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Date:	Thu, 14 Mar 2013 20:24:47 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Guenter Roeck <linux@...ck-us.net>
Subject: [RFC PATCH 2/2] drivers/core: Add support for devm_ functions

Add support for devm_device_create_file and devm_device_remove_file.

Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/base/core.c    |   18 ++++++++++++++++++
 include/linux/device.h |    4 ++++
 2 files changed, 22 insertions(+)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 56536f4b0..76ff488 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -568,6 +568,16 @@ int device_create_file(struct device *dev,
 	return error;
 }
 
+int devm_device_create_file(struct device *dev,
+			    const struct device_attribute *attr)
+{
+	int error = 0;
+	if (dev)
+		error = devm_sysfs_create_file(dev, &attr->attr);
+	return error;
+}
+EXPORT_SYMBOL_GPL(devm_device_create_file);
+
 /**
  * device_remove_file - remove sysfs attribute file.
  * @dev: device.
@@ -580,6 +590,14 @@ void device_remove_file(struct device *dev,
 		sysfs_remove_file(&dev->kobj, &attr->attr);
 }
 
+void devm_device_remove_file(struct device *dev,
+			     const struct device_attribute *attr)
+{
+	if (dev)
+		devm_sysfs_remove_file(dev, &attr->attr);
+}
+EXPORT_SYMBOL_GPL(devm_device_remove_file);
+
 /**
  * device_create_bin_file - create sysfs binary attribute file for device.
  * @dev: device.
diff --git a/include/linux/device.h b/include/linux/device.h
index 9d6464e..1c56fb7 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -521,8 +521,12 @@ ssize_t device_store_bool(struct device *dev, struct device_attribute *attr,
 
 extern int device_create_file(struct device *device,
 			      const struct device_attribute *entry);
+extern int devm_device_create_file(struct device *device,
+				   const struct device_attribute *entry);
 extern void device_remove_file(struct device *dev,
 			       const struct device_attribute *attr);
+extern void devm_device_remove_file(struct device *dev,
+				    const struct device_attribute *attr);
 extern int __must_check device_create_bin_file(struct device *dev,
 					const struct bin_attribute *attr);
 extern void device_remove_bin_file(struct device *dev,
-- 
1.7.9.7

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