From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Andrzej Siewior Subject: Re: [PATCH 05/15] tty: serial: Add 8250-core based omap driver Date: Fri, 29 Aug 2014 17:49:46 +0200 Message-ID: <5400A11A.7000202@linutronix.de> References: <1408124563-31541-1-git-send-email-bigeasy@linutronix.de> <1408124563-31541-6-git-send-email-bigeasy@linutronix.de> <20140815210716.GE9239@atomide.com> <20140815224446.GF9239@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: Received: from www.linutronix.de ([62.245.132.108]:47709 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753152AbaH2Pty (ORCPT ); Fri, 29 Aug 2014 11:49:54 -0400 In-Reply-To: <20140815224446.GF9239@atomide.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Tony Lindgren Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, balbi@ti.com, Vinod Koul , Greg Kroah-Hartman On 08/16/2014 12:44 AM, Tony Lindgren wrote: > Oh and echo mem > /sys/power/state and then hitting a key on the serial > console won't wake the system. Does that need to be manually configured > for device_may_wakeup()? This is what it looks like: /# echo enabled > /sys/devices/68000000.ocp/49020000.serial/tty/ttyS2/power/wakeup / # date; echo mem > /sys/power/state; date Sat Jan 1 07:01:41 UTC 2000 [ 249.916503] PM: Syncing filesystems ... done. [ 252.674652] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 252.683563] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 252.693084] Suspending console(s) (use no_console_suspend to debug) [ 252.715820] PM: suspend of devices complete after 11.688 msecs [ 252.722015] PM: late suspend of devices complete after 6.195 msecs [ 252.729187] PM: noirq suspend of devices complete after 7.110 msecs [ 252.729278] Successfully put all powerdomains to target state [ 252.733306] PM: noirq resume of devices complete after 3.967 msecs [ 252.738708] PM: early resume of devices complete after 4.425 msecs [ 252.910400] PM: resume of devices complete after 171.569 msecs [ 252.957855] Restarting tasks ... done. Sat Jan 1 07:01:51 UTC 2000 > Sebastian