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From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: [PATCH 3/13] siimage: fix wrong ->swdma_mask
Date: Mon, 12 Mar 2007 16:19:03 +0300	[thread overview]
Message-ID: <45F55347.6090301@ru.mvista.com> (raw)
In-Reply-To: <200703102337.47122.bzolnier@gmail.com>

Hello.

Bartlomiej Zolnierkiewicz wrote:

>>>[PATCH] siimage: fix wrong ->swdma_mask

>>>This driver doesn't support SWDMA so use the correct ->swdma_mask.

>>>While at it:

>>>* no need to call config_chipset_for_pio() in config_chipset_for_dma(),
>>>  if DMA is not available config_chipset_for_pio() will be called
>>>  by siimage_config_drive_for_dma() and if DMA is available
>>>  config_siimage_chipset_for_pio() will be called by siimage_tune_chipset()

>>    Ugh, this driver has such a messy code PIO-wise!  There seems to be 
>>completely no point in calling config_siimage_chipset_for_pio() from 
>>siimage_tune_chipset().  Not mentioning that tuneproc() method fails to 
>>actually control IORDY (it only twiddles IORDY bits for taskfile access). Ah, 
>>and tuneproc() fails to set the drive's own mode (as usual)... :-)

    Oh, I knew I was going to forget something: it's also limiting the PIO 
mode to the one of the slowest drive for no good reason. :-/

>>    I was going to post patches but then figured out that we don't actually 
>>support this driver, so the priority has significatly dropped. :-)

> Does it mean that I should expect more patches for other drivers? ;-)

    Certainly. We're just having a release fever, so I had to switch to fixing 
the stupid network drivers (where the breakage wasn't so obvious).

> If so I could take care of this one... :-)

    Please do. :-)

> Bart

MBR, Sergei

      reply	other threads:[~2007-03-12 13:19 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-10 21:12 [PATCH 3/13] siimage: fix wrong ->swdma_mask Bartlomiej Zolnierkiewicz
2007-03-10 21:22 ` Sergei Shtylyov
2007-03-10 22:37   ` Bartlomiej Zolnierkiewicz
2007-03-12 13:19     ` Sergei Shtylyov [this message]

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