From 5183e73a7b4d52b66b128d32665d23e4a72f7a09 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 17 Aug 2010 14:13:42 +0200 Subject: [PATCH] pata_cmd64x: revert commit 0ebc42f0 Commit 0ebc42f0 (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 Reported-and-root-caused-by: Milan Kocian Cc: Bartlomiej Zolnierkiewicz Cc: stable@kernel.org Signed-off-by: Jeff Garzik --- 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 9f5da1c7454be..905ff76d3cbbc 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); - } } } -- 2.39.5