[PATCH] DTS: fix the bug and add the chip compatible for eSDHC

[Huang Changming-R66093]

> -----Original Message-----
> From: Wood Scott-B07421
> Sent: Tuesday, January 03, 2012 2:28 AM
> To: Huang Changming-R66093
> Cc: linuxppc-dev at lists.ozlabs.org; Huang Changming-R66093
> Subject: Re: [PATCH] DTS: fix the bug and add the chip compatible for
> eSDHC
> 
> On 12/23/2011 12:10 AM, r66093 at freescale.com wrote:
> > From: Jerry Huang <Chang-Ming.Huang at freescale.com>
> >
> > Accordint to latest kernel, the auto-cmd12 property should be
> > "sdhci,auto-cmd12", and according to the SDHC binding and the
> > workaround for the special chip, add the chip compatible for eSDHC:
> > "fsl,p1022-esdhc", "fsl,mpc8536-esdhc", "fsl,p2020-esdhc" and
> "fsl,p1010-esdhc".
> >
> > Signed-off-by: Jerry Huang <Chang-Ming.Huang at freescale.com>
> > ---
> >  arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi |    4 ++++
> >  arch/powerpc/boot/dts/fsl/p1010si-post.dtsi   |    3 ++-
> >  arch/powerpc/boot/dts/fsl/p1022si-post.dtsi   |    3 ++-
> >  arch/powerpc/boot/dts/fsl/p2020si-post.dtsi   |    4 ++++
> >  4 files changed, 12 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi
> > b/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi
> > index 89af626..44e0ed9 100644
> > --- a/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi
> > +++ b/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi
> > @@ -236,6 +236,10 @@
> >  	};
> >
> >  /include/ "pq3-esdhc-0.dtsi"
> > +	sdhc at 2e000 {
> > +		compatible = "fsl,esdhc", "fsl,mpc8536-esdhc";
> > +	};
> 
> More-specific compatible entries should come first.

I don't understand you, why more-specific compatible entries should come?
The Documentation/devicetree/bindings/mmc/fsl-esdhc.txt has introduced it:
  - compatible : should be
    "fsl,<chip>-esdhc", "fsl,esdhc"
I don't think I should introduce new entries.