From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mohamed Thalib H Subject: Could not enter target state in pm_suspend in Overo board. Date: Wed, 09 Feb 2011 12:27:35 +0530 Message-ID: <4D523ADF.9070402@e-consystems.com> Reply-To: mohamed@e-consystems.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smtp7.myhsphere.biz ([204.10.105.69]:39985 "EHLO mail9.myhsphere.biz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750906Ab1BIG5j (ORCPT ); Wed, 9 Feb 2011 01:57:39 -0500 Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: OMAP-KML Hi, I am testing pm in overo board. it is a freshly build kernel from OMAP mainline git. From the below log, I have doubt whether the OMAP really goes into suspend to RAM state. root@overo:~# echo mem > /sys/power/state [ 866.503662] PM: Syncing filesystems ... done. [ 866.590515] Freezing user space processes ... (elapsed 0.02 seconds) done. [ 866.620361] Freezing remaining freezable tasks ... (elapsed 0.04 seconds) done. [ 866.676452] Suspending console(s) (use no_console_suspend to debug) [ 866.807464] PM: suspend of devices complete after 119.415 msecs [ 866.810516] PM: late suspend of devices complete after 2.990 msecs [ 866.811279] omap_device: omap_uart.2: new worst case deactivate latency 0: 122070 [ 868.480895] Powerdomain (core_pwrdm) didn't enter target state 1 [ 868.480926] Could not enter target state in pm_suspend [ 868.482574] PM: early resume of devices complete after 1.464 msecs [ 868.734558] mmc1: error -110 during resume (card was removed?) [ 868.739562] PM: resume of devices complete after 256.439 msecs [ 868.796142] Restarting tasks ... done. Queries. [ 866.811279] omap_device: omap_uart.2: new worst case deactivate latency 0: 122070 1 . do I need to set some thing before suspend to ram. [ 868.480895] Powerdomain (core_pwrdm) didn't enter target state 1 [ 868.480926] Could not enter target state in pm_suspend 2. So it didn't enter into the suspend state completely . Could some one clarify the above. -- Best Regards, Mohamed Thalib H