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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-iops.c | |
| parent | c97c6aca75fd5f718056fde7cff798b8cbdb07c0 (diff) | |
| download | linux-b2f951aabc9cc7d5fb987aeec9aef96ccce618a5.tar.bz2 | |
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-iops.c')
| -rw-r--r-- | drivers/ide/ide-iops.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 44aaec256a30..a09bf4369ed8 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -103,6 +103,14 @@ void SELECT_MASK(ide_drive_t *drive, int mask) port_ops->maskproc(drive, mask); } +static u8 ide_read_sff_dma_status(ide_hwif_t *hwif) +{ + if (hwif->host_flags & IDE_HFLAG_MMIO) + return readb((void __iomem *)hwif->dma_status); + else + return inb(hwif->dma_status); +} + static void ide_tf_load(ide_drive_t *drive, ide_task_t *task) { ide_hwif_t *hwif = drive->hwif; @@ -323,6 +331,8 @@ static void ata_output_data(ide_drive_t *drive, struct request *rq, void default_hwif_transport(ide_hwif_t *hwif) { + hwif->read_sff_dma_status = ide_read_sff_dma_status; + hwif->tf_load = ide_tf_load; hwif->tf_read = ide_tf_read; |