From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH] ARM: dts: rockchip: Make rk3288-veyron-mickey's emmc work again Date: Tue, 07 May 2019 14:02:23 +0200 Message-ID: <3454489.epEtZypnqP@phil> References: <20190503234537.230177-1-dianders@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20190503234537.230177-1-dianders@chromium.org> Sender: linux-kernel-owner@vger.kernel.org To: Douglas Anderson Cc: Shawn Lin , linux-rockchip@lists.infradead.org, briannorris@chromium.org, mka@chromium.org, amstan@chromium.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Mark Rutland , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org 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 applied for 5.3 Thanks Heiko