linux-kernel - Re: [PATCH] ARM: hw_breakpoint: Enable debug powerdown only if system supports 'has

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Message-ID: <515014A4.5020504@ti.com>
Date:	Mon, 25 Mar 2013 14:41:00 +0530
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	Will Deacon <will.deacon@....com>
CC:	Will Deacon <will@...ldeacon.co.uk>,
	Lokesh Vutla <lokeshvutla@...com>,
	Dietmar Eggemann <Dietmar.Eggemann@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
Subject: Re: [PATCH] ARM: hw_breakpoint: Enable debug powerdown only if system
 supports 'has_ossr'

Will,

On Tuesday 19 March 2013 03:58 PM, Will Deacon wrote:
> On Tue, Mar 19, 2013 at 06:39:38AM +0000, Santosh Shilimkar wrote:
>> On Monday 18 March 2013 10:36 PM, Will Deacon wrote:

[..]

>>> Well, we could just add the warn_once prints but that doesn't stop debug
>>> from breaking after the first pm/suspend/hotplug operation.
>>>
>> Probably we should drop the $subject patch approach and use warn_once
>> at least for current rc. Ofcourse it doesn't help to get working
>> hw_breakpoint support. Patch end of the email with warn_once.
> 
> Yeah, I'll merge that, but it's a real shame that this breaks hardware debug
> on one of the few platforms where it was reported to work.
> 
Are you going to send the patch for 3.9-rcx ? As I said before without the
patch OMAP4 CPUILDE is unusable because of that debug noise and hence it
will be good to get that patch in

Regards,
Santosh
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