Re: [PATCH 1/2] sata_nv: don't use legacy DMA in ADMA mode

• To: Robert Hancock <[email protected]>
• Subject: Re: [PATCH 1/2] sata_nv: don't use legacy DMA in ADMA mode
• From: Tejun Heo <[email protected]>
• Date: Thu, 15 Nov 2007 10:46:00 +0900
• Cc: linux-kernel <[email protected]>, ide <[email protected]>, Jeff Garzik <[email protected]>
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Tejun Heo wrote:
> If so, can you please add that switching into register mode is okay as
> long as there's no other ADMA commands in flight and add
> WARN_ON((qc->flags & ATA_QCFLAG_RESULT_TF) && link->sactive)?

More accurately, link->sactive test can be substituted with
(ap->qc_allocated & ~(1 << qc->tag)).

-- 
tejun
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