USB mass storage and ARM cache coherency

Russell King - ARM Linux linux at
Fri Feb 26 16:49:08 EST 2010

On Sat, Feb 27, 2010 at 08:40:29AM +1100, Benjamin Herrenschmidt wrote:
> Hrm, the DMA API certainly doesn't handle the I$/D$ coherency on
> powerpc.. I'm afraid that whole cache handling stuff is totally
> inconsistent since different archs have different expectations here.

It doesn't on ARM either.

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