[PATCH 2/3] powerpc/esdhc: add property to disable the CMD23

[Huang Changming-R66093]

Thanks, Anton.
If it is necessary, I will resend this patch to linuxppc-dev at lists.ozlabs.org.

Best Regards
Jerry Huang


> -----Original Message-----
> From: Anton Vorontsov [mailto:cbouatmailru at gmail.com]
> Sent: Tuesday, September 11, 2012 4:05 PM
> To: Huang Changming-R66093
> Cc: linux-mmc at vger.kernel.org; Kumar Gala; linuxppc-dev at lists.ozlabs.org
> Subject: Re: [PATCH 2/3] powerpc/esdhc: add property to disable the CMD23
> 
> On Tue, Sep 11, 2012 at 12:54:29AM -0700, Anton Vorontsov wrote:
> > On Tue, Sep 11, 2012 at 03:12:44PM +0800, Chang-
> Ming.Huang at freescale.com wrote:
> > > From: Jerry Huang <Chang-Ming.Huang at freescale.com>
> > >
> > > Below SOCs don't support the cmd23 command for MMC card, therefore,
> > > disable it in device tree:
> > > P1020, P1021, P1022, P1024, P1025 and P4080
> > >
> > > Signed-off-by: Jerry Huang <Chang-Ming.Huang at freescale.com>
> >
> > Acked-by: Anton Vorontsov <cbouatmailru at gmail.com>
> 
> Btw, although the patch is trivial, I guess you still want to let know
> PowerPC folks about it. Adding Cc and copying the patch:
> 
> - - - -
> From: Jerry Huang <Chang-Ming.Huang at freescale.com>
> 
> Below SOCs don't support the cmd23 command for MMC card, therefore,
> disable it in device tree:
> P1020, P1021, P1022, P1024, P1025 and P4080
> 
> Signed-off-by: Jerry Huang <Chang-Ming.Huang at freescale.com>
> CC: Anton Vorontsov <cbouatmailru at gmail.com>
> ---
>  arch/powerpc/boot/dts/fsl/p1020si-post.dtsi |    1 +
>  arch/powerpc/boot/dts/fsl/p1021si-post.dtsi |    1 +
>  arch/powerpc/boot/dts/fsl/p1022si-post.dtsi |    1 +
>  arch/powerpc/boot/dts/fsl/p4080si-post.dtsi |    1 +
>  4 files changed, 4 insertions(+)
> 
> diff --git a/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi
> b/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi
> index 68cc5e7..793a30b 100644
> --- a/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi
> +++ b/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi
> @@ -154,6 +154,7 @@
>  	sdhc at 2e000 {
>  		compatible = "fsl,p1020-esdhc", "fsl,esdhc";
>  		sdhci,auto-cmd12;
> +		sdhci,no-cmd23;
>  	};
>  /include/ "pq3-sec3.3-0.dtsi"
> 
> diff --git a/arch/powerpc/boot/dts/fsl/p1021si-post.dtsi
> b/arch/powerpc/boot/dts/fsl/p1021si-post.dtsi
> index adb82fd..2b7fd2a 100644
> --- a/arch/powerpc/boot/dts/fsl/p1021si-post.dtsi
> +++ b/arch/powerpc/boot/dts/fsl/p1021si-post.dtsi
> @@ -149,6 +149,7 @@
>  /include/ "pq3-esdhc-0.dtsi"
>  	sdhc at 2e000 {
>  		sdhci,auto-cmd12;
> +		sdhci,no-cmd23;
>  	};
> 
>  /include/ "pq3-sec3.3-0.dtsi"
> diff --git a/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi
> b/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi
> index 06216b8..2334a52 100644
> --- a/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi
> +++ b/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi
> @@ -215,6 +215,7 @@
>  	sdhc at 2e000 {
>  		compatible = "fsl,p1022-esdhc", "fsl,esdhc";
>  		sdhci,auto-cmd12;
> +		sdhci,no-cmd23;
>  	};
> 
>  /include/ "pq3-sec3.3-0.dtsi"
> diff --git a/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi
> b/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi
> index 8d35d2c..5b39952 100644
> --- a/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi
> +++ b/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi
> @@ -337,6 +337,7 @@
>  	sdhc at 114000 {
>  		voltage-ranges = <3300 3300>;
>  		sdhci,auto-cmd12;
> +		sdhci,no-cmd23;
>  	};
> 
>  /include/ "qoriq-i2c-0.dtsi"
> --
> 1.7.9.5