diff options
| 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/sis5513.c | |
| parent | 2d5eaa6dd744a641e75503232a01f52d0768884c (diff) | |
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/sis5513.c')
| -rw-r--r-- | drivers/ide/pci/sis5513.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c index 83c80ed73e99..41953fe4fa6b 100644 --- a/drivers/ide/pci/sis5513.c +++ b/drivers/ide/pci/sis5513.c @@ -638,32 +638,13 @@ static void sis5513_tune_drive (ide_drive_t *drive, u8 pio) (void) config_chipset_for_pio(drive, pio); } -/* - * ((id->hw_config & 0x4000|0x2000) && (HWIF(drive)->udma_four)) - */ -static int config_chipset_for_dma (ide_drive_t *drive) -{ - u8 speed = ide_max_dma_mode(drive); - -#ifdef DEBUG - printk("SIS5513: config_chipset_for_dma, drive %d, ultra %x\n", - drive->dn, drive->id->dma_ultra); -#endif - - if (!(speed)) - return 0; - - sis5513_tune_chipset(drive, speed); - return ide_dma_enable(drive); -} - static int sis5513_config_xfer_rate(ide_drive_t *drive) { config_art_rwp_pio(drive, 5); drive->init_speed = 0; - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + if (ide_tune_dma(drive)) return 0; if (ide_use_fast_pio(drive)) |