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fdt: Introduce helper method fdt_overlay_apply_verbose()

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Introduce fdt_overlay_apply_verbose, a method that applies an
overlay but in the case of an error produces a helpful message.

In addition if a base tree is found to be missing the __symbols__
node the message will point out that the probable reason is that
the base tree was miscompiled without the -@ option.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Pantelis Antoniou
2017-09-04 23:12:11 +03:00
committed by Simon Glass
parent 18c991ca2b
commit fc7c31891c
2 changed files with 33 additions and 0 deletions
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include/fdt_support.h
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@@ -264,6 +264,8 @@ int arch_fixup_memory_node(void *blob);
int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width,
u32 height, u32 stride, const char *format);
int fdt_overlay_apply_verbose(void *fdt, void *fdto);
#endif /* ifdef CONFIG_OF_LIBFDT */
#ifdef USE_HOSTCC