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| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2009-06-15 18:53:00 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-06-15 18:53:00 +0200 |
| commit | 3779f818a42879038c4be8bc83123432b774279d (patch) | |
| tree | c5177aeb0858cdf85a0947d7cd407e9f70bd732a | |
| parent | ec053e4ee98b6e5a9ecf97754837b6fc989774f0 (diff) | |
| download | linux-3779f818a42879038c4be8bc83123432b774279d.tar.gz linux-3779f818a42879038c4be8bc83123432b774279d.tar.bz2 linux-3779f818a42879038c4be8bc83123432b774279d.zip | |
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>
| -rw-r--r-- | drivers/ide/sl82c105.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c index 88ac47085cd9..6246bea585c4 100644 --- a/drivers/ide/sl82c105.c +++ b/drivers/ide/sl82c105.c @@ -114,6 +114,16 @@ static void sl82c105_set_dma_mode(ide_drive_t *drive, const u8 speed) 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 @@ static const struct ide_port_ops sl82c105_port_ops = { .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 = { |