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Date:	Mon, 18 Jan 2010 21:57:10 +0300
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/64] libata: fix CFA handling in ide_timing_compute()

Bartlomiej Zolnierkiewicz wrote:

>>> From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
>>> 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@...il.com>
>>> ---
>>>  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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