RE: [PATCHv3 3/4] mmc: dw_mmc: remove the "supports-highspeed" property.

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On Fri, May 30, 2014, Jaehoon Chung wrote:
> Hi, Ulf.
> 
> On 05/30/2014 05:01 PM, Ulf Hansson wrote:
> > On 28 May 2014 07:35, Jaehoon Chung <jh80.chung@xxxxxxxxxxx> wrote:
> >> Removed the parser for "supports-highspeed".
> >> It can be parsed with "cap-mmc-highsped" or "cap-sd-highspeed" at
> >> mmc_of_parse().
> >>
> >> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> >> ---
> >>  drivers/mmc/host/dw_mmc.c |    3 ---
> >>  1 file changed, 3 deletions(-)
> >>
> >> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> >> index 3285bdd..34b5210 100644
> >> --- a/drivers/mmc/host/dw_mmc.c
> >> +++ b/drivers/mmc/host/dw_mmc.c
> >> @@ -2281,9 +2281,6 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
> >>                         return ERR_PTR(ret);
> >>         }
> >>
> >> -       if (of_find_property(np, "supports-highspeed", NULL))
> >> -               pdata->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
> >> -
> >
> > According to DT guys, normally we shouldn't remove DT bindings. Thus,
> > you need to keep this, unless you can get some of the DT guys to ack
> > it.
> As you mentioned, this patch didn't need, right?
> 
> >
> > Though, you still want to move the DTs to use common mmc bindings. And
> > you could mark the documentation of the above binding as deprecated.
> I added the comment for deprecated into dw-mmc dt-binding doc file.
> "[PATCHv3,4/4] ARM: dts: replace the slot property into slot sub-node for dwmmc."
> 
> I think this patch can be discarded. then everything is ok.!? :)
Once decided to turn common mmc bindings instead of driver-specific,
host driver shall not need old one.
I think we can remove it.

Thanks,
Seungwon Jeon

> 
> If i'm wrong, let me know, plz.
> 
> Thank you for sharing the information.
> 
> Best Regards,
> Jaehoon Chung
> >
> > Kind regards
> > Ulf Hansson
> >
> 
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