[PATCH] ARM: dts: fix MMC2 regulators for Exynos5420 Arndale Octa board

Ulf Hansson ulf.hansson at linaro.org
Thu Oct 9 01:46:59 PDT 2014


On 8 October 2014 20:28, Arnd Bergmann <arnd at arndb.de> wrote:
> On Wednesday 08 October 2014 08:29:16 Doug Anderson wrote:
>>
>> On Wed, Oct 8, 2014 at 8:20 AM, Arnd Bergmann <arnd at arndb.de> wrote:
>> > Why does it cause a regression though? Does this mean you are breaking
>> > any boot with an old DT file and a new kernel? That would be very
>> > bad, the driver is supposed to keep working with an existing dtb.
>>
>> The old dts file specified completely the wrong regulator.  It
>> happened that the old code didn't really care, but when the code was
>> fixed to care then things broke.  If we need to keep old dts files
>> working then the most sensible place to do it would be in a "fixup old
>> broken device trees" stage somewhere in kernel boot.
>
> Ok, got it. I guess it's better to apply this one first then.
>
>         Arnd

Thanks for your comments Arnd! I have applied this once to my mmc tree
now. Please tell me soon if you want to carry this through arm-soc
instead, thus I can drop it.

Kind regards
Uffe



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