ACPI / processor: use ACPI_COMPANION() to get ACPI device
Use ACPI_COMPANION() to get an ACPI device instead of acpi_bus_get_device() in the processor driver. Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> [rjw: Changelog] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -224,9 +224,9 @@ static int __acpi_processor_start(struct acpi_device *device)
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static int acpi_processor_start(struct device *dev)
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{
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struct acpi_device *device;
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struct acpi_device *device = ACPI_COMPANION(dev);
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if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
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if (!device)
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return -ENODEV;
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return __acpi_processor_start(device);
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@ -234,10 +234,10 @@ static int acpi_processor_start(struct device *dev)
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static int acpi_processor_stop(struct device *dev)
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{
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struct acpi_device *device;
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struct acpi_device *device = ACPI_COMPANION(dev);
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struct acpi_processor *pr;
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if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
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if (!device)
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return 0;
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acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
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