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2c81b16964
Ran update_kernel.sh in a fresh clone without any existing toolchains. Manually rebased: bcm27xx/950-0993-xhci-quirks-add-link-TRB-quirk-for-VL805.patch layerscape/701-net-0231-enetc-Use-DT-protocol-information-to-set-up-the-port.patch Build system: x86_64 Build-tested: ipq806x/R7800 Run-tested: ipq806x/R7800 No dmesg regressions, everything functional Signed-off-by: John Audia <graysky@archlinux.us> [remove accidental whitespace edit] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
From 7542fb08d2726606057c4283b3a454abb195a0f5 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Mon, 23 Sep 2019 09:26:41 +0100
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Subject: [PATCH] kbuild: Allow .dtbo overlays to be built piecemeal
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Before 4.20, it was possible to build an arbitrary overlay by copying
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it to arm/boot/dts/overlays/mytest-overlay.dts and running:
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make ARCH=arm overlays/mytest.dtbo
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In 4.20 the .dtb build rules were centralised, requiring the dowstream
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.dtbo build rules to be changed. They were, enough to support "make ...
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dtbs", but not sufficiently to allow this ad-hoc, one-off building of
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individual files.
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Add the missing makefile rule to support this way of building.
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See: https://github.com/raspberrypi/linux/issues/3250
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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Makefile | 3 +++
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1 file changed, 3 insertions(+)
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--- a/Makefile
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+++ b/Makefile
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@@ -1267,6 +1267,9 @@ ifneq ($(dtstree),)
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%.dtb: include/config/kernel.release scripts_dtc
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$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
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+%.dtbo: prepare3 scripts_dtc
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+ $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
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+
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PHONY += dtbs dtbs_install dtbs_check
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dtbs: include/config/kernel.release scripts_dtc
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$(Q)$(MAKE) $(build)=$(dtstree)
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