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authorIngo Molnar <mingo@elte.hu>2010-03-09 19:11:53 +0300
committerIngo Molnar <mingo@elte.hu>2010-03-09 19:11:53 +0300
commit548b84166917d6f5e2296123b85ad24aecd3801d (patch)
tree0ab0300e23a02df0fe3c0579627e4998bb122c00 /drivers/ide/ide-timings.c
parentcfb581bcd4f8c158c6f2b48bf5e232bb9e6855c0 (diff)
parent57d54889cd00db2752994b389ba714138652e60c (diff)
downloadlinux-548b84166917d6f5e2296123b85ad24aecd3801d.tar.xz
Merge commit 'v2.6.34-rc1' into perf/urgent
Conflicts: tools/perf/util/probe-event.c Merge reason: Pick up -rc1 and resolve the conflict as well. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/ide/ide-timings.c')
-rw-r--r--drivers/ide/ide-timings.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c
index 001a56365be5..0e05f75934c9 100644
--- a/drivers/ide/ide-timings.c
+++ b/drivers/ide/ide-timings.c
@@ -166,12 +166,13 @@ int ide_timing_compute(ide_drive_t *drive, u8 speed,
if (id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */
memset(&p, 0, sizeof(p));
- if (speed <= XFER_PIO_2)
- p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO];
- else if ((speed <= XFER_PIO_4) ||
- (speed == XFER_PIO_5 && !ata_id_is_cfa(id)))
- p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO_IORDY];
- else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2)
+ if (speed >= XFER_PIO_0 && speed < XFER_SW_DMA_0) {
+ if (speed <= XFER_PIO_2)
+ p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO];
+ else if ((speed <= XFER_PIO_4) ||
+ (speed == XFER_PIO_5 && !ata_id_is_cfa(id)))
+ p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO_IORDY];
+ } else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2)
p.cycle = id[ATA_ID_EIDE_DMA_MIN];
ide_timing_merge(&p, t, t, IDE_TIMING_CYCLE | IDE_TIMING_CYC8B);
@@ -185,11 +186,10 @@ int ide_timing_compute(ide_drive_t *drive, u8 speed,
/*
* Even in DMA/UDMA modes we still use PIO access for IDENTIFY,
* S.M.A.R.T and some other commands. We have to ensure that the
- * DMA cycle timing is slower/equal than the fastest PIO timing.
+ * DMA cycle timing is slower/equal than the current PIO timing.
*/
if (speed >= XFER_SW_DMA_0) {
- u8 pio = ide_get_best_pio_mode(drive, 255, 5);
- ide_timing_compute(drive, XFER_PIO_0 + pio, &p, T, UT);
+ ide_timing_compute(drive, drive->pio_mode, &p, T, UT);
ide_timing_merge(&p, t, t, IDE_TIMING_ALL);
}