linux-kernel - Re: [PATCH 03/17] ARM: mark const init data with __initconst instead of _

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Message-ID: <20120330061134.GD3254@S2101-09.ap.freescale.net>
Date:	Fri, 30 Mar 2012 14:11:36 +0800
From:	Shawn Guo <shawn.guo@...aro.org>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	kernel@...gutronix.de, Andrew Victor <linux@...im.org.za>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Russell King <linux@....linux.org.uk>,
	Sekhar Nori <nsekhar@...com>, Kevin Hilman <khilman@...com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Lennert Buytenhek <kernel@...tstofly.org>,
	Nicolas Pitre <nico@...xnic.net>,
	Eric Miao <eric.y.miao@...il.com>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	David Brown <davidb@...eaurora.org>,
	Daniel Walker <dwalker@...o99.com>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	Tony Lindgren <tony@...mide.com>,
	Barry Song <baohua.song@....com>, Andrew Lunn <andrew@...n.ch>,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	linux-arm-kernel@...ts.infradead.org,
	davinci-linux-open-source@...ux.davincidsp.com,
	linux-samsung-soc@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-omap@...r.kernel.org
Subject: Re: [PATCH 03/17] ARM: mark const init data with __initconst instead
 of __initdata

On Thu, Mar 29, 2012 at 11:12:20PM +0200, Uwe Kleine-König wrote:
...
> diff --git a/arch/arm/mach-imx/imx51-dt.c b/arch/arm/mach-imx/imx51-dt.c
> index 5cca573..7e00748 100644
> --- a/arch/arm/mach-imx/imx51-dt.c
> +++ b/arch/arm/mach-imx/imx51-dt.c
> @@ -102,7 +102,7 @@ static struct sys_timer imx51_timer = {
>  	.init = imx51_timer_init,
>  };
>  
> -static const char *imx51_dt_board_compat[] __initdata = {
> +static const char *imx51_dt_board_compat[] __initconst = {
>  	"fsl,imx51-babbage",
>  	"fsl,imx51",
>  	NULL

  CC      arch/arm/mach-imx/imx51-dt.o
arch/arm/mach-imx/imx51-dt.c:105:20: error: imx51_dt_board_compat causes a section type conflict
make[2]: *** [arch/arm/mach-imx/imx51-dt.o] Error 1

I do not understand why though.

-- 
Regards,
Shawn
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