[U-Boot] [PATCH V3 3/4] ARM: Warn when the machine ID isn't set.

[Igor Grinberg]

Hi Christopher,

On 07/14/11 21:02, Christopher Harvey wrote:
> Linux cannot boot without it.
>
> Signed-off-by: Christopher Harvey <charvey at matrox.com>
> ---
>
> V2:
> Used a #define instead of a constant.
> Used a printf instead of a debug.
>
> ---
>
> V3:
> Moved gd->bd->bi_arch_number = BI_ARCH_NUMBER_INVALID; before the 
>   init_sequence loop, so it doesn't overwrite existing values.
> Removed unneeded braces. 

This one looks fine, except that you keep ignoring my question...
Please, see below

> Reminder, in V2 of this series there are 3 uncommited patches that
>   have no comments.
>
>  arch/arm/include/asm/u-boot.h |    2 ++
>  arch/arm/lib/board.c          |    2 ++
>  arch/arm/lib/bootm.c          |    5 +++++
>  3 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/include/asm/u-boot.h b/arch/arm/include/asm/u-boot.h
> index ed33327..81735de 100644
> --- a/arch/arm/include/asm/u-boot.h
> +++ b/arch/arm/include/asm/u-boot.h
> @@ -48,4 +48,6 @@ typedef struct bd_info {
>      }			bi_dram[CONFIG_NR_DRAM_BANKS];
>  } bd_t;
>  
> +#define BI_ARCH_NUMBER_INVALID  0xffffffff
> +
>  #endif	/* _U_BOOT_H_ */
> diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
> index fc52a26..1635aa1 100644
> --- a/arch/arm/lib/board.c
> +++ b/arch/arm/lib/board.c
> @@ -281,6 +281,8 @@ void board_init_f (ulong bootflag)
>  
>  	gd->mon_len = _bss_end_ofs;
>  
> +	gd->bd->bi_arch_number = BI_ARCH_NUMBER_INVALID;
> +
>  	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
>  		if ((*init_fnc_ptr)() != 0) {
>  			hang ();
> diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
> index 802e833..8e75b5a 100644
> --- a/arch/arm/lib/bootm.c
> +++ b/arch/arm/lib/bootm.c
> @@ -113,6 +113,11 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
>  		printf ("Using machid 0x%x from environment\n", machid);
>  	}
>  
> +#ifdef DEBUG
> +	if (machid == BI_ARCH_NUMBER_INVALID)
> +	        printf("Warning: machid not set.\n");
> +#endif
> +

Is it essential to enclose that check in #ifdef DEBUG?
IMHO, it can be useful also with no DEBUG defined,
so I'd add it without the #ifdef DEBUG.

Also, in the printf line, you are mixing tabs with spaces
(sorry for not noticing this in previous versions...).


-- 
Regards,
Igor.