For reference, I don't think it's worth carrying this patch to 5.4-stable. @Heiko, please correct me if you think I am wrong. On Mon, 2023-08-21 at 19:09 +0200, gregkh@xxxxxxxxxxxxxxxxxxx wrote: > > The patch below does not apply to the 5.4-stable tree. > If someone wants it applied there, or to any other stable or longterm > tree, then please email the backport, including the original git commit > id to <stable@xxxxxxxxxxxxxxx>. > > To reproduce the conflict and resubmit, you may use the following commands: > > git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y > git checkout FETCH_HEAD > git cherry-pick -x cee572756aa2cb46e959e9797ad4b730b78a050b > # <resolve conflicts, build, test, etc.> > git commit -s > git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2023082156-capped-subtext-c4e2@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. > > Possible dependencies: > > cee572756aa2 ("arm64: dts: rockchip: Disable HS400 for eMMC on ROCK Pi 4") > 06c5b5690a57 ("arm64: dts: rockchip: sort nodes/properties on rk3399-rock-4") > 69448624b770 ("arm64: dts: rockchip: fix regulator name on rk3399-rock-4") > 8240e87f16d1 ("arm64: dts: rockchip: fix audio-supply for Rock Pi 4") > 697dd494cb1c ("arm64: dts: rockchip: add SPDIF node for ROCK Pi 4") > 65bd2b8bdb3b ("arm64: dts: rockchip: add ES8316 codec for ROCK Pi 4") > 328c6112787b ("arm64: dts: rockchip: fix supplies on rk3399-rock-pi-4") > b5edb0467370 ("arm64: dts: rockchip: Mark rock-pi-4 as rock-pi-4a dts") > 2bc65fef4fe4 ("arm64: dts: rockchip: rename label and nodename pinctrl subnodes that end with gpio") > 7a87adbc4afe ("arm64: dts: rockchip: enable DC charger detection pullup on Pinebook Pro") > 40df91a894e9 ("arm64: dts: rockchip: fix inverted headphone detection on Pinebook Pro") > 5a65505a6988 ("arm64: dts: rockchip: Add initial support for Pinebook Pro") > c2753d15d2b3 ("arm64: dts: rockchip: split rk3399-rockpro64 for v2 and v2.1 boards") > cfd66c682e8b ("arm64: dts: rockchip: Add regulators for PCIe for Radxa Rock Pi 4 board") > 023115cdea26 ("arm64: dts: rockchip: add thermal infrastructure to px30") > 526ba2e2cf61 ("arm64: dts: rockchip: Enable PCIe for Radxa Rock Pi 4 board") > eb275167d186 ("Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") > > thanks, > > greg k-h > > ------------------ original commit in Linus's tree ------------------ > > From cee572756aa2cb46e959e9797ad4b730b78a050b Mon Sep 17 00:00:00 2001 > From: Christopher Obbard <chris.obbard@xxxxxxxxxxxxx> > Date: Wed, 5 Jul 2023 15:42:54 +0100 > Subject: [PATCH] arm64: dts: rockchip: Disable HS400 for eMMC on ROCK Pi 4 > > There is some instablity with some eMMC modules on ROCK Pi 4 SBCs running > in HS400 mode. This ends up resulting in some block errors after a while > or after a "heavy" operation utilising the eMMC (e.g. resizing a > filesystem). An example of these errors is as follows: > > [ 289.171014] mmc1: running CQE recovery > [ 290.048972] mmc1: running CQE recovery > [ 290.054834] mmc1: running CQE recovery > [ 290.060817] mmc1: running CQE recovery > [ 290.061337] blk_update_request: I/O error, dev mmcblk1, sector 1411072 op 0x1:(WRITE) flags 0x800 phys_seg 36 prio class 0 > [ 290.061370] EXT4-fs warning (device mmcblk1p1): ext4_end_bio:348: I/O error 10 writing to inode 29547 starting block 176466) > [ 290.061484] Buffer I/O error on device mmcblk1p1, logical block 172288 > [ 290.061531] Buffer I/O error on device mmcblk1p1, logical block 172289 > [ 290.061551] Buffer I/O error on device mmcblk1p1, logical block 172290 > [ 290.061574] Buffer I/O error on device mmcblk1p1, logical block 172291 > [ 290.061592] Buffer I/O error on device mmcblk1p1, logical block 172292 > [ 290.061615] Buffer I/O error on device mmcblk1p1, logical block 172293 > [ 290.061632] Buffer I/O error on device mmcblk1p1, logical block 172294 > [ 290.061654] Buffer I/O error on device mmcblk1p1, logical block 172295 > [ 290.061673] Buffer I/O error on device mmcblk1p1, logical block 172296 > [ 290.061695] Buffer I/O error on device mmcblk1p1, logical block 172297 > > Disabling the Command Queue seems to stop the CQE recovery from running, > but doesn't seem to improve the I/O errors. Until this can be investigated > further, disable HS400 mode on the ROCK Pi 4 SBCs to at least stop I/O > errors from occurring. > > While we are here, set the eMMC maximum clock frequency to 1.5MHz to > follow the ROCK 4C+. > > Fixes: 1b5715c602fd ("arm64: dts: rockchip: add ROCK Pi 4 DTS support") > Signed-off-by: Christopher Obbard <chris.obbard@xxxxxxxxxxxxx> > Tested-By: Folker Schwesinger <dev@xxxxxxxxxxxxxxxxxxxxx> > Link: https://lore.kernel.org/r/20230705144255.115299-2-chris.obbard@xxxxxxxxxxxxx > Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx> > > diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi > index 907071d4fe80..95efee311ece 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi > +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi > @@ -645,9 +645,9 @@ &saradc { > }; > > &sdhci { > + max-frequency = <150000000>; > bus-width = <8>; > - mmc-hs400-1_8v; > - mmc-hs400-enhanced-strobe; > + mmc-hs200-1_8v; > non-removable; > status = "okay"; > }; >