Re: [PATCH] mmc: dt: Add property for broken hs200 quirk

From: Bjorn Andersson
Date: Fri Dec 19 2014 - 15:01:49 EST


On Fri, Dec 19, 2014 at 3:38 AM, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
> On 12 December 2014 at 20:28, Bjorn Andersson
> <bjorn.andersson@xxxxxxxxxxxxxx> wrote:
>
> Some more explanation to why this needed would be good.
>

Because (according to the git log) some of the memories that we
mounted in Xperia Z1 does not support HS200 even though they advertise
they are.

I thought we needed for the device I'm testing with, but a couple of
regulator_set_optimum_mode() solved that - so I have to provide a
patch for that as well...

>> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx>
>> ---
>> Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++
>
> This file lists the generic mmc DT bindings, but you want to add a
> specific binding for sdhci?
>

Looking in sdhci_get_of_property() it's a mash of device specific
properties, sdhci specific properties documented in mmc.txt and
generic sdhci properties documented in device specific bindings.

Would you like me to move it to a generic sdhci.txt binding and update
the individual sdhci-* to reference that instead of mmc.txt? Or should
I just add the property in the device specific bindings? Or maybe we
could keep it as a optional property in mmc.txt?

Regards,
Bjorn
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