Bartlomiej Zolnierkiewicz wrote:
From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Subject: [PATCH] libata: fix CFA handling in ide_timing_compute()
Use standard cycle timing for CFA PIO5 and PIO6 modes.
Based on commit 74638c8 for IDE subsystem.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ata/libata-core.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
Index: b/drivers/ata/libata-core.c
===================================================================
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3211,6 +3211,7 @@ const struct ata_timing *ata_timing_find
int ata_timing_compute(struct ata_device *adev, unsigned short speed,
struct ata_timing *t, int T, int UT)
{
+ const u16 *id = adev->id;
const struct ata_timing *s;
struct ata_timing p;
@@ -3228,14 +3229,18 @@ int ata_timing_compute(struct ata_device
* PIO/MW_DMA cycle timing.
*/
- if (adev->id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */
+ if (id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */
memset(&p, 0, sizeof(p));
+
if (speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) {
BTW, shouldn't this actually be 'speed < XFER_SW_DMA_0'?
Good catch, I'll fix the patch later (would you be willing to fix
ide-timings.c side of things?).
I don't see what to fix there?..
MBR, Sergei
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