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Subject[PATCH] acpi/mem_hotplug: Use defined marco METHOD_NAME__STA
From: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>

We already have predefined marco for method name "_STA', so
using the marco instead of directly using the string.

Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
---
drivers/acpi/acpi_memhotplug.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 999adb5..dc0880d 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -152,8 +152,9 @@ static int acpi_memory_check_device(struct acpi_memory_device *mem_device)
unsigned long long current_status;

/* Get device present/absent information from the _STA */
- if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->device->handle, "_STA",
- NULL, &current_status)))
+ if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->device->handle,
+ METHOD_NAME__STA, NULL,
+ &current_status)))
return -ENODEV;
/*
* Check for device status. Device should be
--
1.7.1

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