ide: add ->read_sff_dma_status method
Add ->read_sff_dma_status method for reading DMA Status register
and use it instead of ->INB.
While at it:
* Use inb() directly in ns87415.c::ns87415_dma_end().
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 7ee44f8..ebddedd 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -334,7 +334,7 @@
static int dma_timer_expiry (ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
- u8 dma_stat = hwif->INB(hwif->dma_status);
+ u8 dma_stat = hwif->read_sff_dma_status(hwif);
printk(KERN_WARNING "%s: dma_timer_expiry: dma status == 0x%02x\n",
drive->name, dma_stat);
@@ -369,7 +369,7 @@
{
ide_hwif_t *hwif = HWIF(drive);
u8 unit = (drive->select.b.unit & 0x01);
- u8 dma_stat = hwif->INB(hwif->dma_status);
+ u8 dma_stat = hwif->read_sff_dma_status(hwif);
if (on)
dma_stat |= (1 << (5 + unit));
@@ -472,8 +472,8 @@
/* specify r/w */
hwif->OUTB(reading, hwif->dma_command);
- /* read dma_status for INTR & ERROR flags */
- dma_stat = hwif->INB(hwif->dma_status);
+ /* read DMA status for INTR & ERROR flags */
+ dma_stat = hwif->read_sff_dma_status(hwif);
/* clear INTR & ERROR flags */
hwif->OUTB(dma_stat|6, hwif->dma_status);
@@ -520,7 +520,7 @@
/* stop DMA */
hwif->OUTB(dma_cmd&~1, hwif->dma_command);
/* get DMA status */
- dma_stat = hwif->INB(hwif->dma_status);
+ dma_stat = hwif->read_sff_dma_status(hwif);
/* clear the INTR & ERROR bits */
hwif->OUTB(dma_stat|6, hwif->dma_status);
/* purge DMA mappings */
@@ -537,7 +537,7 @@
int ide_dma_test_irq(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
- u8 dma_stat = hwif->INB(hwif->dma_status);
+ u8 dma_stat = hwif->read_sff_dma_status(hwif);
/* return 1 if INTR asserted */
if ((dma_stat & 4) == 4)