From mboxrd@z Thu Jan  1 00:00:00 1970
From: sshtylyov@mvista.com (Sergei Shtylyov)
Date: Thu, 07 Jul 2011 15:37:22 +0400
Subject: [PATCH 01/52] ARM: introduce atag_offset to replace boot_params
In-Reply-To: <1309920457-21913-1-git-send-email-nicolas.pitre@linaro.org>
References: <1309920457-21913-1-git-send-email-nicolas.pitre@linaro.org>
Message-ID: <4E159A72.1070503@mvista.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hello.

On 06-07-2011 6:46, Nicolas Pitre wrote:

> The boot_params member of the mdesc structure is used to provide a
> default physical address for the ATAG list.  Since this value is fixed
> at compile time and often based on ARCH_PHYS_OFFSET, it gets in the way
> of runtime PHYS_OFFSET usage.

> Let's introduce atag_offset which should contains only the relative
> offset from start of memory instead of an absolute value, in preparation
> to move all instance of boot_params over to it.

> Signed-off-by: Nicolas Pitre<nicolas.pitre@linaro.org>
[...]

> diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
> index e0db84d..4cc3e2b 100644
> --- a/arch/arm/kernel/setup.c
> +++ b/arch/arm/kernel/setup.c
> @@ -816,6 +816,8 @@ static struct machine_desc * __init setup_machine_tags(unsigned int nr)
>
>   	if (__atags_pointer)
>   		tags = phys_to_virt(__atags_pointer);
> +	else if(mdesc->atag_offset)

    Should be space after *if* -- checkpatch.pl should have complained.

WBR, Sergei