Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933945AbXILVIg (ORCPT ); Wed, 12 Sep 2007 17:08:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762396AbXILVGo (ORCPT ); Wed, 12 Sep 2007 17:06:44 -0400 Received: from mail.gmx.net ([213.165.64.20]:41135 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S933503AbXILVGl (ORCPT ); Wed, 12 Sep 2007 17:06:41 -0400 X-Authenticated: #441233 X-Provags-ID: V01U2FsdGVkX19+TC1kiu1+WGVV2spz3yyesW87+4KYRvNJ8rrPqP cX1N0JgRN+bY8c Date: Wed, 12 Sep 2007 23:06:39 +0200 From: Michael Mauch To: linux-kernel@vger.kernel.org Subject: Re: wake up from a serial port Message-ID: <20070912210639.GA10172@elmicha> Mail-Followup-To: linux-kernel@vger.kernel.org References: <200709100831.l8A8VUH6015446@imap1.linux-foundation.org> <20070910132703.2dd92485@the-village.bc.nu> <20070911081220.GA20847@flint.arm.linux.org.uk> <20070911121057.34b9e066@the-village.bc.nu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.16 (2007-06-09) X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 770 Lines: 23 Guennadi Liakhovetski wrote: > Enable wakeup from serial ports, make it run-time configurable over sysfs, > e.g., > > echo enabled > /sys/devices/platform/serial8250.0/tty/ttyS0/power/wakeup Interesting, but how does that work from a user's/hardware perspective? Do I have to pull DSR/RI to +12V? Can I use one of the other pins to get these +12V (i.e. a switch and a resistor to shorten these pins is enough)? And probably in the BIOS I have to enable "wake on modem ring" (or something similar)? Regards... Michael - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/