Re: [PATCH/RFC] mmc: sh_mmcif: Increase MMCIF clock rate to 97.5MHz

Simon Horman
2014-11-21T04:09:14Z

On Thu, Nov 13, 2014 at 01:34:13AM +0000, Kuninori Morimoto wrote:
>
> Hi Simon
>
> > you are correct in assuming that this patch came from the BSP.
> >
> > Is your opinion that a) changing the clock rate is good but
> > b) it needs to be done using a standard method?
> >
> > If so, is the main change required to use a standard binding string
> > rather than "renesas,clk-rate"? Is the driver change above needed at all?
>
> I'm not 100% understand, but, maybe these settings are required for
> MMC/SHDI's good performance.
> I guess we can use CCF method for it ?

That does sound like an idea worth investigating.
I wonder what the best way is to move this forwards.