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| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2021-03-01 14:06:26 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-03-08 12:24:12 +0300 |
| commit | d765a4f302cc046ca23453ba990d21120ceadbbd (patch) | |
| tree | c0b456a2815d8010091369bef74e632d6e73df34 /arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | |
| parent | e8ae8db17029f2057b65bfb8abc1650bbd8492ef (diff) | |
| download | linux-d765a4f302cc046ca23453ba990d21120ceadbbd.tar.xz | |
arm64: dts: renesas: Add mmc aliases into board dts files
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/
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
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts index b966541f2e5b..295d34f1d216 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 { |