On 08/17/2010 08:13 AM, Tejun Heo wrote:
Commit d62f5576 (pata_cmd64x: fix handling of address setup timings) incorrectly called ata_timing_compute() on UDMA mode on 0 @UT leading to devide by zero fault. Revert it until better fix is available. This is reported in bko#16607 by Milan Kocian who also root caused it. https://bugzilla.kernel.org/show_bug.cgi?id=16607 Signed-off-by: Tejun Heo<tj@xxxxxxxxxx> Reported-and-root-caused-by: Milan Kocian<milan.kocian@xxxxx> Cc: Bartlomiej Zolnierkiewicz<bzolnier@xxxxxxxxx> Cc: stable@xxxxxxxxxx --- drivers/ata/pata_cmd64x.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c index 9f5da1c..905ff76 100644 --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -121,14 +121,8 @@ static void cmd64x_set_timing(struct ata_port *ap, struct ata_device *adev, u8 m if (pair) { struct ata_timing tp; - ata_timing_compute(pair, pair->pio_mode,&tp, T, 0); ata_timing_merge(&t,&tp,&t, ATA_TIMING_SETUP); - if (pair->dma_mode) { - ata_timing_compute(pair, pair->dma_mode, - &tp, T, 0); - ata_timing_merge(&tp,&t,&t, ATA_TIMING_SETUP);
applied; even if not perfect, this gets us into a better state. -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
