[PATCH 2/3] drivers: add a new device_create_file_uevent API

[Bryan Wu]

This will use sysfs_create_file_uevent to create a sysfs file and send out
a uevent to userspace application such as udev.

Signed-off-by: Bryan Wu 
---
 drivers/base/core.c| 19 +++
 include/linux/device.h |  4 
 2 files changed, 23 insertions(+)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 346be8b..62fd266 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -538,6 +538,25 @@ int device_create_file(struct device *dev,
 }
 
 /**
+ * device_create_file_uevent - create sysfs attribute file for device
+ * and send a uevent to userspace.
+ * @dev: device.
+ * @attr: device attribute descriptor.
+ * @desc: description about the uevent.
+ * @action: kobject uevent action type.
+ */
+int device_create_file_uevent(struct device *dev,
+  const struct device_attribute *attr,
+  const char *desc,
+  enum kobject_action action)
+{
+   int error = 0;
+   if (dev)
+   error = sysfs_create_file_uevent(>kobj, >attr,
+desc, action);
+   return error;
+}
+/**
  * device_remove_file - remove sysfs attribute file.
  * @dev: device.
  * @attr: device attribute descriptor.
diff --git a/include/linux/device.h b/include/linux/device.h
index 6de9415..d1545f3 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -510,6 +510,10 @@ ssize_t device_store_int(struct device *dev, struct 
device_attribute *attr,
 
 extern int device_create_file(struct device *device,
  const struct device_attribute *entry);
+extern int device_create_file_uevent(struct device *dev,
+   const struct device_attribute *attr,
+  const char *desc,
+  enum kobject_action action);
 extern void device_remove_file(struct device *dev,
   const struct device_attribute *attr);
 extern int __must_check device_create_bin_file(struct device *dev,
-- 
1.7.11.1

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[PATCH 2/3] drivers: add a new device_create_file_uevent API

[Bryan Wu]

This will use sysfs_create_file_uevent to create a sysfs file and send out
a uevent to userspace application such as udev.

Signed-off-by: Bryan Wu bryan...@canonical.com
---
 drivers/base/core.c| 19 +++
 include/linux/device.h |  4 
 2 files changed, 23 insertions(+)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 346be8b..62fd266 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -538,6 +538,25 @@ int device_create_file(struct device *dev,
 }
 
 /**
+ * device_create_file_uevent - create sysfs attribute file for device
+ * and send a uevent to userspace.
+ * @dev: device.
+ * @attr: device attribute descriptor.
+ * @desc: description about the uevent.
+ * @action: kobject uevent action type.
+ */
+int device_create_file_uevent(struct device *dev,
+  const struct device_attribute *attr,
+  const char *desc,
+  enum kobject_action action)
+{
+   int error = 0;
+   if (dev)
+   error = sysfs_create_file_uevent(dev-kobj, attr-attr,
+desc, action);
+   return error;
+}
+/**
  * device_remove_file - remove sysfs attribute file.
  * @dev: device.
  * @attr: device attribute descriptor.
diff --git a/include/linux/device.h b/include/linux/device.h
index 6de9415..d1545f3 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -510,6 +510,10 @@ ssize_t device_store_int(struct device *dev, struct 
device_attribute *attr,
 
 extern int device_create_file(struct device *device,
  const struct device_attribute *entry);
+extern int device_create_file_uevent(struct device *dev,
+   const struct device_attribute *attr,
+  const char *desc,
+  enum kobject_action action);
 extern void device_remove_file(struct device *dev,
   const struct device_attribute *attr);
 extern int __must_check device_create_bin_file(struct device *dev,
-- 
1.7.11.1

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Please read the FAQ at  http://www.tux.org/lkml/