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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2010-01-18 07:21:41 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-01-19 01:52:32 -0800 |
| commit | 23d874054663efaf18340dc554df1b935820cbab (patch) | |
| tree | a7f9b6eba742efafe28ee6ff522a7062c3a7e9a5 /drivers | |
| parent | f6d23c2e2e398dc96c58494be2934f0c11285e3a (diff) | |
| download | op-kernel-dev-23d874054663efaf18340dc554df1b935820cbab.zip op-kernel-dev-23d874054663efaf18340dc554df1b935820cbab.tar.gz | |
cmd64x: fix handling of address setup timings
Account for the requirements of the DMA mode currently used.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/cmd64x.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c index a65a691..5f80312 100644 --- a/drivers/ide/cmd64x.c +++ b/drivers/ide/cmd64x.c @@ -88,9 +88,6 @@ static void cmd64x_program_timings(ide_drive_t *drive, u8 mode) pci_write_config_byte(dev, drwtim_regs[drive->dn], (t.active << 4) | t.recover); - if (mode >= XFER_SW_DMA_0) - return; - /* * The primary channel has individual address setup timing registers * for each drive and the hardware selects the slowest timing itself. @@ -100,11 +97,17 @@ static void cmd64x_program_timings(ide_drive_t *drive, u8 mode) if (hwif->channel) { ide_drive_t *pair = ide_get_pair_dev(drive); - ide_set_drivedata(drive, (void *)(unsigned long)t.setup); + if (pair) { + struct ide_timing tp; - if (pair) - t.setup = max_t(u8, t.setup, - (unsigned long)ide_get_drivedata(pair)); + ide_timing_compute(pair, pair->pio_mode, &tp, T, 0); + ide_timing_merge(&t, &tp, &t, IDE_TIMING_SETUP); + if (pair->dma_mode) { + ide_timing_compute(pair, pair->dma_mode, + &tp, T, 0); + ide_timing_merge(&tp, &t, &t, IDE_TIMING_SETUP); + } + } } if (t.setup > 5) /* shouldn't actually happen... */ |
