From patchwork Wed Jun 12 10:25:07 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: pekon gupta X-Patchwork-Id: 2709241 Return-Path: X-Original-To: patchwork-linux-omap@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 29104C1459 for ; Wed, 12 Jun 2013 10:25:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1A2EB20246 for ; Wed, 12 Jun 2013 10:25:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E27220237 for ; Wed, 12 Jun 2013 10:25:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756082Ab3FLKZn (ORCPT ); Wed, 12 Jun 2013 06:25:43 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:43964 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752343Ab3FLKZl (ORCPT ); Wed, 12 Jun 2013 06:25:41 -0400 Received: from dbdlxv05.itg.ti.com ([172.24.171.60]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id r5CAPGQp001532; Wed, 12 Jun 2013 05:25:17 -0500 Received: from DBDE72.ent.ti.com (dbde72.ent.ti.com [172.24.171.97]) by dbdlxv05.itg.ti.com (8.14.3/8.13.8) with ESMTP id r5CAPCue007395; Wed, 12 Jun 2013 05:25:15 -0500 Received: from dbdp33.itg.ti.com (172.24.170.252) by DBDE72.ent.ti.com (172.24.171.97) with Microsoft SMTP Server id 14.2.342.3; Wed, 12 Jun 2013 18:25:11 +0800 Received: from psplinux064.india.ti.com (smtpvbd.itg.ti.com [172.24.170.250]) by dbdp33.itg.ti.com (8.13.8/8.13.8) with ESMTP id r5CAPACQ019798; Wed, 12 Jun 2013 15:55:11 +0530 From: Pekon Gupta To: , , CC: avinash philip , Pekon Gupta Subject: [v4 2/3] arm: gpmc: Low power transition support Date: Wed, 12 Jun 2013 15:55:07 +0530 Message-ID: <1371032708-9242-3-git-send-email-pekon@ti.com> X-Mailer: git-send-email 1.8.1 In-Reply-To: <1371032708-9242-1-git-send-email-pekon@ti.com> References: <1371032708-9242-1-git-send-email-pekon@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 From: avinash philip With GPMC converted to platform driver recently, adds low power transition support in driver itself. Signed-off-by: Philip Avinash Signed-off-by: Pekon Gupta --- arch/arm/mach-omap2/gpmc.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 1380cee..b5c4752 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1655,6 +1655,24 @@ static int gpmc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int gpmc_suspend(struct device *dev) +{ + omap3_gpmc_save_context(); + pm_runtime_put_sync(dev); + return 0; +} + +static int gpmc_resume(struct device *dev) +{ + pm_runtime_get_sync(dev); + omap3_gpmc_restore_context(); + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(gpmc_pm_ops, gpmc_suspend, gpmc_resume); + static struct platform_driver gpmc_driver = { .probe = gpmc_probe, .remove = gpmc_remove, @@ -1662,6 +1680,7 @@ static struct platform_driver gpmc_driver = { .name = DEVICE_NAME, .owner = THIS_MODULE, .of_match_table = of_match_ptr(gpmc_dt_ids), + .pm = &gpmc_pm_ops, }, };