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Re: Support for (au1100) 64-bit physical address space broken on 2.6.12?

To: Rodolfo Giometti <>
Subject: Re: Support for (au1100) 64-bit physical address space broken on 2.6.12?
From: Pete Popov <>
Date: Sat, 16 Jul 2005 08:42:55 -0700
Cc: linux-mips <>
In-reply-to: <>
Organization: Embedded Alley Solutions, Inc
Original-recipient: rfc822;
References: <>
On Sat, 2005-07-16 at 14:42 +0200, Rodolfo Giometti wrote:
> Hello,
> switching from linux-mips 2.6.12-rc3 to 2.6.12 I notice that the
> following patch has been applied:
> But, on my system, recompiling the source I noticed that compilation
> stops with errors. Even downloading a clean version of source code
> from linux-mips's CVS and choosing, for instance, the board DB1100, I
> got the same result.
> The problem is that the above patch works well if the 64-bit physical
> address space support is disabled, but, if enabled, it breaks
> compilation stage.

I fixed this is the latest tree a couple of days ago.


> Here what I get after getting source form CVS and doing the commands:
>    # make pb1100_defconfig   (this board turn on CONFIG_64BIT_PHYS_ADDR 
> option)
>    # make
>    ...
>    include/asm-mips/mach-au1x00/ioremap.h:25: warning: static declaration of 
> 'fixup_bigphys_addr' follows non-static declaration
>    include/asm/pgtable.h:363: warning: 'fixup_bigphys_addr' declared inline 
> after being called
>    include/asm/pgtable.h:363: warning: previous declaration of 
> 'fixup_bigphys_addr' was here
>    include/asm-mips/mach-au1x00/ioremap.h: In function `fixup_bigphys_addr':
>    include/asm-mips/mach-au1x00/ioremap.h:26: warning: implicit declaration 
> of function `__fixup_bigphys_addr'
>    arch/mips/au1000/common/setup.c: At top level:
>    arch/mips/au1000/common/setup.c:159: error: conflicting types for 
> '__fixup_bigphys_addr'
>    include/asm-mips/mach-au1x00/ioremap.h:26: error: previous implicit 
> declaration of '__fixup_bigphys_addr' was here
>    arch/mips/au1000/common/setup.c: In function `__fixup_bigphys_addr':
>    ...
> After a little job I implemented the attached patch
> (patch-64BIT_PHYS_ADDR) that works on my system on both settings
> (CONFIG_64BIT_PHYS_ADDR on or off).
> I don't know if it can resolve the above problem for others CPUs (I
> tested it on au1100) but, at least, on this processor the PCMCIA
> support now is functional. :)
> I also suggest to apply the second patch (patch-PCMCIA_Kconfig) who
> simply auto enable 64 bit support when choosing PCMCIA support.
> Ciao,
> Rodolfo

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