* [PATCH] ACPI/Processor: use ACPI_COMPANION to get ACPI device
@ 2013-12-06 7:36 Lan Tianyu
0 siblings, 0 replies; only message in thread
From: Lan Tianyu @ 2013-12-06 7:36 UTC (permalink / raw)
To: lenb, rjw; +Cc: Lan Tianyu, linux-acpi, linux-kernel
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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