Implement test_irq() method.
Signed-off-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>
---
The patch is atop of ide-2.6.git 'for-next' branch.
drivers/ide/sl82c105.c | 11 +++++++++++
1 files changed, 11 insertions(+)
Index: ide-2.6/drivers/ide/sl82c105.c
===================================================================
--- ide-2.6.orig/drivers/ide/sl82c105.c
+++ ide-2.6/drivers/ide/sl82c105.c
@@ -115,6 +115,16 @@ static void sl82c105_set_dma_mode(ide_dr
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,
@@ -289,6 +299,7 @@ static const struct ide_port_ops sl82c10
.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 = {
--
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