From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42CB1C43331 for ; Thu, 26 Mar 2020 11:16:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 21A662073E for ; Thu, 26 Mar 2020 11:16:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727697AbgCZLQe (ORCPT ); Thu, 26 Mar 2020 07:16:34 -0400 Received: from mga14.intel.com ([192.55.52.115]:46569 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727688AbgCZLQe (ORCPT ); Thu, 26 Mar 2020 07:16:34 -0400 IronPort-SDR: e3VbePad0nW/e8dEObwaoQFs7tUT6Op1T9D0PpBC1b5fgdTBotJPYmHSEEaY0WMij3uE16xA0L JQKvxaKk/7cQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2020 04:16:34 -0700 IronPort-SDR: 5pfhECZ6Nxh72iWXLJEwEXaPfH6xptg85128w4PSREmlSgIhXeW9aQp2rQWd/qEE+gX9O1icjZ v1Y+URlohs0Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,308,1580803200"; d="scan'208";a="247515749" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by orsmga003.jf.intel.com with ESMTP; 26 Mar 2020 04:16:32 -0700 Received: from andy by smile with local (Exim 4.93) (envelope-from ) id 1jHQV1-00D6Iq-4v; Thu, 26 Mar 2020 13:16:35 +0200 Date: Thu, 26 Mar 2020 13:16:35 +0200 From: Andy Shevchenko To: Wolfram Sang Cc: Wolfram Sang , linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: Re: [RFC PATCH] i2c: refactor parsing of timings Message-ID: <20200326111635.GO1922688@smile.fi.intel.com> References: <20200326101647.1756-1-wsa+renesas@sang-engineering.com> <20200326104701.GM1922688@smile.fi.intel.com> <20200326110042.GB1538@ninjato> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200326110042.GB1538@ninjato> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org On Thu, Mar 26, 2020 at 12:00:42PM +0100, Wolfram Sang wrote: > > > However, looking into the code, I would go a bit further (perhaps as a separate > > change) and export parsing of clock-frequency, because tons of drivers only > > need one property, i.e. clock-frequency out of firmware. > > Cool idea. Could be easily something like this (typed from the top of my > head): > > static inline u32 i2c_parse_fw_bus_speed(struct device *dev) > { > u32 speed; > > i2c_parse_timing(dev, "clock-frequency", &speed, I2C_MAX_STANDARD_MODE_FREQ, true); > > return speed; > } Yes, looks like this, thanks! -- With Best Regards, Andy Shevchenko