linux-kernel - Re: [PATCH 1/2] x86, hpet: Make boot_hpet

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Date:	Thu, 8 May 2014 14:28:57 +0800
From:	Feng Tang <feng.tang@...el.com>
To:	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Cc:	Clemens Ladisch <clemens@...isch.de>,
	John Stultz <john.stultz@...aro.org>
Subject: Re: [PATCH 1/2] x86, hpet: Make boot_hpet_disable extern

Ping for comments for these 2 patches. Thanks!

- Feng

On Thu, Apr 24, 2014 at 04:18:17PM +0800, Feng Tang wrote:
> HPET on some platform has accuracy problem. Making
> "boot_hpet_disable" extern so that we can runtime disable
> the HPET timer by using quirk to check the platform.
> 
> Signed-off-by: Feng Tang <feng.tang@...el.com>
> ---
>  arch/x86/include/asm/hpet.h |    1 +
>  arch/x86/kernel/hpet.c      |    2 +-
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
> index b18df57..36f7125 100644
> --- a/arch/x86/include/asm/hpet.h
> +++ b/arch/x86/include/asm/hpet.h
> @@ -63,6 +63,7 @@
>  /* hpet memory map physical address */
>  extern unsigned long hpet_address;
>  extern unsigned long force_hpet_address;
> +extern int boot_hpet_disable;
>  extern u8 hpet_blockid;
>  extern int hpet_force_user;
>  extern u8 hpet_msi_disable;
> diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
> index 8d80ae0..4177bfb 100644
> --- a/arch/x86/kernel/hpet.c
> +++ b/arch/x86/kernel/hpet.c
> @@ -88,7 +88,7 @@ static inline void hpet_clear_mapping(void)
>  /*
>   * HPET command line enable / disable
>   */
> -static int boot_hpet_disable;
> +int boot_hpet_disable;
>  int hpet_force_user;
>  static int hpet_verbose;
>  
> -- 
> 1.7.9.5
--
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