Re: [PATCH 0/9] mmc: sh_mobile_sdhi: add HS200 support

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On 12 December 2016 at 20:51, Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
> Here is a series adding HS200 support to the SDHI driver. Building the actual
> functionality on top of SDR104 support was rather easy. However, I figured the
> checks for enabling tuning were rather scattered over the driver and could be
> further improved. So I did some refactoring of that to make adding HS200
> support then a one-liner :)
>
> This has been tested on Salvator-X boards with R-Car H3 and M3-W SoCs. It has
> also been tested on a Lager board (R-Car H2) checking SDR50/104 for
> regressions. The whole test document showing significant speed-ups reading from
> the on-board eMMC can be found here:
>
> http://elinux.org/Tests:eMMC-HS
>
> and the branch can be found here:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/topic/sdhi-emmc-hs
>
> Please comment, review, apply...
>
> Thanks,
>
>    Wolfram
>
>
> Wolfram Sang (9):
>   mmc: sh_mobile_sdhi: simplify accessing DT data
>   mmc: sh_mobile_sdhi: improve prerequisite for hw_reset
>   mmc: sh_mobile_sdhi: improve prerequisites for tuning
>   mmc: sh_mobile_sdhi: remove superfluous check in hw_reset
>   mmc: sh_mobile_sdhi: remove superfluous check in init_tuning
>   mmc: sh_mobile_sdhi: remove superfluous check in SCC error check
>   mmc: sh_mobile_sdhi: enable HS200
>   arm64: dts: r8a7795: enable HS200 for eMMC
>   arm64: dts: r8a7796: enable HS200 for eMMC
>
>  arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts |  1 +
>  arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts |  1 +
>  drivers/mmc/host/sh_mobile_sdhi.c                  | 67 ++++++++--------------
>  3 files changed, 27 insertions(+), 42 deletions(-)
>

Thanks, applied patch 1 -> 7 for next. DTS changes in patch 8 and 9
are for Simon to pick up.

Kind regards
Uffe

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