linux-kernel - Re: RESEND: [PATCH] libata-sff: Fix oops reported in kerneloops.org for pnp devices with no ctl

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Message-ID: <483F049E.2090809@garzik.org>
Date:	Thu, 29 May 2008 15:31:42 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: RESEND: [PATCH] libata-sff: Fix oops reported in kerneloops.org
 for pnp devices with no ctl

Alan Cox wrote:
>> Please grep the remaining users, IMO you will find that's not really 
>> true.  After your patch no core users remain, only ones in a few 
>> scattered drivers that most likely want your logic (or a 
>> simplified-for-that-controller version thereof).
> 
> That said if you want to be clearer we can hide the altstatus function
> internally and only export an ata_sff_dma_sync() which does go *BANG* if
> you call it with no altstatus (where you would immediately violate DMA
> timing rules)
> 
> Want me to roll a patch in that style ?

Works for me...


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