This is a note to let you know that I've just added the patch titled
ARM: dts: everest: Add phase corrections for eMMC
to the 5.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-dts-everest-add-phase-corrections-for-emmc.patch
and it can be found in the queue-5.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 5f852efd3a5e18bda196591ae97bf54b216c2e60
Author: Andrew Jeffery <andrew@xxxxxxxx>
Date: Tue Jul 13 09:06:42 2021 +0930
ARM: dts: everest: Add phase corrections for eMMC
[ Upstream commit ded3e2864c735f33ba5abbbe2d7b1c6605242f9b ]
The values were determined via scope measurements.
With the patch we can write and read data without issue where as booting
the system without the patch failed at the point of mounting the rootfs.
Signed-off-by: Andrew Jeffery <andrew@xxxxxxxx>
Link: https://lore.kernel.org/r/20210712233642.3119722-1-andrew@xxxxxxxx
Fixes: faffd1b2bde3 ("ARM: dts: everest: Add phase corrections for eMMC")
Signed-off-by: Joel Stanley <joel@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
index aa24cac8e5be..44b03a5e2416 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -2832,7 +2832,7 @@
&emmc {
status = "okay";
- clk-phase-mmc-hs200 = <180>, <180>;
+ clk-phase-mmc-hs200 = <210>, <228>;
};
&fsim0 {
