On 10/5/26 10:59 PM, Tom Rini wrote:
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.
OK

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