From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932968Ab1ESJhT (ORCPT ); Thu, 19 May 2011 05:37:19 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:46905 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932901Ab1ESJhR (ORCPT ); Thu, 19 May 2011 05:37:17 -0400 Date: Thu, 19 May 2011 11:37:06 +0200 From: Ingo Molnar To: Thomas Gleixner Cc: LKML , LAK , John Stultz Subject: Re: [patch 5/7] clockevents: Provide interface to reconfigure an active clock event device Message-ID: <20110519093706.GE6251@elte.hu> References: <20110518205713.947614271@linutronix.de> <20110518210136.437459958@linutronix.de> <20110519091024.GB6251@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Thomas Gleixner wrote: > On Thu, 19 May 2011, Ingo Molnar wrote: > > * Thomas Gleixner wrote: > > > + */ > > > +int clockevents_reconfigure(struct clock_event_device *dev, u32 freq) > > > > This too could use a struct clockevents_params perhaps - and would only use > > params.freq for now but might be extended in the future. > > > > But i'm fine with this API as well: > > I agree for the config_register interface, but here we really just > want to update the frequency and not change any other parameter. ok, fair enough - in that case i'd suggest making that property explicitly visible in the API name, via something like: int clockevents_set_freq(struct clock_event_device *dev, u32 freq) That way it's obvious at first sight what this does: clockevents_set_freq(dev, 1000000); Versus: clockevents_reconfigure(dev, 1000000); Thanks, Ingo