[PATCH 5.10 126/530] arm64: dts: renesas: Add mmc aliases into board dts files
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-05-12 15:41:15
Also in:
lkml
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
[ Upstream commit d765a4f302cc046ca23453ba990d21120ceadbbd ]
After the commit 7320915c8861 ("mmc: Set PROBE_PREFER_ASYNCHRONOUS
for drivers that existed in v4.14"), the order of /dev/mmcblkN
was not fixed in some SoCs which have multiple sdhi controllers.
So, we were hard to use an sdhi device as rootfs by using
the kernel parameter like "root=/dev/mmcblkNpM".
According to the discussion on a mainling list [1], we can add
mmc aliases to fix the issue. So, add such aliases into Renesas
arm64 board dts files. Notes that mmc0 is an eMMC channel if
available.
[1]
https://lore.kernel.org/linux-arm-kernel/CAPDyKFptyEQNJu8cqzMt2WRFZcwEdjDiytMBp96nkoZyprTgmA@mail.gmail.com/ (local)
Fixes: 7320915c8861 ("mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.14")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1614596786-22326-1-git-send-email-yoshihiro.shimoda.uh@renesas.com (local)
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm64/boot/dts/renesas/hihope-common.dtsi | 3 +++
arch/arm64/boot/dts/renesas/r8a774a1-beacon-rzg2m-kit.dts | 3 +++
arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts | 2 ++
arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | 3 +++
arch/arm64/boot/dts/renesas/salvator-common.dtsi | 3 +++
arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 1 +
arch/arm64/boot/dts/renesas/ulcb.dtsi | 2 ++
7 files changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/hihope-common.dtsi b/arch/arm64/boot/dts/renesas/hihope-common.dtsi
index 2eda9f66ae81..e8bf6f0c4c40 100644
--- a/arch/arm64/boot/dts/renesas/hihope-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/hihope-common.dtsi@@ -12,6 +12,9 @@ aliases { serial0 = &scif2; serial1 = &hscif0; + mmc0 = &sdhi3; + mmc1 = &sdhi0; + mmc2 = &sdhi2; }; chosen {
diff --git a/arch/arm64/boot/dts/renesas/r8a774a1-beacon-rzg2m-kit.dts b/arch/arm64/boot/dts/renesas/r8a774a1-beacon-rzg2m-kit.dts
index 2c5b057c30c6..ad26f5bf0648 100644
--- a/arch/arm64/boot/dts/renesas/r8a774a1-beacon-rzg2m-kit.dts
+++ b/arch/arm64/boot/dts/renesas/r8a774a1-beacon-rzg2m-kit.dts@@ -21,6 +21,9 @@ serial4 = &hscif2; serial5 = &scif5; ethernet0 = &avb; + mmc0 = &sdhi3; + mmc1 = &sdhi0; + mmc2 = &sdhi2; }; chosen {
diff --git a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
index 26aee004a44e..c4b50a5e3d92 100644
--- a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
+++ b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts@@ -17,6 +17,8 @@ aliases { serial0 = &scif2; serial1 = &hscif2; + mmc0 = &sdhi0; + mmc1 = &sdhi3; }; chosen {
diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index e0ccca2222d2..b9e3b6762ff4 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts@@ -16,6 +16,9 @@ aliases { serial0 = &scif2; ethernet0 = &avb; + mmc0 = &sdhi3; + mmc1 = &sdhi0; + mmc2 = &sdhi1; }; chosen {
diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
index 1bf77957d2c2..08b8525bb725 100644
--- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi@@ -36,6 +36,9 @@ serial0 = &scif2; serial1 = &hscif1; ethernet0 = &avb; + mmc0 = &sdhi2; + mmc1 = &sdhi0; + mmc2 = &sdhi3; }; chosen {
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 202177706cde..05e64bfad023 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi@@ -16,6 +16,7 @@ aliases { serial1 = &hscif0; serial2 = &scif1; + mmc2 = &sdhi3; }; clksndsel: clksndsel {
diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi b/arch/arm64/boot/dts/renesas/ulcb.dtsi
index a2e085db87c5..e11521b4b9ca 100644
--- a/arch/arm64/boot/dts/renesas/ulcb.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi@@ -23,6 +23,8 @@ aliases { serial0 = &scif2; ethernet0 = &avb; + mmc0 = &sdhi2; + mmc1 = &sdhi0; }; chosen {
--
2.30.2