[U-Boot] [PATCH] spl: unbreak CONFIG_SPL_MULTI_DTB_FIT after fixing CONFIG_OF_EMBED

Lokesh Vutla lokeshvutla at ti.com
Wed Jan 10 08:48:08 UTC 2018



On Wednesday 10 January 2018 12:32 PM, Goldschmidt Simon wrote:
> Commit 9bd76b80 "spl: make CONFIG_OF_EMBED pass dts through fdtgrep"
> moved the fdtgrep code from scripts/Makefile.spl to dts/Makefile so
> that the dtb is stripped in embedded mode, too.
> 
> This broke CONFIG_SPL_MULTI_DTB_FIT where fdtgrep is still called
> from scripts/Makefile.spl to strip all dtbs in CONFIG_SPL_OF_LIST.
> To fix that, cmd_fdtgrep is brought back into scripts/Makefile.spl
> at the downside of having it duplicated in two makefiles.

Missing Signed-off-by? Also a Reported-by credits would be nice :)

> ---
>  scripts/Makefile.spl | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
> index 64390e5785..72e74f14c3 100644
> --- a/scripts/Makefile.spl
> +++ b/scripts/Makefile.spl
> @@ -239,6 +239,22 @@ $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
>  	@bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
>  	dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
>  
> +# Pass the original device tree file through fdtgrep twice. The first pass
> +# removes any unwanted nodes (i.e. those which don't have the
> +# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
> +# pass removes various unused properties from the remaining nodes.
> +# The output is typically a much smaller device tree file.
> +ifeq ($(CONFIG_TPL_BUILD),y)
> +fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
> +else
> +fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
> +endif
> +quiet_cmd_fdtgrep = FDTGREP $@
> +      cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
> +		-n /chosen -n /config -O dtb | \
> +	$(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
> +		$(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
> +

hmm..we are duplicating code here. Why can't dtb build for
CONFIG_OF_EMBED be moved to scripts/Makefile.spl?

Thanks and regards,
Lokesh


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