On Thursday 11 January 2018 08:10 AM, Caesar Wang wrote: > Hi Kishon, > > Since the Shawn isn't available, I take over this series patches for now. > > As the original bug had tracked on https://issuetracker.google.com/71561742. > In some cases, the mmc phy power on failed during booting up. > The log as below: > ... > [ 2.375333] rockchip_emmc_phy_power: caldone timeout. > [ 2.377815] phy phy-ff770000.syscon:phy at f780.4: phy poweron failed --> -110 > ... > [ 2.489295] mmc0: mmc_select_hs400es failed, error -110 > [ 2.489302] mmc0: error -110 whilst initialising MMC card > .. > > The actual emulate, the wait 5us for calpad busy trimming, that's no enough. > We need give the enough margin for it. > > Verified on url = > https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-4.4 > This series patches can apply and bring up with kernel-next on rk3399 chromebook. merged now, thanks! -Kishon > > -Caesar > > > Changes in v3: > - As Doug commented on both upstream and gerrit. > Change "5, 50" to "0, 50", and the message of print. > - As Doug commented on https://patchwork.kernel.org/patch/10154797, > Change "1, 50" to "0, 50". > > Changes in v2: > - print the return valut with regmap_read_poll_timeout failing. > - As Brian commented on https://patchwork.kernel.org/patch/10139891/, > changed the note and added to print error value with > regmap_read_poll_timeout API. > > Shawn Lin (2): > phy: rockchip-emmc: retry calpad busy trimming > phy: rockchip-emmc: use regmap_read_poll_timeout to poll dllrdy > > drivers/phy/rockchip/phy-rockchip-emmc.c | 60 +++++++++++++++----------------- > 1 file changed, 28 insertions(+), 32 deletions(-) >
