From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lin Ming Subject: [RFC PATCH v2 6/8] libata-acpi: register/unregister device to/from power resource Date: Thu, 1 Mar 2012 17:02:55 +0800 Message-ID: <1330592577-16546-7-git-send-email-ming.m.lin@intel.com> References: <1330592577-16546-1-git-send-email-ming.m.lin@intel.com> Return-path: In-Reply-To: <1330592577-16546-1-git-send-email-ming.m.lin@intel.com> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-acpi@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 c2a4db6..ec2a5a4 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) -- 1.7.2.5