From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751434AbeAYK3z (ORCPT ); Thu, 25 Jan 2018 05:29:55 -0500 Received: from mail-pg0-f68.google.com ([74.125.83.68]:34885 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750769AbeAYK3x (ORCPT ); Thu, 25 Jan 2018 05:29:53 -0500 X-Google-Smtp-Source: AH8x225zwaT/MJH2jewIuZcqGkGMjlhh8kkAioNw47exeLvCUahwMlBGaL/LhCifrefJHlDsgjlrdQ== Date: Thu, 25 Jan 2018 18:29:41 +0800 From: Dong Aisheng To: Anson Huang Cc: shawnguo@kernel.org, kernel@pengutronix.de, fabio.estevam@nxp.com, robh+dt@kernel.org, aisheng.dong@nxp.com, mark.rutland@arm.com, linux@armlinux.org.uk, Linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] soc: imx: gpc: ARM power domain should be always-on Message-ID: <20180125102941.GA24622@b29396-OptiPlex-7040> References: <1516725734-32745-1-git-send-email-Anson.Huang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1516725734-32745-1-git-send-email-Anson.Huang@nxp.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 24, 2018 at 12:42:13AM +0800, Anson Huang wrote: > ARM power domain does NOT support runtime off, always-on > flag should be set to avoid incorrect power state in > pm_genpd_summary: > > Before: > > root@imx6qpdlsolox:~# cat /sys/kernel/debug/pm_genpd/pm_genpd_summary > domain status slaves > /device runtime status > ---------------------------------------------------------------------- > ARM off-0 > > After: > > root@imx6qpdlsolox:~# cat /sys/kernel/debug/pm_genpd/pm_genpd_summary > domain status slaves > /device runtime status > ---------------------------------------------------------------------- > ARM on > > Signed-off-by: Anson Huang Acked-by: Dong Aisheng Regards Dong Aisheng