linux-kernel - Re: [PATCH] ARM: dts: rockchip: Make rk3288-veyron-mickey's emmc work again

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Date:   Tue, 07 May 2019 14:02:23 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Shawn Lin <shawn.lin@...k-chips.com>,
        linux-rockchip@...ts.infradead.org, briannorris@...omium.org,
        mka@...omium.org, amstan@...omium.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: rockchip: Make rk3288-veyron-mickey's emmc work again

Am Samstag, 4. Mai 2019, 01:45:37 CEST schrieb Douglas Anderson:
> When I try to boot rk3288-veyron-mickey I totally fail to make the
> eMMC work.  Specifically my logs (on Chrome OS 4.19):
> 
>   mmc_host mmc1: card is non-removable.
>   mmc_host mmc1: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
>   mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 52000000Hz, actual 50000000HZ div = 0)
>   mmc1: switch to bus width 8 failed
>   mmc1: switch to bus width 4 failed
>   mmc1: new high speed MMC card at address 0001
>   mmcblk1: mmc1:0001 HAG2e 14.7 GiB
>   mmcblk1boot0: mmc1:0001 HAG2e partition 1 4.00 MiB
>   mmcblk1boot1: mmc1:0001 HAG2e partition 2 4.00 MiB
>   mmcblk1rpmb: mmc1:0001 HAG2e partition 3 4.00 MiB, chardev (243:0)
>   mmc_host mmc1: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
>   mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 52000000Hz, actual 50000000HZ div = 0)
>   mmc1: switch to bus width 8 failed
>   mmc1: switch to bus width 4 failed
>   mmc1: tried to HW reset card, got error -110
>   mmcblk1: error -110 requesting status
>   mmcblk1: recovery failed!
>   print_req_error: I/O error, dev mmcblk1, sector 0
>   ...
> 
> When I remove the '/delete-property/mmc-hs200-1_8v' then everything is
> hunky dory.
> 
> That line comes from the original submission of the mickey dts
> upstream, so presumably at the time the HS200 was failing and just
> enumerating things as a high speed device was fine.  ...or maybe it's
> just that some mickey devices work when enumerating at "high speed",
> just not mine?
> 
> In any case, hs200 seems good now.  Let's turn it on.
> 
> Signed-off-by: Douglas Anderson <dianders@...omium.org>

applied for 5.3

Thanks
Heiko