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authorSergei Shtylyov <sshtylyov@ru.mvista.com>2009-06-15 18:52:57 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-06-15 18:52:57 +0200
commit74414a91204ee57528041f771da1fd1ee3ba64c4 (patch)
tree866ea9b70f3448867024a30803d481a5350aa9da
parent30e5ffc368ff7d96fbc7a51ede10809642b0a6df (diff)
downloadop-kernel-dev-74414a91204ee57528041f771da1fd1ee3ba64c4.zip
op-kernel-dev-74414a91204ee57528041f771da1fd1ee3ba64c4.tar.gz
siimage: use ide_dma_test_irq() (take 2)
Remove interrupt bit test (not trusted anyway) from siimage_io_dma_test_irq() and siimage_mmio_dma_test_irq() -- this allows to replace the former function with now identical ide_dma_test_irq()... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
-rw-r--r--drivers/ide/siimage.c27
1 files changed, 1 insertions, 26 deletions
diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
index 6a643fd..af4fe7c 100644
--- a/drivers/ide/siimage.c
+++ b/drivers/ide/siimage.c
@@ -338,26 +338,6 @@ static void sil_set_dma_mode(ide_drive_t *drive, const u8 speed)
sil_iowrite16(dev, ultra, ua);
}
-/* returns 1 if dma irq issued, 0 otherwise */
-static int siimage_io_dma_test_irq(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct pci_dev *dev = to_pci_dev(hwif->dev);
- u8 dma_altstat = 0;
- unsigned long addr = siimage_selreg(hwif, 1);
-
- /* return 1 if INTR asserted */
- if (inb(hwif->dma_base + ATA_DMA_STATUS) & 4)
- return 1;
-
- /* return 1 if Device INTR asserted */
- pci_read_config_byte(dev, addr, &dma_altstat);
- if (dma_altstat & 8)
- return 0; /* return 1; */
-
- return 0;
-}
-
/**
* siimage_mmio_dma_test_irq - check we caused an IRQ
* @drive: drive we are testing
@@ -369,7 +349,6 @@ static int siimage_io_dma_test_irq(ide_drive_t *drive)
static int siimage_mmio_dma_test_irq(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- unsigned long addr = siimage_selreg(hwif, 0x1);
void __iomem *sata_error_addr
= (void __iomem *)hwif->sata_scr[SATA_ERROR_OFFSET];
@@ -398,10 +377,6 @@ static int siimage_mmio_dma_test_irq(ide_drive_t *drive)
if (readb((void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)) & 4)
return 1;
- /* return 1 if Device INTR asserted */
- if (readb((void __iomem *)addr) & 8)
- return 0; /* return 1; */
-
return 0;
}
@@ -410,7 +385,7 @@ static int siimage_dma_test_irq(ide_drive_t *drive)
if (drive->hwif->host_flags & IDE_HFLAG_MMIO)
return siimage_mmio_dma_test_irq(drive);
else
- return siimage_io_dma_test_irq(drive);
+ return ide_dma_test_irq(drive);
}
/**
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