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Message-ID: <46CF1F39.6000908@ru.mvista.com>
Date:	Fri, 24 Aug 2007 22:11:05 +0400
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	rah@...h.sh, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] hpt366: UltraDMA filter for SATA cards (take 2)

Bartlomiej Zolnierkiewicz wrote:

>>The Marvell bridge chips used on HighPoint SATA cards do not seem to support
>>the UltraDMA modes 1, 2, and 3 as well as any MWDMA modes, so the driver needs
>>to account for this in the udma_filter() method.  In order to achieve that, do
>>the following changes:

>>- install the method for all chips, not only HPT36x/370 and impove the code
>>  formatting by killing the extra tabs while at it;

> s/impove/improve/

    Will fix in the updated patch...

>>- add to the end of the 'switch' statement in the method cases for HPT372[AN]
>>  and HPT374 chips upon which the known SATA cards are based;

>>- use hwif->ultra_mask as a default mask for the ide_dma_filter() method to
>>  behave correctly;

    ... and I was actually going to get rid of all explict masks there, just 
modifying the 'mask' variable -- this was may paper version but I was in hury 
and forgotten to look at this particular place.

>>- move the HPT370[A] cases below the HPT36x case for consistency.

>>While at it, replace the explicit UltraDMA mode masks with ATA_UDMA* constants
>>all over the driver...

    This is certainly worth a big patch covering all PCI drivers. Maybe I'll 
cook it up.  For now, I'm going to drop this part

>>Signed-off-by: Sergei Shtylyov <sshtylyov@...mvista.com>

> applied

    ... with imminent recast. :-)

>>---
>>This is against the current Linus tree and unfortunately I was able to only
>>compile test it since that tree gives MODPOST warning and dies early on bootup.

> Is this still case?  Not an IDE problem but definitely needs fixing especially
> given that we are already in -rc3...

    Yeah, it is, at least on my Geode GX2 testing target.

>>Will hopefully finish with the patch series next weekend...

    I'll do my best (althou I've already encountered trouble with displays 
suddenly being blanked -- some{one|thing} set the standby timer to 1-2 
minutes. :-) Beside that my typing loses as an effect of some pills. +:-)

MBR, Sergei
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