linux-kernel - [PATCH] ACPI/Processor: use ACPI

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Message-Id: <1386315386-4650-1-git-send-email-tianyu.lan@intel.com>
Date:	Fri,  6 Dec 2013 15:36:26 +0800
From:	Lan Tianyu <tianyu.lan@...el.com>
To:	lenb@...nel.org, rjw@...ysocki.net
Cc:	Lan Tianyu <tianyu.lan@...el.com>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ACPI/Processor: use ACPI_COMPANION to get ACPI device

Using ACPI_COMPANION to get ACPI device instead of acpi_bus_get_device().

Signed-off-by: Lan Tianyu <tianyu.lan@...el.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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