Re: [PATCH 01/64] libata: fix CFA handling in ide_timing_compute()

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Hello.

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'?

MBR, Sergei

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