redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

siimage: use ide_dma_test_irq() (take 2)

Browse source 
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>
This commit is contained in:
Sergei Shtylyov 2009-06-15 18:52:57 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 30e5ffc368
commit 74414a9120
1 changed files with 1 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
drivers/ide/siimage.c
View file

@ -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);
}
/**