linux-kernel - Re: PCI/IDE generic IDE driver + bus master DMA logic errors

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Date:	Wed, 4 Oct 2006 20:06:11 +0900
From:	girish <girishvg@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: PCI/IDE generic IDE driver + bus master DMA logic errors


On Oct 4, 2006, at 8:17 PM, Alan Cox wrote:

> Ar Mer, 2006-10-04 am 19:07 +0900, ysgrifennodd girish:
>> our hardware guys are designing an pci/ide controller which has
>> interrupt wrapper such that the ide & bus master interrupts are
>> packaged & delivered together.
>
> All the SFF8038i/D1510 style devices have a single interrupt line for
> IDE and for bus mastering interrupts. If your device behaves in
> accordance to D1510 the default code ought to work.
>
> Alan

thanks alan. i will have look into it.

one more question - we are planning two channel bus-mastering design.  
whether linux ide sub-system will support simultaneous dma kick  
sequences?



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