linux-kernel - Re: [PATCH] MIPS: Octeon: Fix build errors using clang

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Message-ID: <20211221135736.GB9153@alpha.franken.de>
Date:   Tue, 21 Dec 2021 14:57:36 +0100
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
Cc:     Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Adrian Schmutzler <freifunk@...ianschmutzler.de>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: Octeon: Fix build errors using clang

On Thu, Dec 16, 2021 at 05:50:14PM +0800, Tianjia Zhang wrote:
> A large number of the following errors is reported when compiling
> with clang:
> 
>   cvmx-bootinfo.h:326:3: error: adding 'int' to a string does not append to the string [-Werror,-Wstring-plus-int]
>                   ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NULL)
>                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   cvmx-bootinfo.h:321:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE'
>           case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                          ~~~^~~~
>   cvmx-bootinfo.h:326:3: note: use array indexing to silence this warning
>   cvmx-bootinfo.h:321:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE'
>           case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ^
> 
> Follow the prompts to use the address operator '&' to fix this error.
> 
> Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
> ---
>  arch/mips/include/asm/octeon/cvmx-bootinfo.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

applied to mips-next.

Thomas.

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