On Sun, Oct 04, 2026 at 08:17:43AM +0200, Marek Vasut wrote:
> DTC commit cba90ce82064 ("checks: Remove check for graph child addresses")
> removed -Wno-graph_child_address command line parameter. Apply this option
> only to DTC older than 1.8.0.
>
> This can be triggered on e.g. Debian Testing (as of 2026-09-07) when
> using system DTC:
>
> $ export DTC=/usr/bin/dtc
> $ $DTC --version
> Version: DTC 1.8.1
> $ r8a779g3_sparrowhawk_defconfig
> $ make -j$(nproc)
> ...
> FATAL ERROR: Unrecognized check name "graph_child_address"
> Check
> /path/to/dts/upstream/src/arm64/renesas/.r8a779g3-sparrow-hawk.dtb.pre.tmp
> for errors
>
> Signed-off-by: Marek Vasut <[email protected]>
> ---We should just drop it unconditionally, both to easier match up with future kernel re-syncs and also because the DTC commit (as I read it) says the check itself was flawed / not useful. -- Tom
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