[U-Boot] [PATCH 4/5] mmc: tegra: allow disabling external clock loopback

[Simon Glass]

Hi Marcel,

On 30 November 2016 at 09:47, Marcel Ziswiler <marcel at ziswiler.com> wrote:
> From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
>
> Introduce CONFIG_TEGRA124_MMC_DISABLE_EXT_LOOPBACK to disable the external clock
> loopback and use the internal one on SDMMC3 as per the SDMMC_VENDOR_MISC_CNTRL_0
> register's SDMMC_SPARE1 bits being set to 0xfffd according to the TRM.
>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
> ---
>
>  arch/arm/include/asm/arch-tegra/tegra_mmc.h |  2 ++
>  drivers/mmc/Kconfig                         |  8 ++++++++
>  drivers/mmc/tegra_mmc.c                     | 13 +++++++++++++
>  3 files changed, 23 insertions(+)

This should be controlled by the device tree, shouldn't it?

Regards,
Simon