Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.2-rc6/
Particularly,
commit 0086fc217d5d7ac2939c500733d1d046b9ac5012
Author: ernest.zhang <ernest.zh...@bayhubtech.com>
Date: Mon Jul 16 14:26:54 2018 +0800
mmc: sdhci: Add support for O2 hardware tuning
Add hardware tuning function instead of software tuning because O2/Bayhub
SD host controller support hardware tuning.
Signed-off-by: ernest.zhang <ernest.zh...@bayhubtech.com>
Acked-by: Adrian Hunter <adrian.hun...@intel.com>
Signed-off-by: Ulf Hansson <ulf.hans...@linaro.org>
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https://bugs.launchpad.net/bugs/1553688
Title:
Lenovo Y700-17ISK: mmc0: Unknown controller version (3)
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