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40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
From f6c213fbd75a2efeb2e8ef0034be7376a306f7fd Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Fri, 9 Oct 2015 10:49:00 +0100
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Subject: [PATCH 200/203] BCM270X_DT: Make mmc overlay compatible with current
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firmware
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The original DT overlay logic followed a merge-then-patch procedure,
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i.e. parameters are applied to the loaded overlay before the overlay
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is merged into the base DTB. This sequence has been changed to
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patch-then-merge, in order to support parameterised node names, and
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to protect against bad overlays. As a result, overrides (parameters)
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must only target labels in the overlay, but the overlay can obviously target nodes in the base DTB.
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mmc-overlay.dts (that switches back to the original mmc sdcard
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driver) is the only overlay violating that rule, and this patch
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fixes it.
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---
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arch/arm/boot/dts/overlays/mmc-overlay.dts | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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--- a/arch/arm/boot/dts/overlays/mmc-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/mmc-overlay.dts
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@@ -7,13 +7,13 @@
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fragment@0 {
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target = <&mmc>;
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- __overlay__ {
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+ frag0: __overlay__ {
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brcm,overclock-50 = <0>;
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};
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};
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__overrides__ {
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- overclock_50 = <&mmc>,"brcm,overclock-50:0";
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- force_pio = <&mmc>,"brcm,force-pio?";
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+ overclock_50 = <&frag0>,"brcm,overclock-50:0";
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+ force_pio = <&frag0>,"brcm,force-pio?";
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};
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};
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