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    Subject[RFC PATCH v2 6/8] libata-acpi: register/unregister device to/from power resource
    Date
    Uses the interface introduced in earlier patch.

    Signed-off-by: Lin Ming <ming.m.lin@intel.com>
    ---
    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


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