[U-Boot] [PATCH] board/esd/common/flash.c: Fix compile warning

Matthias Fuchs matthias.fuchs at esd.eu
Fri Sep 11 13:24:01 CEST 2009


Acked-by: Matthias Fuchs <matthias.fuchs at esd.eu>

On Friday 11 September 2009 11:18, Wolfgang Denk wrote:
> Fix warning: ../common/flash.c:635: warning: dereferencing type-punned
> pointer will break strict-aliasing rules
> 
> Signed-off-by: Wolfgang Denk <wd at denx.de>
> Cc: Matthias Fuchs <matthias.fuchs at esd-electronics.com>
> Cc: Stefan Roese <sr at denx.de>
> ---
>  board/esd/common/flash.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/board/esd/common/flash.c b/board/esd/common/flash.c
> index 3ea053b..38a58fb 100644
> --- a/board/esd/common/flash.c
> +++ b/board/esd/common/flash.c
> @@ -630,9 +630,10 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
>   */
>  static int write_word (flash_info_t *info, ulong dest, ulong data)
>  {
> +	ulong *data_ptr = &data;
>  	volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[0]);
>  	volatile CONFIG_SYS_FLASH_WORD_SIZE *dest2 = (CONFIG_SYS_FLASH_WORD_SIZE *)dest;
> -	volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *)&data;
> +	volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *)data_ptr;
>  	ulong start;
>  	int flag;
>  	int i;


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