linux-kernel - Re: [RFC Part2 v1 0/2] Refine the way to initialize IRQ for apb timer

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Date:	Fri, 12 Sep 2014 11:31:04 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	David Cohen <david.a.cohen@...ux.intel.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC Part2 v1 0/2] Refine the way to initialize IRQ for apb
 timer

On Fri, 2014-09-12 at 16:20 +0800, Jiang Liu wrote:
> Hi David and Andy,
> 	Could you please help to test these two patches on Intel MID
> platforms? It's based on Thomas patch to refine the way to initialize
> IRQ for apb timers. It should apply to the mainstream kernel.
> 

1) clean command line — OK

2) x86_intel_mid_timer=apbt_only — HANGS in the same place as w/o
Thomas' patch (see my last mail), but no warnings are printed

3) x86_intel_mid_timer=lapic_and_apbt — HANGS: same as above which is
differs to the same conditions w/o any patches (yours and Thomas')


> Jiang Liu (2):
>   intel_mid: Kill unused function apbt_quick_calibrate()
>   intel_mid: Refine the way to initialize IRQ for apb timer
> 
>  arch/x86/include/asm/apb_timer.h        |    2 -
>  arch/x86/kernel/apb_timer.c             |   79 +++++--------------------------
>  arch/x86/platform/intel-mid/intel-mid.c |   18 +++----
>  arch/x86/platform/intel-mid/sfi.c       |   20 ++++----
>  4 files changed, 30 insertions(+), 89 deletions(-)
> 


-- 
Andy Shevchenko <andriy.shevchenko@...el.com>
Intel Finland Oy

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