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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable 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 90C66C10F00 for ; Fri, 15 Mar 2019 13:14:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A0F821871 for ; Fri, 15 Mar 2019 13:14:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729107AbfCONOm (ORCPT ); Fri, 15 Mar 2019 09:14:42 -0400 Received: from mga17.intel.com ([192.55.52.151]:24672 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729031AbfCONOl (ORCPT ); Fri, 15 Mar 2019 09:14:41 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Mar 2019 06:14:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,482,1544515200"; d="scan'208";a="134323309" Received: from smile.fi.intel.com (HELO smile) ([10.237.72.86]) by orsmga003.jf.intel.com with ESMTP; 15 Mar 2019 06:14:37 -0700 Received: from andy by smile with local (Exim 4.92) (envelope-from ) id 1h4mfT-0000Uh-Vz; Fri, 15 Mar 2019 15:14:35 +0200 Date: Fri, 15 Mar 2019 15:14:35 +0200 From: Andy Shevchenko To: Simon Horman Cc: Wolfram Sang , linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Keerthy , Peter Rosin , Tony Lindgren , Russell King , Stefan Lengfeld , Phil Reid , Tero Kristo , linux-omap@vger.kernel.org, linux-tegra@vger.kernel.org Subject: Re: [RFC PATCH v2 5/7] i2c: busses: omap: Add the master_xfer_irqless hook Message-ID: <20190315131435.GE9224@smile.fi.intel.com> References: <20190302134735.4393-1-wsa+renesas@sang-engineering.com> <20190302134735.4393-6-wsa+renesas@sang-engineering.com> <20190315124717.x3do5evok5syipo7@verge.net.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190315124717.x3do5evok5syipo7@verge.net.au> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 15, 2019 at 01:47:18PM +0100, Simon Horman wrote: > On Sat, Mar 02, 2019 at 02:47:33PM +0100, Wolfram Sang wrote: > > + if (!polling) { > > + timeout = wait_for_completion_timeout(&omap->cmd_complete, > > + OMAP_I2C_TIMEOUT); > > + } else { > > + do { > > + omap_i2c_wait(omap); > > + ret = omap_i2c_xfer_data(omap); > > + } while (ret == -EAGAIN); > > + > > + if (!ret) > > + timeout = 1; > > + else > > + timeout = 0; > > > nit: the following might be cleaner > > ret = !!timeout; > Other way around, perhaps, timeout = !ret; > > + } -- With Best Regards, Andy Shevchenko