Re: [PATCH 2/3] define ARM-specific dma_coherent_write_sync

Jon Masters
2011-10-03T02:11:12Z

On Sep 6, 2011, at 11:02 AM, Mark Salter wrote:
>
> In any case, the current thinking is that the original problem with
> the USB performance seen on cortex A9 multicore is probably something
> more than just write buffer delays. Once the original problem is better
> understood, we can take another look at this patch if it is still
> needed.

Thanks again for looking into this Mark. My understanding is that this is still being investigated. I'll followup with ARM to see how that's going since I've heard nothing recently :) Meanwhile, we're continuing to carry a hack based on these patches in Fedora ARM kernels.

Jon.