From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE84DC352BE for ; Fri, 17 Apr 2020 15:36:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF10D20936 for ; Fri, 17 Apr 2020 15:36:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kemnade.info header.i=@kemnade.info header.b="OdW7KdXp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729349AbgDQPgx (ORCPT ); Fri, 17 Apr 2020 11:36:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728956AbgDQPgw (ORCPT ); Fri, 17 Apr 2020 11:36:52 -0400 Received: from mail.andi.de1.cc (mail.andi.de1.cc [IPv6:2a01:238:4321:8900:456f:ecd6:43e:202c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56E88C061A0C; Fri, 17 Apr 2020 08:36:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20180802; h=Content-Transfer-Encoding:Content-Type: MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=vcwymhpAC/15yRZg8+DeqjyOHNYHJOED4/yGfBW+CMM=; b=OdW7KdXpbReAT9Bswx0vdyF4Bg 6QpD7/O0aVes/1sBIYlgy4IqVSSIqFm2hyOgN0xDYJ4Y5kND5Lyqvi2JfBk+I8YL5jwoy+FMS0G6X PJaGK1/olpjxt0QG2APOlf86lc9vkTimQVdq1rB5+SO6naKsk199jtwlNw3Gyz7Nl8ZE=; Received: from p200300ccff0bc3001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:cc:ff0b:c300:1a3d:a2ff:febf:d33a] helo=aktux) by mail.andi.de1.cc with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1jPT2r-0008JZ-I8; Fri, 17 Apr 2020 17:36:46 +0200 Date: Fri, 17 Apr 2020 17:36:44 +0200 From: Andreas Kemnade To: Tony Lindgren Cc: "H. Nikolaus Schaller" , Evgeniy Polyakov , Greg Kroah-Hartman , Linux Kernel Mailing List , linux-omap , Adam Ford , "Andrew F . Davis" , Vignesh R Subject: Re: [PATCHv3] w1: omap-hdq: Simplify driver with PM runtime autosuspend Message-ID: <20200417173644.03c99166@aktux> In-Reply-To: <20200417151447.GM37466@atomide.com> References: <20191217004048.46298-1-tony@atomide.com> <7B8C7DD9-095B-48FC-9642-695D07B79E97@goldelico.com> <20200416184638.GI37466@atomide.com> <3197C3F0-DEB9-4221-AFBD-4F2A08C84C4C@goldelico.com> <20200417164340.3d9043d1@aktux> <6430AF54-849E-456B-8DB0-B4478BBDB78D@goldelico.com> <20200417150721.GL37466@atomide.com> <20200417151447.GM37466@atomide.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 17 Apr 2020 08:14:47 -0700 Tony Lindgren wrote: > * Tony Lindgren [200417 15:08]: > > Maybe the PM runtime usecounts get unbalanced somewhere in the > > driver where we end up with driver permanently in disabled state? > > Or it could be that with omap_hdq.c no longer blocking SoC > deeper idle states, omap_hdq.c now loses context if you have > omap3 off mode enabled during idle? > I run twice (to get mmc access cached): root@(none):/# sleep 15 ; /usr/local/bin/idledump >/run/idledump ; cat /sys/cla ss/power_supply/bq27000-battery/current_now ; cat /run/idledump 32665 CM_IDLEST1_CORE 00000042 CM_IDLEST3_CORE 00000000 CM_FCLKEN1_CORE 00000000 CM_FCLKEN3_CORE 00000002 CM_CLKSTST_CORE 00000003 CM_IDLEST_CKGEN 00000001 CM_IDLEST2_CKGEN 00000000 CM_FCLKEN_DSS 00000000 CM_IDLEST_DSS 00000000 CM_FCLKEN_CAM 00000000 CM_IDLEST_CAM 00000000 CM_FCLKEN_PER 00000000 CM_IDLEST_PER 00030000 root@(none):/# root@(none):/# cat /sys/kernel/debug/pm_debug/count usbhost_pwrdm (ON),OFF:754,RET:9148,INA:0,ON:9903,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:1,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:237,RET:1202,INA:0,ON:1440,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:754,RET:9148,INA:0,ON:9903,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:638,RET:9015,INA:250,ON:9904,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:638,RET:9014,INA:250,ON:9903,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (16) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) core_l4_clkdm->core_pwrdm (21) core_l3_clkdm->core_pwrdm (1) neon_clkdm->neon_pwrdm (0) Regards, Andreas