From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: Re: [PATCH 6/6 v6] cpufreq, highbank: add support for highbank cpufreq Date: Thu, 29 Nov 2012 09:51:36 +0800 Message-ID: <20121129015133.GD28170@S2100-06.ap.freescale.net> References: <1351631056-25938-1-git-send-email-mark.langsdorf@calxeda.com> <1354046672-7392-1-git-send-email-mark.langsdorf@calxeda.com> <1354046672-7392-7-git-send-email-mark.langsdorf@calxeda.com> <20121128023240.GA28170@S2100-06.ap.freescale.net> <50B60E9C.9000405@calxeda.com> <20121128145759.GB28170@S2100-06.ap.freescale.net> <20121128151741.GC28170@S2100-06.ap.freescale.net> <20121128160115.21126.3841@nucleus> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20121128160115.21126.3841@nucleus> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Mike Turquette Cc: Mark Langsdorf , "linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "cpufreq-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" List-Id: devicetree@vger.kernel.org > The notifiers in the clk framework might be a better place for this than > just simply hacking the logic into the .set_rate callback. Ah, right. How did I forget about that nice piece? > I haven't looked at the definition of hb_voltage_change but does the > call graph make any clk api calls? Are you talking over i2c to a > regulator? If so then you'll probably hit the same reentrancy problem I > hit when trying to make a general solution. So, how is your "reentrancy in the common clk framework" series[1] going on? Haven't seen any update since August. Shawn [1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/182198