[PATCH]: [MPC5200] Add ATA DMA support

Grant Likely grant.likely at secretlab.ca
Tue Jan 6 02:31:33 EST 2009


On Mon, Jan 5, 2009 at 2:25 AM, Lehmann, Hans (Ritter Elektronik)
<hans.lehmann at ritter-elektronik.de> wrote:
>> Hans, what ATA modes do you see this problem in?  UDMA?  MWDMA?  Or does just having the patch applied but still using PIO mode expose the problem?
>
>
> This problem occurs in MWDMA 2 mode.

Thanks Hans.  DMA support is now in mainline, but it is disabled by
default.  It shouldn't break anything if MWDMA or UDMA does not get
enabled.  Let me know if it causes you any problems.

g.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.



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