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>

1 files changed, 1 insertions, 26 deletions

diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
index 6a643fdf0e6e..af4fe7c48a01 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);
 }
 
 /**