[U-Boot] [PATCH] avr32: fix do_bootm_linux

[Tom Rini <trini@ti.com>]

On Tue, Jul 02, 2013 at 01:57:44PM +0200, Andreas Bie??mann wrote:

> Commit 35fc84fa1ff51e15ecd3e464dac87eb105ffed30 broke bootm on avr32. It
> requires to call do_bootm_linux() with flag set to BOOTM_STATE_OS_PREP before
> calling it again with flag set to BOOTM_STATE_OS_GO.
> Fix this by allowing flag set to BOOTM_STATE_OS_PREP, this however will
> require a complete refactoring later on.
> 
> Signed-off-by: Andreas Bie??mann <andreas.devel@googlemail.com>
> 
> ---
>  arch/avr32/lib/bootm.c |    9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/avr32/lib/bootm.c b/arch/avr32/lib/bootm.c
> index 87f3f9c..eedab9d 100644
> --- a/arch/avr32/lib/bootm.c
> +++ b/arch/avr32/lib/bootm.c
> @@ -187,6 +187,15 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
>  	struct	tag *params, *params_start;
>  	char	*commandline = getenv("bootargs");
>  
> +	/*
> +	 * allow the PREP bootm subcommand, it is required for bootm to work
> +	 *
> +	 * TODO: Andreas Bie??mann <andreas.devel@googlemail.com> refactor the
> +	 * do_bootm_linux() for avr32
> +	 */
> +	if (flag & BOOTM_STATE_OS_PREP)
> +		return 0;
> +
>  	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
>  		return 1;

Good catch!  I'm going to make a v2 of this patch that fixes all of the
other arches that're missing this hunk.

-- 
Tom
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