From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
Subject: Re: [PATCH] efi: ARM: avoid warning about phys_addr_t cast
Date: Mon, 18 Apr 2016 22:12:33 +0100
Message-ID: <20160418211233.GZ2829@codeblueprint.co.uk>
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To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Cc: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>, Steve Capper <steve.capper-5wv7dgnIgG8@public.gmane.org>, Ard Biesheuvel <ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, David Daney <david.daney-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>, Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Leif Lindholm <leif.lindholm-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Dan Williams <dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-Id: linux-efi@vger.kernel.org

On Mon, 18 Apr, at 10:34:19AM, Arnd Bergmann wrote:
> memblock_remove() takes a phys_addr_t, which may be narrower than 64 bits,
> causing a harmless warning:
> 
> drivers/firmware/efi/arm-init.c: In function 'reserve_regions':
> include/linux/kernel.h:29:20: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
>  #define ULLONG_MAX (~0ULL)
>                     ^
> drivers/firmware/efi/arm-init.c:152:21: note: in expansion of macro 'ULLONG_MAX'
>   memblock_remove(0, ULLONG_MAX);
> 
> This adds an explicit typecast to avoid the warning
> 
> Signed-off-by: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
> Fixes: 500899c2cc3e ("efi: ARM/arm64: ignore DT memory nodes instead of removing them")
> ---
>  drivers/firmware/efi/arm-init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Will, this one is for you.

Reviewed-by: Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>