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Subject[PATCH] ACPI/Processor: use ACPI_COMPANION to get ACPI device
Date
Using ACPI_COMPANION to get ACPI device instead of acpi_bus_get_device().

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
---
drivers/acpi/processor_driver.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 146ab7e..c1c3562 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -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,
--
1.8.2.1


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