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

From: Anton Vorontsov <[email-masked]>
Date: Tue, 11 Sep 2012 01:04:58 -0700

On Tue, Sep 11, 2012 at 12:54:29AM -0700, Anton Vorontsov wrote:
> On Tue, Sep 11, 2012 at 03:12:44PM +0800, [email-masked] wrote:
> > From: Jerry Huang <[email-masked]>
> > 
> > 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 <[email-masked]>
> 
> Acked-by: Anton Vorontsov <[email-masked]>

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 <[email-masked]>

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 <[email-masked]>
CC: Anton Vorontsov <[email-masked]>
---
 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@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@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@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@114000 {
 		voltage-ranges = <3300 3300>;
 		sdhci,auto-cmd12;
+		sdhci,no-cmd23;
 	};
 
 /include/ "qoriq-i2c-0.dtsi"
-- 
1.7.9.5