linux-kernel - Re: [PATCH] of: Specify initrd location using 64-bit

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Date:	Fri, 21 Jun 2013 13:12:38 -0400
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	James Hogan <james.hogan@...tec.com>,
	Vineet Gupta <Vineet.Gupta1@...opsys.com>
CC:	<linux-kernel@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Mark Salter <msalter@...hat.com>,
	Aurelien Jacquiot <a-jacquiot@...com>,
	Michal Simek <monstr@...str.eu>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Jonas Bonn <jonas@...thpole.se>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>, <x86@...nel.org>,
	<arm@...nel.org>, Chris Zankel <chris@...kel.net>,
	Max Filippov <jcmvbkbc@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>, <bigeasy@...utronix.de>,
	<robherring2@...il.com>, Nicolas Pitre <nicolas.pitre@...aro.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-c6x-dev@...ux-c6x.org>, <linux-mips@...ux-mips.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-xtensa@...ux-xtensa.org>,
	<devicetree-discuss@...ts.ozlabs.org>
Subject: Re: [PATCH] of: Specify initrd location using 64-bit

Vineet, James,

On Friday 21 June 2013 04:23 AM, James Hogan wrote:
> On 21/06/13 05:39, Vineet Gupta wrote:
>> Hi Santosh,
>>
>> On 06/21/2013 06:22 AM, Santosh Shilimkar wrote:
>>> Cc: Vineet Gupta <vgupta@...opsys.com>
>>> Cc: Russell King <linux@....linux.org.uk>
>>> Cc: Catalin Marinas <catalin.marinas@....com>
>>> Cc: Will Deacon <will.deacon@....com>
>>> Cc: Mark Salter <msalter@...hat.com>
>>> Cc: Aurelien Jacquiot <a-jacquiot@...com>
>>> Cc: James Hogan <james.hogan@...tec.com>
>>> Cc: Michal Simek <monstr@...str.eu>
>>> Cc: Ralf Baechle <ralf@...ux-mips.org>
>>> Cc: Jonas Bonn <jonas@...thpole.se>
>>> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
>>> Cc: Paul Mackerras <paulus@...ba.org>
>>> Cc: x86@...nel.org
>>> Cc: arm@...nel.org
>>> Cc: Chris Zankel <chris@...kel.net>
>>> Cc: Max Filippov <jcmvbkbc@...il.com>
>>> Cc: Grant Likely <grant.likely@...aro.org>
>>> Cc: Rob Herring <rob.herring@...xeda.com>
>>> Cc: bigeasy@...utronix.de
>>> Cc: robherring2@...il.com
>>> Cc: Nicolas Pitre <nicolas.pitre@...aro.org>
>>>
>>> Cc: linux-arm-kernel@...ts.infradead.org
>>> Cc: linux-c6x-dev@...ux-c6x.org
>>> Cc: linux-mips@...ux-mips.org
>>> Cc: linuxppc-dev@...ts.ozlabs.org
>>> Cc: linux-xtensa@...ux-xtensa.org
>>> Cc: devicetree-discuss@...ts.ozlabs.org
>>>
>>> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@...com>
>>> ---
>>>  arch/arc/mm/init.c            |    3 +--
>>>  arch/arm/mm/init.c            |    2 +-
>>>  arch/arm64/mm/init.c          |    3 +--
>>>  arch/c6x/kernel/devicetree.c  |    3 +--
>>>  arch/metag/mm/init.c          |    3 +--
>>>  arch/microblaze/kernel/prom.c |    3 +--
>>>  arch/mips/kernel/prom.c       |    3 +--
>>>  arch/openrisc/kernel/prom.c   |    3 +--
>>>  arch/powerpc/kernel/prom.c    |    3 +--
>>>  arch/x86/kernel/devicetree.c  |    3 +--
>>>  arch/xtensa/kernel/setup.c    |    3 +--
>>>  drivers/of/fdt.c              |   10 ++++++----
>>>  include/linux/of_fdt.h        |    3 +--
>>>  13 files changed, 18 insertions(+), 27 deletions(-)
>>>
>>> diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
>>> index 4a17736..3640c74 100644
>>> --- a/arch/arc/mm/init.c
>>> +++ b/arch/arc/mm/init.c
>>> @@ -157,8 +157,7 @@ void __init free_initrd_mem(unsigned long start, unsigned long end)
>>>  #endif
>>>  
>>>  #ifdef CONFIG_OF_FLATTREE
>>> -void __init early_init_dt_setup_initrd_arch(unsigned long start,
>>> -					    unsigned long end)
>>> +void __init early_init_dt_setup_initrd_arch(u64 start, u64 end)
>>>  {
>>>  	pr_err("%s(%lx, %lx)\n", __func__, start, end);
>>>  }
>>
>> To avoid gcc warnings, you need to fix the print format specifiers too.
> 
> The same thing goes for arch/metag too.
> 
Will update that in next version based on what we will end
after the dicussion. i.e u64 or phys_addr_t

Thanks for comments.

Regards,
Santosh
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