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ACPI / processor: use ACPI_COMPANION() to get ACPI device

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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>
This commit is contained in:
Lan Tianyu 2013-12-06 15:36:26 +08:00 committed by Rafael J. Wysocki
parent 6dd7aca824
commit d0a7edbb66
1 changed files with 4 additions and 4 deletions
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8
drivers/acpi/processor_driver.c
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@ -224,9 +224,9 @@ static int __acpi_processor_start(struct acpi_device *device)
static int acpi_processor_start(struct device *dev)
{
struct acpi_device *device;
struct acpi_device *device = ACPI_COMPANION(dev);
if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
if (!device)
return -ENODEV;
return __acpi_processor_start(device);
@ -234,10 +234,10 @@ static int acpi_processor_start(struct device *dev)
static int acpi_processor_stop(struct device *dev)
{
struct acpi_device *device;
struct acpi_device *device = ACPI_COMPANION(dev);
struct acpi_processor *pr;
if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
if (!device)
return 0;
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,