[rt2x00-users] [PATCH 2/4] rt2x00: move disabling of DMA before loading firmware
sgruszka at redhat.com
Thu Mar 29 00:15:44 EST 2012
On Wed, Mar 28, 2012 at 11:58:45PM +1100, Julian Calaby wrote:
> > Hm. I obviously did check whether FW load does overwrite WPDMA_GLO_CFG
> > and it didn't. Maybe it's device dependent? What bothers me is that now
> > we have a (very) short window between FW load and disabling DMA.
> Stupid question: why not disable DMA before the FW load, then disable
> it afterwards just to make sure the hardware's in a known state after
> the FW load? - this will catch any errant firmwares out there and
> (mostly) eliminate the window between FW load and DMA disabling.
Yep, that seems to be the best approach.
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