[rt2x00-users] [PATCH 2/2] rt2800: nulify all last words of TXWI

Helmut Schaa helmut.schaa at googlemail.com
Fri Apr 19 21:13:34 AEST 2013


Hi Gertjan,

On Fri, Apr 19, 2013 at 11:49 AM, Gertjan van Wingerde
<gwingerde at gmail.com> wrote:
> Wouldn't it be easier / better to simply clear the whole descriptor at
> the start, instead of selective clearing parts of it after everything
> has been written already?

This would add a number of unneeded writes to DMA coherent memory.
And since the descriptor is initialized word by word Stanislaw's approach
looks reasonable to me.

Helmut




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