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[arm64] Apply patch from linux-next to fix eMMC corruption on 

Odroid-C2 (Closes: #879072).
This commit is contained in:
Vagrant Cascadian 2018-03-11 18:46:05 -07:00
parent 4bcb651396
commit b6d7061ed6
3 changed files with 46 additions and 0 deletions
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2
debian/changelog vendored
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@ -13,6 +13,8 @@ linux (4.15.4-2) UNRELEASED; urgency=medium
* [arm64] Enable ROCKCHIP_IODOMAIN as a module, to enable PCIe reset.
* [arm64] Enable REGULATOR_FAN53555 as a module, enabling cpufreq to
work on rk3399 A72 cores.
* [arm64] Apply patch from linux-next to fix eMMC corruption on
Odroid-C2 (Closes: #879072).
-- Uwe Kleine-König <ukleinek@debian.org> Fri, 23 Feb 2018 13:08:33 +0100

43
debian/patches/bugfix/arm64/ARM64-dts-meson-reduce-odroid-c2-eMMC-maximum-rate.patch vendored Normal file
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@ -0,0 +1,43 @@
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts?h=next-20180309&id=c04ffa71ff491220cac28f55237c9aad379a8656
From c04ffa71ff491220cac28f55237c9aad379a8656 Mon Sep 17 00:00:00 2001
From: Jerome Brunet <jbrunet@baylibre.com>
Date: Fri, 2 Mar 2018 14:44:36 +0100
Subject: [PATCH] ARM64: dts: meson: reduce odroid-c2 eMMC maximum rate
Different modules maybe installed by the user on the eMMC connector
of the odroid-c2. While the red modules are working without an issue,
it seems some black modules (apparently Samsung based) are having
issue at 200MHz
While the tuning algorithm introduced in v4.14 enables high speed modes
on every other tested designs, it seems a problem remains for this
particular combination of board and eMMC module.
Lowering the maximum frequency of the eMMC on this board until we can
figure out a better solution.
Fixes: d341ca88eead ("mmc: meson-gx: rework tuning function")
Suggested-by: Ellie Reeves <ellierevves@gmail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Cc: stable@vger.kernel.org
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
---
arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index 0bc0f65e4f37..54954b314a45 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -274,7 +274,7 @@
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
- max-frequency = <200000000>;
+ max-frequency = <100000000>;
non-removable;
disable-wp;
cap-mmc-highspeed;
--
2.11.0

1
debian/patches/series vendored
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@ -134,6 +134,7 @@ bugfix/all/tools-build-remove-bpf-run-time-check-at-build-time.patch
bugfix/all/cpupower-bump-soname-version.patch
bugfix/all/cpupower-fix-checks-for-cpu-existence.patch
bugfix/all/lockdep-stub-nmi-watchdog-reset.patch
bugfix/arm64/ARM64-dts-meson-reduce-odroid-c2-eMMC-maximum-rate.patch
# Backport patches from linux-next (next-20180103) to support SMP on tegra210 systems
features/arm64/tegra210-smp/0001-arm64-tegra-Add-CPU-and-PSCI-nodes-for-NVIDIA-Tegra2.patch