linux-kernel - Re: [RFC] Removal of dead code from arch/arm/*

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Date:	Thu, 21 Oct 2010 08:54:01 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	"N.P.S." <napohybelskurwysynom2010@...il.com>
Cc:	Eric Miao <eric.y.miao@...il.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC] Removal of dead code from arch/arm/*

On Thu, Oct 21, 2010 at 02:39:55AM +0200, N.P.S. wrote:
> diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
> index 38c261f..fd30b75 100644
> --- a/arch/arm/kernel/time.c
> +++ b/arch/arm/kernel/time.c
> @@ -37,13 +37,9 @@
>   */
>  struct sys_timer *system_timer;
>
> -#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE)
> +#if defined(CONFIG_RTC_DRV_CMOS)
>  /* this needs a better home */
>  DEFINE_SPINLOCK(rtc_lock);
> -
> -#ifdef CONFIG_RTC_DRV_CMOS_MODULE
> -EXPORT_SYMBOL(rtc_lock);
> -#endif
>  #endif    /* pc-style 'CMOS' RTC support */
>
>  /* change this if you have some constant time drift */

This is wrong, and will break the build if rtc-cmos is built as a module.
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