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ee67afeda9
This refreshes the patches on top of kernel 5.4.127. Deleted (upstreamed): bcm27xx/patches-5.10/950-0005-Revert-mailbox-avoid-timer-start-from-callback.patch [0] bcm27xx/patches-5.10/950-0678-bcm2711_thermal-Don-t-clamp-temperature-at-zero.patch [1] Needed manual modifications: bcm27xx/patches-5.10/950-0410-drm-atomic-Pass-the-full-state-to-CRTC-atomic-begin-.patch [0]: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.127&id=bb2220e0672b7433a9a42618599cd261b2629240 [1]: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.127&id=83603802954068ccd1b8a3f2ccbbaf5e0862acb0 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
From 68e9899b2c99dbe97ecf9008e7e43f5b393f26a3 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] 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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@@ -243,6 +243,8 @@ 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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