Dear Wolfram Sang,
> Hi Marek,
>
> On Wed, Nov 21, 2012 at 06:51:28AM +0100, Marek Vasut wrote:
> > Add support for the PIO mode and mixed PIO/DMA mode support. The mixed
> > PIO/DMA is the default mode of operation. This shall leverage overhead
> > that the driver creates due to setting up DMA d
Hi Marek,
On Wed, Nov 21, 2012 at 06:51:28AM +0100, Marek Vasut wrote:
> Add support for the PIO mode and mixed PIO/DMA mode support. The mixed
> PIO/DMA is the default mode of operation. This shall leverage overhead
> that the driver creates due to setting up DMA descriptors even for very
> short
Hi Wolfram,
> On Thu, Nov 22, 2012 at 01:50:37AM +0100, Marek Vasut wrote:
> > Dear Marek Vasut,
> >
> > > Add support for the PIO mode and mixed PIO/DMA mode support. The mixed
> > > PIO/DMA is the default mode of operation. This shall leverage overhead
> > > that the driver creates due to setti
Dear Marek Vasut,
> Add support for the PIO mode and mixed PIO/DMA mode support. The mixed
> PIO/DMA is the default mode of operation. This shall leverage overhead
> that the driver creates due to setting up DMA descriptors even for very
> short transfers.
>
> The current boundary between PIO/DMA
Dear Wolfram Sang,
> On Thu, Nov 22, 2012 at 01:50:37AM +0100, Marek Vasut wrote:
> > Dear Marek Vasut,
> >
> > > Add support for the PIO mode and mixed PIO/DMA mode support. The mixed
> > > PIO/DMA is the default mode of operation. This shall leverage overhead
> > > that the driver creates due t
On Thu, Nov 22, 2012 at 01:50:37AM +0100, Marek Vasut wrote:
> Dear Marek Vasut,
>
> > Add support for the PIO mode and mixed PIO/DMA mode support. The mixed
> > PIO/DMA is the default mode of operation. This shall leverage overhead
> > that the driver creates due to setting up DMA descriptors eve
Add support for the PIO mode and mixed PIO/DMA mode support. The mixed
PIO/DMA is the default mode of operation. This shall leverage overhead
that the driver creates due to setting up DMA descriptors even for very
short transfers.
The current boundary between PIO/DMA 8 bytes, transfers shorter tha