39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Sun, 15 Sep 2019 10:05:29 +0200
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Subject: [PATCH] Set a devicetree var in a BLS config if GRUB_DEFAULT_DTB is
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present
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The BootLoaderSpec mentions that a devicetree field can be used to pass a
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Device Tree (DT) to the kernel, for the platforms that use it to describe
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information about the hardware.
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The blscfg module supports parsing the field from the BLS snippets but it
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allows to set a DT for all the entries if a devicetree env var is defined.
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Make the grub2-mkconfig tool to set this variable if GRUB_DEFAULT_DTB was
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defined in the /etc/default/grub file.
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Resolves: rhbz#1751307
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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util/grub.d/10_linux.in | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
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index 301594a0c9e..1520b7e47c1 100644
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--- a/util/grub.d/10_linux.in
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+++ b/util/grub.d/10_linux.in
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@@ -138,6 +138,10 @@ EOF
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if [ -n "${GRUB_EARLY_INITRD_LINUX_CUSTOM}" ]; then
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${grub_editenv} - set early_initrd="${GRUB_EARLY_INITRD_LINUX_CUSTOM}"
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fi
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+
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+ if [ -n "${GRUB_DEFAULT_DTB}" ]; then
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+ ${grub_editenv} - set devicetree="${GRUB_DEFAULT_DTB}"
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+ fi
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fi
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exit 0
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