From b2f951aabc9cc7d5fb987aeec9aef96ccce618a5 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Wed, 23 Jul 2008 19:55:50 +0200 Subject: 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 --- drivers/ide/ide-iops.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/ide/ide-iops.c') 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; -- cgit v1.2.3