From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965221Ab2CMAhO (ORCPT ); Mon, 12 Mar 2012 20:37:14 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:40699 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965008Ab2CMAY0 (ORCPT ); Mon, 12 Mar 2012 20:24:26 -0400 From: "Rafael J. Wysocki" To: "Linux-sh list" Subject: [PATCH 6/6] PM / shmobile: Make MTU2 driver use pm_genpd_dev_always_on() Date: Tue, 13 Mar 2012 01:28:05 +0100 User-Agent: KMail/1.13.6 (Linux/3.3.0-rc7+; KDE/4.6.0; x86_64; ; ) Cc: Linux PM list , Paul Mundt , Simon Horman , Magnus Damm , LKML , Cao Minh Hiep References: <201203130123.16268.rjw@sisk.pl> In-Reply-To: <201203130123.16268.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201203130128.05357.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rafael J. Wysocki Make the MTU2 clocksource driver mark its device as "always on" using pm_genpd_dev_always_on() to protect it from surprise power removals. Signed-off-by: Rafael J. Wysocki --- drivers/clocksource/sh_mtu2.c | 4 ++++ 1 file changed, 4 insertions(+) Index: linux/drivers/clocksource/sh_mtu2.c =================================================================== --- linux.orig/drivers/clocksource/sh_mtu2.c +++ linux/drivers/clocksource/sh_mtu2.c @@ -31,6 +31,7 @@ #include #include #include +#include struct sh_mtu2_priv { void __iomem *mapbase; @@ -306,6 +307,9 @@ static int __devinit sh_mtu2_probe(struc struct sh_mtu2_priv *p = platform_get_drvdata(pdev); int ret; + if (!is_early_platform_device(pdev)) + pm_genpd_dev_always_on(&pdev->dev, true); + if (p) { dev_info(&pdev->dev, "kept as earlytimer\n"); return 0;