From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: Re: [PATCH] ARM: hw_breakpoint: Enable debug powerdown only if system supports 'has_ossr' Date: Mon, 25 Mar 2013 14:41:00 +0530 Message-ID: <515014A4.5020504@ti.com> References: <1363157553-21085-1-git-send-email-lokeshvutla@ti.com> <51406BA7.8010306@arm.com> <51407120.7030709@ti.com> <51417E58.5050501@ti.com> <20130315050014.GA15706@tiny-lites> <5146B972.1010002@ti.com> <20130318150724.GC28585@mudshark.cambridge.arm.com> <514736D4.4070906@ti.com> <20130318170649.GA29585@mudshark.cambridge.arm.com> <5148082A.3060503@ti.com> <20130319102803.GB22452@mudshark.cambridge.arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from bear.ext.ti.com ([192.94.94.41]:39220 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757807Ab3CYJKR (ORCPT ); Mon, 25 Mar 2013 05:10:17 -0400 In-Reply-To: <20130319102803.GB22452@mudshark.cambridge.arm.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Will Deacon Cc: Will Deacon , Lokesh Vutla , Dietmar Eggemann , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-omap@vger.kernel.org" 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: santosh.shilimkar@ti.com (Santosh Shilimkar) Date: Mon, 25 Mar 2013 14:41:00 +0530 Subject: [PATCH] ARM: hw_breakpoint: Enable debug powerdown only if system supports 'has_ossr' In-Reply-To: <20130319102803.GB22452@mudshark.cambridge.arm.com> References: <1363157553-21085-1-git-send-email-lokeshvutla@ti.com> <51406BA7.8010306@arm.com> <51407120.7030709@ti.com> <51417E58.5050501@ti.com> <20130315050014.GA15706@tiny-lites> <5146B972.1010002@ti.com> <20130318150724.GC28585@mudshark.cambridge.arm.com> <514736D4.4070906@ti.com> <20130318170649.GA29585@mudshark.cambridge.arm.com> <5148082A.3060503@ti.com> <20130319102803.GB22452@mudshark.cambridge.arm.com> Message-ID: <515014A4.5020504@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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