Re: Compact Flash Serial ATA patch

[Russell McConnachie]

Hi Matt,

The patch which stopped the DMA problems was adding the model ID to the
dma blacklist in the libata-core.c file. I will create another patch in
unified diff format, it seems that compact flash uses different device
IDs than regular ATA/ATAPI devices.

On Tue, 2006-05-23 at 10:23 -0700, Matthew Dharm wrote:
> On Tue, May 23, 2006 at 04:16:37AM -0600, Russell McConnachie wrote:
> > I was having some trouble with a serial ATA compact flash adapter with
> > libata. I wrote a small patch for the kernel to work around the sanity
> > check, dma blacklisting and device ID detections in ata_dev_classify(). 
> 
> I've had this problem, too.  Apparently, my CF/SATA bridge doesn't support
> DMA, but libata requires it.
> 
> I don't know if this is the right fix (if nothing else the patch needs to
> be sent in unified diff format), but it's certainly something that needs
> fixing.
> 
> Matt
> 
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