linux-kernel - Re: [PATCH 25/64] ide: use standard timing for XFER_PIO_SLOW mode in ide_timing

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Date:	Tue, 19 Jan 2010 16:09:42 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 25/64] ide: use standard timing for XFER_PIO_SLOW mode in ide_timing_compute()

On Tuesday 19 January 2010 10:25:26 am David Miller wrote:
> From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> Date: Mon, 18 Jan 2010 18:17:29 +0100
> 
> > From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> > Subject: [PATCH] ide: use standard timing for XFER_PIO_SLOW mode in ide_timing_compute()
> > 
> > Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> 
> Applied.

Thanks.

Here is a bonus fixup for a small issue noticed by Sergei yesterday.

From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Subject: [PATCH] ide: ide_timing_compute() fixup

XFER_SW_DMA_0 mode should be excluded from the extended cycle
timing computations.

[ This is just a documentation fix -- code inside the affected
  'if' block already makes sure to accept only PIO modes. ]

Noticed-by: Sergei Shtylyov <sshtylyov@...mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
 drivers/ide/ide-timings.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: b/drivers/ide/ide-timings.c
===================================================================
--- a/drivers/ide/ide-timings.c
+++ b/drivers/ide/ide-timings.c
@@ -166,7 +166,7 @@ int ide_timing_compute(ide_drive_t *driv
 	if (id[ATA_ID_FIELD_VALID] & 2) {	/* EIDE drive */
 		memset(&p, 0, sizeof(p));
 
-		if (speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) {
+		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) ||
--
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