openwrt/target/linux/bcm27xx/patches-5.4/950-0858-overlays-Fix-miniuart-bt-krnbt-parameter.patch

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From 2d54451c77c85e153046baebdfedeabc224a59d7 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Thu, 2 Jul 2020 15:21:05 +0100
Subject: [PATCH] overlays: Fix miniuart-bt "krnbt" parameter
Although superficially appealing, an overlay parameter that targets a
label in the base DTB is not currently supported. Instead it is
necessary to create a fragment targeting the label which is patched
by the parameter.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/overlays/miniuart-bt-overlay.dts | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/arch/arm/boot/dts/overlays/miniuart-bt-overlay.dts
+++ b/arch/arm/boot/dts/overlays/miniuart-bt-overlay.dts
@@ -81,7 +81,13 @@
};
};
+ fragment@7 {
+ target = <&minibt>;
+ minibt_frag: __overlay__ {
+ };
+ };
+
__overrides__ {
- krnbt = <&minibt>,"status";
+ krnbt = <&minibt_frag>,"status";
};
};