */
}
static int cmd640_test_irq(ide_hwif_t *hwif)
{
struct pci_dev *dev = to_pci_dev(hwif->dev);
int irq_reg = hwif->channel ? ARTTIM23 : CFR;
u8 irq_stat, irq_mask = hwif->channel ? ARTTIM23_IDE23INTR :
CFR_IDE01INTR;
pci_read_config_byte(dev, irq_reg, &irq_stat);
return (irq_stat & irq_mask) ? 1 : 0;
}
static const struct ide_port_ops cmd640_port_ops = {
.init_dev = cmd640_init_dev,
#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED
.set_pio_mode = cmd640_set_pio_mode,
#endif
.test_irq = cmd640_test_irq,
};
static int pci_conf1(void)