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The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
From 3bd47fc0cbec8335a1756bdb3cd2756f8ad5ec53 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Thu, 6 Feb 2020 12:23:15 +0000
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Subject: [PATCH 0197/1085] of: overlay: Correct symbol path fixups
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When symbols from overlays are added to the live tree their paths must
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be rebased. The translated symbol is normally the result of joining
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the fragment-relative path (with a leading "/") to the target path
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(either copied directly from the "target-path" property or resolved
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from the phandle). This translation fails when the target is the root
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node (a common case for Raspberry Pi overlays) because the resulting
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path starts with a double slash. For example, if target-path is "/" and
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the fragment adds a node called "newnode", the label associated with
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that node will be assigned the path "//newnode", which can't be found
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in the tree.
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Fix the failure case by explicitly replacing a target path of "/" with
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an empty string.
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Fixes: d1651b03c2df ("of: overlay: add overlay symbols to live device tree")
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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drivers/of/overlay.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/drivers/of/overlay.c
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+++ b/drivers/of/overlay.c
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@@ -241,6 +241,8 @@ static struct property *dup_and_fixup_sy
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if (!target_path)
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return NULL;
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target_path_len = strlen(target_path);
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+ if (!strcmp(target_path, "/"))
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+ target_path_len = 0;
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new_prop = kzalloc(sizeof(*new_prop), GFP_KERNEL);
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if (!new_prop)
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