Re: powerpc/corenet: enable eSDHC

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On Wed, May 06, 2015 at 02:29:08PM +0800, Yangbo Lu wrote:
> Signed-off-by: Yangbo Lu <yangbo.lu@xxxxxxxxxxxxx>
> ---
>  arch/powerpc/configs/corenet32_smp_defconfig | 2 ++
>  arch/powerpc/configs/corenet64_smp_defconfig | 2 ++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/arch/powerpc/configs/corenet32_smp_defconfig b/arch/powerpc/configs/corenet32_smp_defconfig
> index ca7957b..17fb2e0 100644
> --- a/arch/powerpc/configs/corenet32_smp_defconfig
> +++ b/arch/powerpc/configs/corenet32_smp_defconfig
> @@ -130,6 +130,8 @@ CONFIG_USB_OHCI_HCD_PPC_OF_LE=y
>  CONFIG_USB_STORAGE=y
>  CONFIG_MMC=y
>  CONFIG_MMC_SDHCI=y
> +CONFIG_MMC_SDHCI_PLTFM=y
> +CONFIG_MMC_SDHCI_OF_ESDHC=y
>  CONFIG_EDAC=y
>  CONFIG_EDAC_MM_EDAC=y
>  CONFIG_EDAC_MPC85XX=y
> diff --git a/arch/powerpc/configs/corenet64_smp_defconfig b/arch/powerpc/configs/corenet64_smp_defconfig
> index 04737aa..4605a55 100644
> --- a/arch/powerpc/configs/corenet64_smp_defconfig
> +++ b/arch/powerpc/configs/corenet64_smp_defconfig
> @@ -112,6 +112,8 @@ CONFIG_USB_EHCI_FSL=y
>  CONFIG_USB_STORAGE=y
>  CONFIG_MMC=y
>  CONFIG_MMC_SDHCI=y
> +CONFIG_MMC_SDHCI_PLTFM=y
> +CONFIG_MMC_SDHCI_OF_ESDHC=y
>  CONFIG_EDAC=y
>  CONFIG_EDAC_MM_EDAC=y
>  CONFIG_RTC_CLASS=y

With this on t4240rdb I'm continually spammed with:
sdhci-esdhc ffe114000.sdhc: no support for card's volts
mmc0: error -22 whilst initialising SD card
sdhci-esdhc ffe114000.sdhc: no support for card's volts
mmc0: error -22 whilst initialising SD card

Releveant boot messages include:
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
sdhci-pltfm: SDHCI platform and OF driver helper
sdhci-esdhc ffe114000.sdhc: No vmmc regulator found
sdhci-esdhc ffe114000.sdhc: No vqmmc regulator found
mmc0: SDHCI controller on ffe114000.sdhc [ffe114000.sdhc] using ADMA
...
mmc0: error -22 whilst initialising SD card
...
sdhci-esdhc ffe114000.sdhc: no support for card's volts
mmc0: error -22 whilst initialising SD card

-Scott
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