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0cdffb29b0
* Change DEV to EDGE * Renaming patches dev folder to edge * Move patches into subdir where they will be archived. * Relink patch directories properly
63 lines
1.9 KiB
Diff
63 lines
1.9 KiB
Diff
From acae66eab6e5a815e489565ea98524f6d4b9d3a7 Mon Sep 17 00:00:00 2001
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From: Alexander Stein <alexander.stein@mailbox.org>
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Date: Wed, 3 Feb 2021 17:03:42 +0000
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Subject: [PATCH 20/58] FROMLIST(v2): arm64: dts: amlogic: assign a fixed index
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to mmc devices
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Recently introduced async probe on mmc devices can shuffle block IDs.
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Pin them to fixed values to ease booting in environments where UUIDs
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are not practical. Use newly introduced aliases for mmcblk devices
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from [1].
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The unconventional order (B, C, A) is due to the fact that sd_emmc_a is
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(according to the comments) only used for SDIO.
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AFAICS all boards either have both sd_emmc_b and sd_emmc_c or only one
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of them enabled. So the alias order should match the previous non-async
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order for all of them.
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[1] https://patchwork.kernel.org/patch/11747669/
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Signed-off-by: Alexander Stein <alexander.stein@mailbox.org>
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---
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arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 6 ++++++
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arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 6 ++++++
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2 files changed, 12 insertions(+)
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diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
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index 3a4f20506a61..bd6e48e3c51a 100644
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--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
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+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
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@@ -17,6 +17,12 @@ / {
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#address-cells = <2>;
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#size-cells = <2>;
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+ aliases {
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+ mmc0 = &sd_emmc_b;
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+ mmc1 = &sd_emmc_c;
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+ mmc2 = &sd_emmc_a;
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+ };
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+
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chosen {
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#address-cells = <2>;
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#size-cells = <2>;
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diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
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index cf9eb7c8a6f0..14ff467c6be8 100644
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--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
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+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
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@@ -20,6 +20,12 @@ / {
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#address-cells = <2>;
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#size-cells = <2>;
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+ aliases {
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+ mmc0 = &sd_emmc_b;
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+ mmc1 = &sd_emmc_c;
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+ mmc2 = &sd_emmc_a;
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+ };
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+
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reserved-memory {
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#address-cells = <2>;
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#size-cells = <2>;
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--
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2.25.1
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