[GIT PULL 1/2] SOCFPGA updates for 3.18

Marek Vasut marex at denx.de
Wed Sep 10 07:36:47 PDT 2014


On Tuesday, September 09, 2014 at 11:02:32 PM, Pavel Machek wrote:
> On Tue 2014-09-09 17:02:34, Arnd Bergmann wrote:
> > On Tuesday 09 September 2014 16:17:56 Pavel Machek wrote:
> > > > Jaehoon Chung (1):
> > > >       ARM: dts: socfpga: unuse the slot-node and deprecate the
> > > >       supports-highspeed for dw-mmc
> > > 
> > > This patch is a bad idea. It removes support for two mmc cards on a
> > > single controller -- configuration hardware supports and configuration
> > > that allows using u-SD card on mcvevk board.

This is not true, the MCVEVK does _NOT_ have two cards on a single controller.

> > Your objection comes too late, and to the wrong patch, since the
> > driver and all other users have already been changed. We had a long
> > discussion about this when the issue first came up, and we could
> > not find any example of dw-mmc actually being used in a scenario
> > with one controller that has multiple devices attached.
> 
> Well, this is not first time I raised this. 3.17 is not yet out, so we
> still have chance to fix regressions without major fuss.
> 
> > Apparently every user out there instead uses multiple controller
> > instances instead. Are you sure that the socfpga implementation
> > is an exception from this?
> 
> Marek Vasut has the hardware. His board apprently has uSD and eMMC,
> and I believe it has just one controller. I'll try to get details.

So please go ahead with this PR, sorry for blocking it.

Best regards,
Marek Vasut



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