linux-kernel - mips: CONF_CM_DEFAULT build error

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Message-ID: <20080525170718.GD1791@cs181133002.pp.htv.fi>
Date:	Sun, 25 May 2008 20:07:24 +0300
From:	Adrian Bunk <adrian.bunk@...ial.fi>
To:	Chris Dearman <chris@...s.com>,
	Atsushi Nemoto <anemo@....ocn.ne.jp>,
	Ralf Baechle <ralf@...ux-mips.org>
Cc:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: mips: CONF_CM_DEFAULT build error

Commit 351336929ccf222ae38ff0cb7a8dd5fd5c6236a0
([MIPS] Allow setting of the cache attribute at run time.)
causes the following build error with pnx8550-jbs_defconfig
and pnx8550-stb810_defconfig:

<--  snip  -->

...
  CC      arch/mips/nxp/pnx8550/stb810/board_setup.o
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/nxp/pnx8550/stb810/board_setup.c: In function 'board_setup':
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/nxp/pnx8550/stb810/board_setup.c:42: error: 'PAGE_CACHABLE_DEFAULT' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/nxp/pnx8550/stb810/board_setup.c:42: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/nxp/pnx8550/stb810/board_setup.c:42: error: for each function it appears in.)
make[2]: *** [arch/mips/nxp/pnx8550/stb810/board_setup.o] Error 1

<--  snip  -->


The problem is due to the following:

$ grep -r CONF_CM_DEFAULT *
arch/mips/nxp/pnx8550/jbs/board_setup.c:        config0 |= (CONF_CM_DEFAULT | (CONF_CM_DEFAULT<<25) |
arch/mips/nxp/pnx8550/jbs/board_setup.c:                        (CONF_CM_DEFAULT<<28));
arch/mips/nxp/pnx8550/stb810/board_setup.c:     config0 |= (CONF_CM_DEFAULT | (CONF_CM_DEFAULT<<25) |
arch/mips/nxp/pnx8550/stb810/board_setup.c:                     (CONF_CM_DEFAULT<<28));
include/asm-mips/pgtable-bits.h:#define CONF_CM_DEFAULT         (PAGE_CACHABLE_DEFAULT>>_CACHE_SHIFT)
$ grep -r PAGE_CACHABLE_DEFAULT *
include/asm-mips/pgtable-bits.h:#define CONF_CM_DEFAULT         (PAGE_CACHABLE_DEFAULT>>_CACHE_SHIFT)
$ 


cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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