From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from imap.sh.mvista.com (unknown [63.81.120.155]) by ozlabs.org (Postfix) with ESMTP id D19B9DDEC4 for ; Fri, 18 May 2007 04:41:14 +1000 (EST) Message-ID: <464CA222.8000407@ru.mvista.com> Date: Thu, 17 May 2007 22:42:42 +0400 From: Sergei Shtylyov MIME-Version: 1.0 To: Kumar Gala Subject: Re: [PATCH 2.6.21-rt2] PowerPC: decrementer clockevent driver References: <200705172142.26739.sshtylyov@ru.mvista.com> <8E44DB06-767D-4864-8D2C-6132E4D4370B@kernel.crashing.org> <464C99FF.8080404@ru.mvista.com> <135307ED-7125-4859-8594-4B5B900D92D6@kernel.crashing.org> <464C9E67.2020909@ru.mvista.com> <6E0D5E13-C939-4FCE-81A3-F29DFA6436A2@kernel.crashing.org> In-Reply-To: <6E0D5E13-C939-4FCE-81A3-F29DFA6436A2@kernel.crashing.org> Content-Type: text/plain; charset=us-ascii; format=flowed Cc: linuxppc-dev@ozlabs.org, tglx@linutronix.de, mingo@elte.hu, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hello. Kumar Gala wrote: >> Kumar Gala wrote: >>> I haven't looked at all the new clock/timer code, is there any >>> utility in having support for more than one clock source? >> Of course, you may register as many as you like. > Sure, but is there any utility in registering more than the decrementer > on PPC? Not yet. I'm not sure I know any other PPC CPU facility fitting for clockevents. In theory, FIT could be used -- but its period is measured in powers of 2, IIRC. > - k WBR, Sergei