Re: arm64: dts: rockchip: Disable HS400 for mmc on rk3399-roc-pc

[Heiko Stuebner]

Am Montag, 11. November 2019, 10:51:04 CET schrieb Markus Reichl:
> Working with rootfs on two 128GB mmcs on rk3399-roc-pc.
> 
> One (mmc name 128G72, one screw hole) works fine in HS400 mode.
> Other (mmc name DJNB4R, firefly on pcb, two screw holes) gets lots of
> mmc1: "running CQE recovery", even hangs with damaged fs,
> when running under heavy load, e.g. compiling kernel.
> Both run fine with HS200.
> 
> Disabling CQ with patch mmc: core: Add MMC Command Queue Support kernel parameter [0] did not help.
> [0] https://gitlab.com/ayufan-repos/rock64/linux-mainline-kernel/commit/54e264154b87dfe32a8359b2726e2d5611adbaf3
> 
> Therefore I propose to disable HS400 mode on roc-pc for now.
> 
> Signed-off-by: Markus Reichl <m.reichl@xxxxxxxxxxxxx>

applied for 5.6 (or maybe still 5.5)

Thanks
Heiko