From patchwork Wed Mar 28 06:21:58 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lin Ming X-Patchwork-Id: 149152 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 [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id A3BB6B6EF1 for ; Wed, 28 Mar 2012 17:24:39 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751683Ab2C1GWx (ORCPT ); Wed, 28 Mar 2012 02:22:53 -0400 Received: from mga02.intel.com ([134.134.136.20]:29776 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751588Ab2C1GWw (ORCPT ); Wed, 28 Mar 2012 02:22:52 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 27 Mar 2012 23:22:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,352,1309762800"; d="scan'208";a="122519264" Received: from minggr.sh.intel.com ([10.239.36.45]) by orsmga001.jf.intel.com with ESMTP; 27 Mar 2012 23:22:49 -0700 From: Lin Ming To: Zhang Rui , Jeff Garzik , Alan Stern , "Rafael J. Wysocki" , Tejun Heo , Aaron Lu Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org, linux-acpi Subject: [PATCH v3 3/7] libata-acpi: register/unregister device to/from power resource Date: Wed, 28 Mar 2012 14:21:58 +0800 Message-Id: <1332915722-15963-4-git-send-email-ming.m.lin@intel.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1332915722-15963-1-git-send-email-ming.m.lin@intel.com> References: <1332915722-15963-1-git-send-email-ming.m.lin@intel.com> Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org Uses the interface introduced in earlier patch. Signed-off-by: Lin Ming --- drivers/ata/libata-acpi.c | 32 ++++++++++++++++++++++++++++++++ 1 files changed, 32 insertions(+), 0 deletions(-) diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index ba9382a..81ef0f5 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -1033,16 +1033,48 @@ static void ata_acpi_remove_pm_notifier(struct ata_device *dev) } } +static void ata_acpi_register_power_resource(struct ata_device *dev) +{ + struct scsi_device *sdev = dev->sdev; + acpi_handle handle; + struct device *device; + + handle = ata_dev_acpi_handle(dev); + if (!handle) + return; + + device = &sdev->sdev_gendev; + + acpi_power_resource_register_device(device, handle); +} + +static void ata_acpi_unregister_power_resource(struct ata_device *dev) +{ + struct scsi_device *sdev = dev->sdev; + acpi_handle handle; + struct device *device; + + handle = ata_dev_acpi_handle(dev); + if (!handle) + return; + + device = &sdev->sdev_gendev; + + acpi_power_resource_unregister_device(device, handle); +} + void ata_acpi_bind(struct ata_device *dev) { ata_acpi_bind_dock(dev); ata_acpi_add_pm_notifier(dev); + ata_acpi_register_power_resource(dev); } void ata_acpi_unbind(struct ata_device *dev) { ata_acpi_unbind_dock(dev); ata_acpi_remove_pm_notifier(dev); + ata_acpi_unregister_power_resource(dev); } static int is_pci_ata(struct device *dev)