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@xxxxxxxxxxxxxxxxx>
Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> ---
> arch/mips/include/asm/octeon/cvmx-bootinfo.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/mips/include/asm/octeon/cvmx-bootinfo.h b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
> index 0e6bf220db61..6c61e0a63924 100644
> --- a/arch/mips/include/asm/octeon/cvmx-bootinfo.h
> +++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
> @@ -318,7 +318,7 @@ enum cvmx_chip_types_enum {
>
> /* Functions to return string based on type */
> #define ENUM_BRD_TYPE_CASE(x) \
> - case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */
> + case x: return (&#x[16]); /* Skip CVMX_BOARD_TYPE_ */
> static inline const char *cvmx_board_type_to_string(enum
> cvmx_board_types_enum type)
> {
> @@ -410,7 +410,7 @@ static inline const char *cvmx_board_type_to_string(enum
> }
>
> #define ENUM_CHIP_TYPE_CASE(x) \
> - case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */
> + case x: return (&#x[15]); /* Skip CVMX_CHIP_TYPE */
> static inline const char *cvmx_chip_type_to_string(enum
> cvmx_chip_types_enum type)
> {
> --
> 2.32.0
>
