On Wednesday 07 February 2018 06:47 AM, Caesar Wang wrote: > Kishon, > > Can you help merge this in your or next tree? I'm hoping that we can land > this somewhere.:-) sure, I'll merge once -rc1 is tagged. Thanks Kishon > > > Thanks, > -Caesar > ? 2018?01?11? 10:40, Caesar Wang ??: >> 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. >> >> -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(-) >> > >