linux-kernel - Re: [PATCH] nds32: define __NDS32_E[BL]_

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Message-ID: <CAEbi=3dB=12nPiqk1zC6PTqBb_Z4GaoYUZBww7t_jy3REd=P4A@mail.gmail.com>
Date:   Tue, 29 May 2018 17:29:03 +0800
From:   Greentime Hu <green.hu@...il.com>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Vincent Chen <deanbo422@...il.com>
Subject: Re: [PATCH] nds32: define __NDS32_E[BL]__ for sparse

2018-05-29 0:29 GMT+08:00 Luc Van Oostenryck <luc.vanoostenryck@...il.com>:
> nds32 depends on the macros '__NDS32_E[BL]__' to correctly
> select or define endian-specific macros, structures or pieces
> of code.
>
> These macros are predefined by the compiler but sparse knows nothing
> about them and thus may pre-process files differently from what
> GCC would.
>
> Fix this by adding '-D__NDS32_E[BL]__' to CHECKFLAGS.
>
> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@...il.com>
> ---
>  arch/nds32/Makefile | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/nds32/Makefile b/arch/nds32/Makefile
> index 513bb2e9b..031c67682 100644
> --- a/arch/nds32/Makefile
> +++ b/arch/nds32/Makefile
> @@ -34,10 +34,12 @@ ifdef CONFIG_CPU_LITTLE_ENDIAN
>  KBUILD_CFLAGS   += $(call cc-option, -EL)
>  KBUILD_AFLAGS   += $(call cc-option, -EL)
>  LDFLAGS         += $(call cc-option, -EL)
> +CHECKFLAGS      += -D__NDS32_EL__
>  else
>  KBUILD_CFLAGS   += $(call cc-option, -EB)
>  KBUILD_AFLAGS   += $(call cc-option, -EB)
>  LDFLAGS         += $(call cc-option, -EB)
> +CHECKFLAGS      += -D__NDS32_EB__
>  endif
>
>  boot := arch/nds32/boot

Thank you Luc.
I'll pick it in my tree.

Acked-by: Greentime Hu <greentime@...estech.com>