[PATCH] b43legacy: dma: cache translation (routing bits)

[Larry Finger]

On 07/21/2011 05:25 PM, Rafał Miłecki wrote:
>
> Signed-off-by: Rafał Miłecki<zajec5 at gmail.com>
> ---
> Ideally this should have been applied before:
> ssb: return correct translation bit for 64-bit DMA
>
> This is because mentioned patch added TMSHIGH register read on every
> ssb_dma_translation call which affected performance.
>
> If we can live with affected performance between that 2 commits, please
> just apply this ASAP.
>
> It affected performance (however I don't expect anything like making it
> 90% slower) is not acceptable, please revert mentioned patch, apply this
> one and then re-apply reverted patches.

I will be testing this patch ASAP. Unfortunately, my test box with a b43legacy 
device crashes on boot with wireless-testing with a fresh pull this afternoon. 
It does boot with commit d36a160 with only 70 commits between. It shouldn't take 
too long to sort out.

Larry