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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-05-10 00:01:09 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-05-10 00:01:09 +0200 |
| commit | 29e744d088e3555f4efbdf390f01088dd66993b6 (patch) | |
| tree | 2747692efcef505872d29e0b62cb2345b0d64978 /drivers/ide/pci/it8213.c | |
| parent | ide: rework the code for selecting the best DMA transfer mode (v3) (diff) | |
| download | linux-29e744d088e3555f4efbdf390f01088dd66993b6.tar.xz linux-29e744d088e3555f4efbdf390f01088dd66993b6.zip | |
ide: add ide_tune_dma() helper
After reworking the code responsible for selecting the best DMA
transfer mode it is now possible to add generic ide_tune_dma() helper.
Convert some IDE PCI host drivers to use it (the ones left need more work).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/pci/it8213.c')
| -rw-r--r-- | drivers/ide/pci/it8213.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c index 02b56cb7bb1b..c04a02687b95 100644 --- a/drivers/ide/pci/it8213.c +++ b/drivers/ide/pci/it8213.c @@ -197,25 +197,6 @@ static int it8213_tune_chipset (ide_drive_t *drive, u8 xferspeed) return ide_config_drive_speed(drive, speed); } -/* - * config_chipset_for_dma - configure for DMA - * @drive: drive to configure - * - * Called by the IDE layer when it wants the timings set up. - */ - -static int config_chipset_for_dma (ide_drive_t *drive) -{ - u8 speed = ide_max_dma_mode(drive); - - if (!speed) - return 0; - - it8213_tune_chipset(drive, speed); - - return ide_dma_enable(drive); -} - /** * it8213_configure_drive_for_dma - set up for DMA transfers * @drive: drive we are going to set up @@ -230,7 +211,7 @@ static int it8213_config_drive_for_dma (ide_drive_t *drive) { u8 pio; - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + if (ide_tune_dma(drive)) return 0; pio = ide_get_best_pio_mode(drive, 255, 4, NULL); |