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authorPaul Barker <pbarker@konsulko.com>2020-12-19 18:51:09 +0000
committerJan-Simon Moeller <jsmoeller@linuxfoundation.org>2021-01-11 17:43:06 +0000
commit88210ca58e31ed0a54532f35789110f8e6af7770 (patch)
treed066189c74679c35d038f00ab20b96234c5f7570 /meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux
parenta857b0b23a64a8cf209dc35c4773d22ab236162d (diff)
raspberrypi: dtc: Prevent overlays from modifying phandle properties
The cma-overlay fragment included in vc4-fkms-v3d-overlay ends up with a phandle property within the __overlay__ fragment due to the references to this fragment from the __overrides__ section. So when this overlay fragment is applied it was modifying the phandle of the target node, breaking other references to this node in the base dtb and breaking the resolution of symbols within the fdt. The failure is seen in the create-combined-dtb recipe but the best place to fix this is in libfdt itself. When applying an overlay fragment, if both the target node and the overlay fragment contain phandle properties we skip modification of the target node phandle. The included patch has been submitted upstream for review. Bug-AGL: SPEC-3702 Signed-off-by: Paul Barker <pbarker@konsulko.com> Change-Id: I0661de41162fa4f8eed8421878049b9027536b41 Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/25839 Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org> Reviewed-by: Scott Murray <scott.murray@konsulko.com> Tested-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
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