From patchwork Wed Apr 23 01:27:02 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Fernandes X-Patchwork-Id: 4038401 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 8CECEBFF02 for ; Wed, 23 Apr 2014 01:40:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 72505201F7 for ; Wed, 23 Apr 2014 01:40:05 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C7ED220142 for ; Wed, 23 Apr 2014 01:39:50 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wcm6e-00084k-AB; Wed, 23 Apr 2014 01:36:12 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wclyf-0001Us-Jc for linux-arm-kernel@lists.infradead.org; Wed, 23 Apr 2014 01:27:59 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s3N1RXgb030731; Tue, 22 Apr 2014 20:27:33 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s3N1RXY2022606; Tue, 22 Apr 2014 20:27:33 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.174.1; Tue, 22 Apr 2014 20:27:32 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s3N1RW8u032478; Tue, 22 Apr 2014 20:27:32 -0500 Received: from joel-laptop.itg.ti.com (j-172-22-138-39.vpn.ti.com [172.22.138.39]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id s3N1RWt27823; Tue, 22 Apr 2014 20:27:32 -0500 (CDT) From: Joel Fernandes To: Tony Lindgren , Rob Herring , Linux OMAP List , Linux ARM Kernel List , Linux Kernel Mailing List Subject: [PATCH 1/8] ARM: OMAP2+: timer: Add a powerup function Date: Tue, 22 Apr 2014 20:27:02 -0500 Message-ID: <1398216429-4681-2-git-send-email-joelf@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1398216429-4681-1-git-send-email-joelf@ti.com> References: <1398216429-4681-1-git-send-email-joelf@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140422_182757_808268_7D3CC2BD X-CRM114-Status: GOOD ( 12.12 ) X-Spam-Score: -5.7 (-----) Cc: Joel Fernandes X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In an effort to isolate the time power initialization for future purposes, add a function to do the same. This primarily involves a hwmod lookup, setup and enable. Signed-off-by: Joel Fernandes --- arch/arm/mach-omap2/timer.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index dfb19df..ec427e6 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -210,6 +210,31 @@ static void __init omap_dmtimer_init(void) } } +int __init omap_dmtimer_powerup(struct device_node *np) +{ + struct omap_hwmod *oh; + const char *oh_name = NULL; + int ret; + + of_property_read_string_index(np, "ti,hwmods", 0, &oh_name); + if (!oh_name) + return -ENODEV; + + oh = omap_hwmod_lookup(oh_name); + if (!oh) + return -ENODEV; + + ret = omap_hwmod_setup_one(oh_name); + if (ret) + return ret; + + ret = omap_hwmod_enable(oh); + if (ret) + return ret; + + return 0; +} + /** * omap_dm_timer_get_errata - get errata flags for a timer *