From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756010Ab1KWTTr (ORCPT ); Wed, 23 Nov 2011 14:19:47 -0500 Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:11493 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750898Ab1KWTTp (ORCPT ); Wed, 23 Nov 2011 14:19:45 -0500 X-Mail-Handler: MailHop Outbound by DynDNS X-Originating-IP: 98.234.237.12 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/mailhop/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX18WXXxozacfhFVm5rf4gLiI Date: Wed, 23 Nov 2011 11:19:19 -0800 From: Tony Lindgren To: Mark Brown Cc: Russell King - ARM Linux , Greg KH , Mike Turquette , linaro-dev@lists.linaro.org, eric.miao@linaro.org, grant.likely@secretlab.ca, jeremy.kerr@canonical.com, Mike Turquette , sboyd@quicinc.com, magnus.damm@gmail.com, dsaxena@linaro.org, linux-arm-kernel@lists.infradead.org, arnd.bergmann@linaro.org, patches@linaro.org, tglx@linutronix.de, linux-omap@vger.kernel.org, richard.zhao@linaro.org, shawn.guo@freescale.com, paul@pwsan.com, linus.walleij@stericsson.com, linux-kernel@vger.kernel.org, amit.kucheria@linaro.org, skannan@quicinc.com Subject: Re: [PATCH v3 5/5] clk: export tree topology and clk data via sysfs Message-ID: <20111123191919.GH31337@atomide.com> References: <1321926047-14211-1-git-send-email-mturquette@linaro.org> <1321926047-14211-6-git-send-email-mturquette@linaro.org> <20111122154900.GB18954@kroah.com> <20111122191347.GB4844@kroah.com> <20111123165903.GF31337@atomide.com> <20111123180651.GB19739@n2100.arm.linux.org.uk> <20111123185518.GG31337@atomide.com> <20111123190954.GA4365@opensource.wolfsonmicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111123190954.GA4365@opensource.wolfsonmicro.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Mark Brown [111123 10:34]: > On Wed, Nov 23, 2011 at 10:55:19AM -0800, Tony Lindgren wrote: > > * Russell King - ARM Linux [111123 09:31]: > > > > Keep the clk API as a fundamental thing which should be initialized early > > > so we don't have to invent new clk APIs to get around its unavailability. > > > What else are you aware of that is really needed early for clocks other > > than clockevent? > > If nothing else we'd have to resolve all the device probe ordering > issues (Grant's patches seem a bit stalled) and convert all the systems > using the API to handle deferring probes until their clocks appear. > Using an early initcall of some kind would help with that but it does > seem like a lot of trouble and I'd expect it'll end up getting forced in > on most systems anyway. Yes the ordering depends on the system. In any case, initcalls are not super early compared to setup_timer. Tony