From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753232Ab1AQKg0 (ORCPT ); Mon, 17 Jan 2011 05:36:26 -0500 Received: from vwp2514.webpack.hosteurope.de ([87.230.42.24]:43701 "EHLO vwp2514.webpack.hosteurope.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751715Ab1AQKgY (ORCPT ); Mon, 17 Jan 2011 05:36:24 -0500 Subject: Re: resume regression in 2.6.37 From: Sven Neumann To: Thomas Gleixner Cc: Daniel Mack , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org In-Reply-To: References: <1294933492.2535.23.camel@sven> <1294938961.10740.24.camel@sven> Content-Type: text/plain; charset="UTF-8" Organization: RAUMFELD GmbH Date: Mon, 17 Jan 2011 11:36:20 +0100 Message-ID: <1295260580.2060.29.camel@sven> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;s.neumann@raumfeld.com;1295260583;6f1d37e4; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2011-01-13 at 18:33 +0100, Thomas Gleixner wrote: > > Without the revert there is absolutely no sign of resume. With the > > change reverted I can see that the PXA powers up again, there's an LED > > showing that the USB controller has power again. Unfortunately there's > > seems to be another problem and the resume doesn't complete. I've tried > > to get console output by using no_console_suspend, but there's just > > gibberish on the console after resume :( > > > > Any idea on how to proceed from here? I could perhaps ask our hardware > > engineer to try find out where exactly we are stuck in the resume. But > > I'd like to avoid that if possible. > > Can you stick a printk into the set_wake() function of that irq chip > and print the irq and on arguments and the return value . Run that > with both stock 2.6.37 and the patch reverted. pxa3xx_set_wake(31, 1) returns 0 Same result with stock 2.6.37 and the patch reverted. Except that without the patch reverted, the device doesn't power up again. Sven