Re: [PATCH REPOST 2/2] arm/dt: Tegra: Add support-8bit to SDHCI nodes

Grant Likely
2011-09-20T17:48:11Z

On Tue, Sep 20, 2011 at 10:46:26AM -0600, Stephen Warren wrote:
> For Seaboard's internal eMMC, this makes the difference between a
> 5.5MB/s and 10.2MB/s transfer rate. On Harmony, there wasn't any
> measurable difference on my cheap/slow ~2MB/s card.
>
> Signed-off-by: Stephen Warren <swarren@nvidia.com>

Acked-by: Grant Likely <grant.likely@secretlab.ca>

> ---
> arch/arm/boot/dts/tegra-harmony.dts | 1 +
> arch/arm/boot/dts/tegra-seaboard.dts | 4 ++++
> 2 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts
> index e581866..0e225b8 100644
> --- a/arch/arm/boot/dts/tegra-harmony.dts
> +++ b/arch/arm/boot/dts/tegra-harmony.dts
> @@ -66,5 +66,6 @@
> cd-gpios = <&gpio 58 0>; /* gpio PH2 */
> wp-gpios = <&gpio 59 0>; /* gpio PH3 */
> power-gpios = <&gpio 70 0>; /* gpio PI6 */
> + support-8bit;
> };
> };
> diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts
> index 64cedca..a72299b 100644
> --- a/arch/arm/boot/dts/tegra-seaboard.dts
> +++ b/arch/arm/boot/dts/tegra-seaboard.dts
> @@ -25,4 +25,8 @@
> wp-gpios = <&gpio 57 0>; /* gpio PH1 */
> power-gpios = <&gpio 70 0>; /* gpio PI6 */
> };
> +
> + sdhci@c8000600 {
> + support-8bit;
> + };
> };
> --
> 1.7.0.4
>