From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Sun, 14 Oct 2012 01:43:25 +0200
Subject: [U-Boot] [PATCH v3 1/5] arm bootm: Allow to pass board
	specified atags
In-Reply-To: <1350156720-13387-2-git-send-email-pali.rohar@gmail.com>
References: <1327415291-13260-1-git-send-email-pali.rohar@gmail.com>
	<1350156720-13387-1-git-send-email-pali.rohar@gmail.com>
	<1350156720-13387-2-git-send-email-pali.rohar@gmail.com>
Message-ID: <201210140143.26020.marex@denx.de>
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To: u-boot@lists.denx.de

Dear Pali Roh?r,

... missing commit message ...

> Signed-off-by: Pali Roh?r <pali.rohar@gmail.com>
> ---
>  arch/arm/include/asm/setup.h |    5 +++++
>  arch/arm/lib/bootm.c         |    5 +++++
>  2 files changed, 10 insertions(+)

... missing changelog ...

> diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
> index 89df4dc..78a7fac 100644
> --- a/arch/arm/include/asm/setup.h
> +++ b/arch/arm/include/asm/setup.h
> @@ -267,3 +267,8 @@ struct meminfo {
>  extern struct meminfo meminfo;
> 
>  #endif
> +
> +/*
> + * Board specified tags
> + */

What's this ?

> +void setup_board_tags(struct tag **in_params);
> diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
> index a9070d5..c092bfa 100644
> --- a/arch/arm/lib/bootm.c
> +++ b/arch/arm/lib/bootm.c
> @@ -266,6 +266,10 @@ static int create_fdt(bootm_headers_t *images)
>  }
>  #endif
> 
> +void __setup_board_tags(void) {}
> +void setup_board_tags(struct tag **in_params)
> +	__attribute__((weak, alias("__setup_board_tags")));

__weak void setup...(...) {} works just fine. Include linux/compiler.h

>  /* Subcommand: PREP */
>  static void boot_prep_linux(bootm_headers_t *images)
>  {
> @@ -307,6 +311,7 @@ static void boot_prep_linux(bootm_headers_t *images)
>  			setup_initrd_tag(gd->bd, images->rd_start,
>  			images->rd_end);
>  #endif
> +		setup_board_tags(&params);
>  		setup_end_tag(gd->bd);
>  #else /* all tags */
>  		printf("FDT and ATAGS support not compiled in - hanging\n");

Best regards,
Marek Vasut