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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-31 20:15:21 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-31 20:15:21 +0200 |
| commit | 7526efaafdc835b8d6b22aa1a302e14651373908 (patch) | |
| tree | 7f91c0ef98ca77cb844417b56e5051d9b700db65 /drivers/ide/trm290.c | |
| parent | a6d67ffa7dfe9515d8f2051a76b14c82b748475a (diff) | |
| download | linux-7526efaafdc835b8d6b22aa1a302e14651373908.tar.bz2 | |
trm290: use custom ->dma_{start,end} to handle trm290_prepare_drive()
Use custom ->dma_{start,end} methods to handle trm290_prepare_drive()
there instead of in ->dma_setup method.
There should be no functional changes caused by this patch
(DMA support is disabled currently in trm290.c).
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/trm290.c')
| -rw-r--r-- | drivers/ide/trm290.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/ide/trm290.c b/drivers/ide/trm290.c index 8dd3d8226870..b91bb709af40 100644 --- a/drivers/ide/trm290.c +++ b/drivers/ide/trm290.c @@ -184,7 +184,6 @@ static int trm290_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) if (cmd->tf_flags & IDE_TFLAG_WRITE) { #ifdef TRM290_NO_DMA_WRITES /* always use PIO for writes */ - trm290_prepare_drive(drive, 0); /* select PIO xfer */ return 1; #endif rw = 1; @@ -195,11 +194,8 @@ static int trm290_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) if (count == 0) { ide_map_sg(drive, cmd); /* try PIO instead of DMA */ - trm290_prepare_drive(drive, 0); /* select PIO xfer */ return 1; } - /* select DMA xfer */ - trm290_prepare_drive(drive, 1); outl(hwif->dmatable_dma | rw, hwif->dma_base); drive->waiting_for_dma = 1; /* start DMA */ @@ -209,6 +205,7 @@ static int trm290_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) static void trm290_dma_start(ide_drive_t *drive) { + trm290_prepare_drive(drive, 1); } static int trm290_dma_end(ide_drive_t *drive) @@ -219,6 +216,8 @@ static int trm290_dma_end(ide_drive_t *drive) status = inw(drive->hwif->dma_base + 2); + trm290_prepare_drive(drive, 0); + return status != 0x00ff; } |