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SubjectRe: [PATCH] kbuild: unify cmd_dt_S_dtb and cmd_dt_S_dtbo
On Fri, Dec 30, 2022 at 03:46:50AM +0900 Masahiro Yamada wrote:
> cmd_dt_S_dtb and cmd_dt_S_dtbo are almost the same; the only differnce
> is the prefix of the bein/end symbols. (__dtb vs __dtbo)

Two letters got lost: differ_e_nce, be_g_in.

>
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
> ---
>
> scripts/Makefile.lib | 45 +++++++++++++++-----------------------------
> 1 file changed, 15 insertions(+), 30 deletions(-)
>
> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> index 4a4a5f67c1a6..100a386fcd71 100644
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -368,40 +368,25 @@ DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
> DTC_FLAGS += $(if $(filter $(patsubst $(obj)/%,%,$@), $(base-dtb-y)), -@)
>
> # Generate an assembly file to wrap the output of the device tree compiler
> -quiet_cmd_dt_S_dtb= DTBS $@
> -cmd_dt_S_dtb= \
> -{ \
> - echo '\#include <asm-generic/vmlinux.lds.h>'; \
> - echo '.section .dtb.init.rodata,"a"'; \
> - echo '.balign STRUCT_ALIGNMENT'; \
> - echo '.global __dtb_$(subst -,_,$(*F))_begin'; \
> - echo '__dtb_$(subst -,_,$(*F))_begin:'; \
> - echo '.incbin "$<" '; \
> - echo '__dtb_$(subst -,_,$(*F))_end:'; \
> - echo '.global __dtb_$(subst -,_,$(*F))_end'; \
> - echo '.balign STRUCT_ALIGNMENT'; \
> -} > $@
> +quiet_cmd_wrap_S_dtb = WRAP $@
> + cmd_wrap_S_dtb = { \
> + symbase=__$(patsubst .%,%,$(suffix $<))_$(subst -,_,$(notdir $*)); \

As long as I know, '$(notdir $*)' should be equivalent to '$(*F)'. Is it just
personal preference or is there some other reason for choosing one or the
other?

Nevertheless, with the typos fixed, it looks good to me:
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>

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