linux-kernel - Re: SATA status reports update

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Message-ID: <451DE76C.5090504@garzik.org>
Date:	Fri, 29 Sep 2006 23:41:32 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Robert Hancock <hancockr@...w.ca>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	Prakash Punnoor <prakash@...noor.de>
Subject: Re: SATA status reports update

Robert Hancock wrote:
> Jeff Garzik wrote:
>> Prakash Punnoor wrote:
>>> Well, how would one debug it w/o hw docs? Or is it possible to 
>>> compare the patch with a working driver for another chipset?
>>
>> Well, it is based off of the standard ADMA[1] specification, albeit 
>> with modifications.  There is pdc_adma.c, which is also based off 
>> ADMA.  And the author (from NVIDIA) claims that the driver worked at 
>> one time, so maybe it is simply bit rot that broke the driver.
>>
>> If I knew the answer, it would be fixed, so the best answer 
>> unfortunately is "who knows".
>>
>> I wish I had the time.  But I also wish I had a team of programmers 
>> working on libata, too ;-)
> 
> Do you know exactly what is allegedly broken in that version? I see that 
> there are some functions which are just "TODO"..

I just know it was a working driver at one time.

	Jeff



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