[PATCH] dtc: introduce label relative path references

[Tom Rini]

On Fri, Mar 28, 2025 at 05:31:15PM +0100, Patrice Chotard wrote:

> Since introduction of OF_UPSTREAM flag, U-Boot's dtc must be able
> to compile Kernel's device tree.
> 
> Since kernel commit 7de129f5389b ("ARM: dts: stm32: stm32mp151a-prtt1l:
> Fix QSPI configuration"), label relative path references has been
> introduced. These label relative path references is not supported
> by current U-Boot dtc version 1.5.0: (see mailing list discussion [1]).
> 
> In order to support such label relative patch references
> adds following commit from upstream DTC tree:
> 
> commit 651410e54cb9 ("util: introduce xstrndup helper")
> commit ec7986e682cf ("dtc: introduce label relative path references")
> 
> [1] https://lore.kernel.org/all/20250115144428.GZ3476@bill-the-cat/T/
> 
> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
> Cc: Tom Rini <trini at konsulko.com>
> Cc: Simon Glass <sjg at chromium.org>

Thanks for digging at this more. It would be good to make ourselves
compliant enough to move to newer dtc wholesale, and it is a
longstanding issue, but it's also as you saw not easy.

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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