Merge kozmo.(none):/usr/src/linus-2.5

into kozmo.(none):/usr/src/fbdev-2.5

3 files changed, 34 insertions, 7 deletions

diff --git a/include/linux/i2c-dev.h b/include/linux/i2c-dev.h
index 3803c36293a8..dd2e43c66905 100644
--- a/include/linux/i2c-dev.h
+++ b/include/linux/i2c-dev.h
@@ -31,16 +31,16 @@
 
 /* This is the structure as used in the I2C_SMBUS ioctl call */
 struct i2c_smbus_ioctl_data {
-	char read_write;
+	__u8 read_write;
 	__u8 command;
-	int size;
+	__u32 size;
 	union i2c_smbus_data *data;
 };
 
 /* This is the structure as used in the I2C_RDWR ioctl call */
 struct i2c_rdwr_ioctl_data {
 	struct i2c_msg *msgs;	/* pointers to i2c_msgs */
-	int nmsgs;		/* number of i2c_msgs */
+	__u32 nmsgs;		/* number of i2c_msgs */
 };
 
 #endif /* _LINUX_I2C_DEV_H */
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index bc10de846363..12befd6bd7e0 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -182,6 +182,13 @@ static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
 	return dev_set_drvdata (&dev->dev, data);
 }
 
+#define I2C_DEVNAME(str)   .dev = { .name = str }
+
+static inline char *i2c_clientname(struct i2c_client *c)
+{
+	return c->dev.name;
+}
+
 /*
  * The following structs are for those who like to implement new bus drivers:
  * i2c_algorithm is the interface to a class of hardware solutions which can
@@ -360,15 +367,15 @@ extern int i2c_check_functionality (struct i2c_adapter *adap, u32 func);
  */
 struct i2c_msg {
 	__u16 addr;	/* slave address			*/
-	unsigned short flags;		
+ 	__u16 flags;		
 #define I2C_M_TEN	0x10	/* we have a ten bit chip address	*/
 #define I2C_M_RD	0x01
 #define I2C_M_NOSTART	0x4000
 #define I2C_M_REV_DIR_ADDR	0x2000
 #define I2C_M_IGNORE_NAK	0x1000
 #define I2C_M_NO_RD_ACK		0x0800
-	short len;		/* msg length				*/
-	char *buf;		/* pointer to msg data			*/
+ 	__u16 len;		/* msg length				*/
+ 	__u8 *buf;		/* pointer to msg data			*/
 };
 
 /* To determine what functionality is present */
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index e9cfa0dc3d24..8c84e7bce42e 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -57,12 +57,24 @@ struct kobj_type {
  *	of object; multiple ksets can belong to one subsystem. All 
  *	ksets of a subsystem share the subsystem's lock.
  *
+ *      Each kset can support hotplugging; if it does, it will be given
+ *      the opportunity to filter out specific kobjects from being
+ *      reported, as well as to add its own "data" elements to the
+ *      environment being passed to the hotplug helper.
  */
+struct kset_hotplug_ops {
+	int (*filter)(struct kset *kset, struct kobject *kobj);
+	char *(*name)(struct kset *kset, struct kobject *kobj);
+	int (*hotplug)(struct kset *kset, struct kobject *kobj, char **envp,
+			int num_envp, char *buffer, int buffer_size);
+};
+
 struct kset {
 	struct subsystem	* subsys;
 	struct kobj_type	* ktype;
 	struct list_head	list;
 	struct kobject		kobj;
+	struct kset_hotplug_ops	* hotplug_ops;
 };
 
 
@@ -86,6 +98,13 @@ static inline void kset_put(struct kset * k)
 	kobject_put(&k->kobj);
 }
 
+static inline struct kobj_type * get_ktype(struct kobject * k)
+{
+	if (k->kset && k->kset->ktype)
+		return k->kset->ktype;
+	else 
+		return k->ktype;
+}
 
 extern struct kobject * kset_find_obj(struct kset *, const char *);
 
@@ -95,11 +114,12 @@ struct subsystem {
 	struct rw_semaphore	rwsem;
 };
 
-#define decl_subsys(_name,_type) \
+#define decl_subsys(_name,_type,_hotplug_ops) \
 struct subsystem _name##_subsys = { \
 	.kset = { \
 		.kobj = { .name = __stringify(_name) }, \
 		.ktype = _type, \
+		.hotplug_ops =_hotplug_ops, \
 	} \
 }