sl82c105: implement test_irq() method
Implement test_irq() method.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
index 88ac470..6246bea5 100644
--- a/drivers/ide/sl82c105.c
+++ b/drivers/ide/sl82c105.c
@@ -114,6 +114,16 @@
drive->drive_data |= (unsigned long)drv_ctrl << 16;
}
+static int sl82c105_test_irq(ide_hwif_t *hwif)
+{
+ struct pci_dev *dev = to_pci_dev(hwif->dev);
+ u32 val, mask = hwif->channel ? CTRL_IDE_IRQB : CTRL_IDE_IRQA;
+
+ pci_read_config_dword(dev, 0x40, &val);
+
+ return (val & mask) ? 1 : 0;
+}
+
/*
* The SL82C105 holds off all IDE interrupts while in DMA mode until
* all DMA activity is completed. Sometimes this causes problems (eg,
@@ -288,6 +298,7 @@
.set_pio_mode = sl82c105_set_pio_mode,
.set_dma_mode = sl82c105_set_dma_mode,
.resetproc = sl82c105_resetproc,
+ .test_irq = sl82c105_test_irq,
};
static const struct ide_dma_ops sl82c105_dma_ops = {