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

From: Ulf Hansson
Date: Mon Jul 25 2016 - 04:49:28 EST

On 27 June 2016 at 19:39, Douglas Anderson <dianders@xxxxxxxxxxxx> 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