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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:50 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:50 +0200 |
| commit | b2f951aabc9cc7d5fb987aeec9aef96ccce618a5 (patch) | |
| tree | d388e9a44a153cee8395bd7ca9eff63492ff9cfd /drivers/ide/ide-dma.c | |
| parent | c97c6aca75fd5f718056fde7cff798b8cbdb07c0 (diff) | |
| download | blackbird-op-linux-b2f951aabc9cc7d5fb987aeec9aef96ccce618a5.tar.gz blackbird-op-linux-b2f951aabc9cc7d5fb987aeec9aef96ccce618a5.zip | |
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>
Diffstat (limited to 'drivers/ide/ide-dma.c')
| -rw-r--r-- | drivers/ide/ide-dma.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 7ee44f86bc54..ebddedde24af 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -334,7 +334,7 @@ static int config_drive_for_dma (ide_drive_t *drive) 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 @@ void ide_dma_host_set(ide_drive_t *drive, int on) { 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 @@ int ide_dma_setup(ide_drive_t *drive) /* 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 @@ int __ide_dma_end (ide_drive_t *drive) /* 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 @@ EXPORT_SYMBOL(__ide_dma_end); 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) |
