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Re: [PATCH 0/3] mmc: Fixes for 150 MHz Rockchip eMMC series

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  Re: [PATCH 0/3] mmc: Fixes for 150 MHz Rockchip eMMC series Ulf Hansson <ulf.hansson@linaro.org> - 2016-07-25 10:50 +0200

#1449377 — Re: [PATCH 0/3] mmc: Fixes for 150 MHz Rockchip eMMC series

On 27 June 2016 at 19:39, Douglas Anderson <dianders@chromium.org> wrote:
> Despite positive testing across a number of machines and a number of
> people, last week I got a report that my 150 MHz series was breaking
> things on a handful of boards.
>
> It turns out that reverting the patch to always power cycle across clock
> changes fixes things and reverting that patch also doesn't actually
> cause any known problems (and 150 MHz should even continue to work).
>
> Although we really need to get to the bottom of things, it seems
> expedient to revert while we're waiting for a better solution, hence
> this series.  Also in this series is further increase in the time we'll
> wait for the DLL to stabilize (found during reboot stress testing) and a
> fix to the way we handle the card clock being reported as 0 (needed for
> suspend/resume because of the revert we just did).
>
> It's expected that this series could go through Ulf's mmc tree (like the
> previous) with Kishon's Ack as appropriate.
>
>
> Douglas Anderson (3):
>   mmc: sdhci-of-arasan: Revert: Always power the PHY off/on when clock
>     changes
>   phy: rockchip-emmc: Be tolerant to card clock of 0 in power on
>   phy: rockchip-emmc: Wait even longer for the DLL to lock
>
>  drivers/mmc/host/sdhci-of-arasan.c | 21 +++++++----
>  drivers/phy/phy-rockchip-emmc.c    | 71 ++++++++++++++++++++++++++------------
>  2 files changed, 62 insertions(+), 30 deletions(-)
>
> --
> 2.8.0.rc3.226.g39d4020
>

Thanks, applied for next!

Kind regards
Uffe

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