From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756931Ab3A0Xwo (ORCPT ); Sun, 27 Jan 2013 18:52:44 -0500 Received: from mga02.intel.com ([134.134.136.20]:2886 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754326Ab3A0Xwk (ORCPT ); Sun, 27 Jan 2013 18:52:40 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,547,1355126400"; d="scan'208";a="253318870" Date: Mon, 28 Jan 2013 00:52:39 +0100 From: Samuel Ortiz To: Lee Jones Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, arnd@arndb.de, linus.walleij@stericsson.com, Jonas Aaberg Subject: Re: [PATCH 05/26] mfd: ab8500-gpadc: Change to mdelay for greater resolution Message-ID: <20130127235239.GM1174@sortiz-mobl> References: <1358254566-12419-1-git-send-email-lee.jones@linaro.org> <1358254566-12419-6-git-send-email-lee.jones@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1358254566-12419-6-git-send-email-lee.jones@linaro.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Lee, Jonas, On Tue, Jan 15, 2013 at 12:55:45PM +0000, Lee Jones wrote: > From: Jonas Aaberg > > The resolution of msleep is related to HZ, so with HZ set to > 100 any msleep of less than 10ms will become ~10ms. usleep_range would be more appropriate, sleeping should be preferred over spinning. Cheers, Samuel. -- Intel Open Source Technology Centre http://oss.intel.com/