Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753695Ab1DFGoS (ORCPT ); Wed, 6 Apr 2011 02:44:18 -0400 Received: from na3sys009aog109.obsmtp.com ([74.125.149.201]:33620 "EHLO na3sys009aog109.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751481Ab1DFGoR (ORCPT ); Wed, 6 Apr 2011 02:44:17 -0400 Message-ID: <4D9C0BAA.40602@ti.com> Date: Wed, 06 Apr 2011 12:13:54 +0530 From: Santosh Shilimkar User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.15) Gecko/20110303 Thunderbird/3.1.9 MIME-Version: 1.0 To: Linus Walleij CC: david@lang.hm, Russell King - ARM Linux , Arnd Bergmann , Nicolas Pitre , Marc Zyngier , Catalin Marinas , lkml , Tony Lindgren , linux-arm-kernel@lists.infradead.org, "H. Peter Anvin" , Thomas Gleixner , linux-omap@vger.kernel.org, Linus Torvalds , Ingo Molnar , Detlef Vollmann , David Brown , Stephen Boyd Subject: Re: [GIT PULL] omap changes for v2.6.39 merge window References: <201104031726.37420.arnd@arndb.de> <20110403160324.GA8050@n2100.arm.linux.org.uk> <201104040259.26601.arnd@arndb.de> <1301915022.15819.28.camel@e102109-lin.cambridge.arm.com> <20110404112104.GB19854@n2100.arm.linux.org.uk> <1301923457.417.34.camel@e102391-lin.cambridge.arm.com> <20110404133104.GA23266@n2100.arm.linux.org.uk> <1301925445.417.54.camel@e102391-lin.cambridge.arm.com> <4D9AB958.5010304@ti.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1016 Lines: 28 On 4/6/2011 3:46 AM, Linus Walleij wrote: > 2011/4/5 Santosh Shilimkar: >> [Me] >>> (And third it will also eventually need to hook into the timer-based >>> delay framework that I think Nokia is working on to be really >>> useful, else all delays become unpredictable.) >>> >> Do you mean udelay()/mdelay() here ? > > Yes. Stephen Boyd from Qualcomm has floated patches to fix it for the > ARM architecture, I just pushed him again. We use it in our > ST-Ericsson products. > I remember the post. > Ideally you'd want that to go along with the A15 timer stuff so that this > monotonic high-precision timer is also used for udelay()/mdelay(). > The A15 counter which is always available and running can be used to emulate this. Regards Santosh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/