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* [PATCH] ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie
@ 2015-11-19  6:56 ` Heiko Stuebner
  0 siblings, 0 replies; 4+ messages in thread
From: Heiko Stuebner @ 2015-11-19  6:56 UTC (permalink / raw)
  To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r

The eMMC of the minnie Chromebook doesn't like our current method of
tuning and while there are solutions on the horizon, they still need
investigating. Other Chromebooks tune just fine with the emmc, so
simply disable tuning on Minnie for now.

Signed-off-by: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
---
Already in my fixes branch, but posted for completenes sake

 arch/arm/boot/dts/rk3288-veyron-minnie.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
index 8fd8ef2..85f0373 100644
--- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
@@ -86,6 +86,10 @@
 	};
 };
 
+&emmc {
+	/delete-property/mmc-hs200-1_8v;
+};
+
 &gpio_keys {
 	pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>;
 
-- 
2.6.2

^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH] ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie
@ 2015-11-19  6:56 ` Heiko Stuebner
  0 siblings, 0 replies; 4+ messages in thread
From: Heiko Stuebner @ 2015-11-19  6:56 UTC (permalink / raw)
  To: linux-arm-kernel

The eMMC of the minnie Chromebook doesn't like our current method of
tuning and while there are solutions on the horizon, they still need
investigating. Other Chromebooks tune just fine with the emmc, so
simply disable tuning on Minnie for now.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
Already in my fixes branch, but posted for completenes sake

 arch/arm/boot/dts/rk3288-veyron-minnie.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
index 8fd8ef2..85f0373 100644
--- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
@@ -86,6 +86,10 @@
 	};
 };
 
+&emmc {
+	/delete-property/mmc-hs200-1_8v;
+};
+
 &gpio_keys {
 	pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>;
 
-- 
2.6.2

^ permalink raw reply related	[flat|nested] 4+ messages in thread
* Re: [PATCH] ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie
  2015-11-19  6:56 ` Heiko Stuebner
@ 2015-11-19  9:42   ` Caesar Wang
  -1 siblings, 0 replies; 4+ messages in thread
From: Caesar Wang @ 2015-11-19  9:42 UTC (permalink / raw)
  To: Heiko Stuebner
  Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r

Heiko,

What are the problems?
I'm interesting that .....:-)

在 2015年11月19日 14:56, Heiko Stuebner 写道:
> The eMMC of the minnie Chromebook doesn't like our current method of
> tuning and while there are solutions on the horizon, they still need
Hang？  That's seem normal booting up with my hand minnie board.

> investigating. Other Chromebooks tune just fine with the emmc, so
> simply disable tuning on Minnie for now.
>
> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
> ---
> Already in my fixes branch, but posted for completenes sake
>
>   arch/arm/boot/dts/rk3288-veyron-minnie.dts | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
> index 8fd8ef2..85f0373 100644
> --- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts
> +++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
> @@ -86,6 +86,10 @@
>   	};
>   };
>   
> +&emmc {
> +	/delete-property/mmc-hs200-1_8v;
> +};
> +
>   &gpio_keys {
>   	pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>;
>   



_______________________________________________
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Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

^ permalink raw reply	[flat|nested] 4+ messages in thread
* [PATCH] ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie
@ 2015-11-19  9:42   ` Caesar Wang
  0 siblings, 0 replies; 4+ messages in thread
From: Caesar Wang @ 2015-11-19  9:42 UTC (permalink / raw)
  To: linux-arm-kernel

Heiko,

What are the problems?
I'm interesting that .....:-)

? 2015?11?19? 14:56, Heiko Stuebner ??:
> The eMMC of the minnie Chromebook doesn't like our current method of
> tuning and while there are solutions on the horizon, they still need
Hang?  That's seem normal booting up with my hand minnie board.

> investigating. Other Chromebooks tune just fine with the emmc, so
> simply disable tuning on Minnie for now.
>
> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
> ---
> Already in my fixes branch, but posted for completenes sake
>
>   arch/arm/boot/dts/rk3288-veyron-minnie.dts | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
> index 8fd8ef2..85f0373 100644
> --- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts
> +++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
> @@ -86,6 +86,10 @@
>   	};
>   };
>   
> +&emmc {
> +	/delete-property/mmc-hs200-1_8v;
> +};
> +
>   &gpio_keys {
>   	pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>;
>   

^ permalink raw reply	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2015-11-19  9:42 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2015-11-19  6:56 [PATCH] ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie Heiko Stuebner
2015-11-19  6:56 ` Heiko Stuebner
2015-11-19  9:42 ` Caesar Wang
2015-11-19  9:42   ` Caesar Wang

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