From patchwork Tue Jun 23 15:43:58 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Bishara X-Patchwork-Id: 29082 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by bilbo.ozlabs.org (Postfix) with ESMTP id 5E48FB7088 for ; Wed, 24 Jun 2009 01:44:35 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758940AbZFWPoD (ORCPT ); Tue, 23 Jun 2009 11:44:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759388AbZFWPoD (ORCPT ); Tue, 23 Jun 2009 11:44:03 -0400 Received: from host2.marvell.com ([65.219.4.2]:6287 "EHLO maili.marvell.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758940AbZFWPoB (ORCPT ); Tue, 23 Jun 2009 11:44:01 -0400 Received: from localhost.localdomain (ubuntu-saeed.marvell.com [10.4.50.39]) by maili.marvell.com (Postfix) with ESMTP id 194E062018; Tue, 23 Jun 2009 08:44:03 -0700 (PDT) From: Saeed Bishara To: linux-ide@vger.kernel.org, liml@rtr.ca Cc: saeed.bishara@gmail.com, Saeed Bishara Subject: [PATCH 3/3] sata_mv: add power management support for the platform driver Date: Tue, 23 Jun 2009 18:43:58 +0300 Message-Id: <1245771838-1332-3-git-send-email-saeed@marvell.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1245771838-1332-2-git-send-email-saeed@marvell.com> References: <1245771838-1332-1-git-send-email-saeed@marvell.com> <1245771838-1332-2-git-send-email-saeed@marvell.com> Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org Signed-off-by: Saeed Bishara --- drivers/ata/sata_mv.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 42 insertions(+), 0 deletions(-) diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index ca9157d..6723a9a 100755 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -4087,9 +4087,51 @@ static int __devexit mv_platform_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int mv_platform_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct ata_host *host = dev_get_drvdata(&pdev->dev); + if (host) + return ata_host_suspend(host, state); + return 0; +} + +static int mv_platform_resume(struct platform_device *pdev) +{ + struct ata_host *host = dev_get_drvdata(&pdev->dev); + int ret; + + if (host) { + struct mv_host_priv *hpriv = host->private_data; + const struct mv_sata_platform_data *mv_platform_data = \ + pdev->dev.platform_data; + /* + * (Re-)program MBUS remapping windows if we are asked to. + */ + if (mv_platform_data->dram != NULL) + mv_conf_mbus_windows(hpriv, mv_platform_data->dram); + + /* initialize adapter */ + ret = mv_init_host(host, chip_soc); + if (ret) { + printk(KERN_ERR DRV_NAME ": Error during HW init\n"); + return ret; + } + ata_host_resume(host); + } + + return 0; +} +#else +#define mv_platform_suspend NULL +#define mv_platform_resume NULL +#endif + static struct platform_driver mv_platform_driver = { .probe = mv_platform_probe, .remove = __devexit_p(mv_platform_remove), + .suspend = mv_platform_suspend, + .resume = mv_platform_resume, .driver = { .name = DRV_NAME, .owner = THIS_MODULE,