From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754800Ab2AHXRc (ORCPT ); Sun, 8 Jan 2012 18:17:32 -0500 Received: from mga14.intel.com ([143.182.124.37]:55264 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754645Ab2AHXRb (ORCPT ); Sun, 8 Jan 2012 18:17:31 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="54495313" Date: Mon, 9 Jan 2012 00:23:26 +0100 From: Samuel Ortiz To: Mark Brown Cc: Samuel Ortiz , linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com Subject: Re: [PATCH] mfd: Still check other interrupts if we get a wm831x touchscreen IRQ Message-ID: <20120108232326.GF13679@sortiz-mobl> References: <1325006410-22147-1-git-send-email-broonie@opensource.wolfsonmicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1325006410-22147-1-git-send-email-broonie@opensource.wolfsonmicro.com> 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 Mark, On Tue, Dec 27, 2011 at 05:20:10PM +0000, Mark Brown wrote: > It is possible that we will see another interrupt triggering at the same > time as the touchscreen interrupts so it's still worth checking other > possible sources. Almost all of the win from the fast path comes from only > needing to read the primary register and saving the I/O costs. Thanks, applied. Cheers, Samuel. -- Intel Open Source Technology Centre http://oss.intel.com/