X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fdevice.h;fp=include%2Flinux%2Fdevice.h;h=1e5f30da98bc528b9ab9aaf629a673cb50e6f8ae;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=e8e53b9accc67345908ecbb27c947b6035438e4f;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git

diff --git a/include/linux/device.h b/include/linux/device.h
index e8e53b9ac..1e5f30da9 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -11,7 +11,6 @@
 #ifndef _DEVICE_H_
 #define _DEVICE_H_
 
-#include <linux/config.h>
 #include <linux/ioport.h>
 #include <linux/kobject.h>
 #include <linux/klist.h>
@@ -61,11 +60,6 @@ extern void bus_unregister(struct bus_type * bus);
 
 extern void bus_rescan_devices(struct bus_type * bus);
 
-extern struct bus_type * get_bus(struct bus_type * bus);
-extern void put_bus(struct bus_type * bus);
-
-extern struct bus_type * find_bus(char * name);
-
 /* iterator helpers for buses */
 
 int bus_for_each_dev(struct bus_type * bus, struct device * start, void * data,
@@ -148,6 +142,7 @@ struct class {
 
 	struct subsystem	subsys;
 	struct list_head	children;
+	struct list_head	devices;
 	struct list_head	interfaces;
 	struct semaphore	sem;	/* locks both the children and interfaces lists */
 
@@ -164,9 +159,6 @@ struct class {
 extern int class_register(struct class *);
 extern void class_unregister(struct class *);
 
-extern struct class * class_get(struct class *);
-extern void class_put(struct class *);
-
 
 struct class_attribute {
 	struct attribute	attr;
@@ -314,6 +306,7 @@ struct device {
 	struct kobject kobj;
 	char	bus_id[BUS_ID_SIZE];	/* position on parent bus */
 	struct device_attribute uevent_attr;
+	struct device_attribute *devt_attr;
 
 	struct semaphore	sem;	/* semaphore to synchronize calls to
 					 * its driver.
@@ -341,6 +334,11 @@ struct device {
 	struct dma_coherent_mem	*dma_mem; /* internal for coherent mem
 					     override */
 
+	/* class_device migration path */
+	struct list_head	node;
+	struct class		*class;		/* optional*/
+	dev_t			devt;		/* dev_t, creates the sysfs "dev" */
+
 	void	(*release)(struct device * dev);
 };
 
@@ -382,6 +380,13 @@ extern int  device_attach(struct device * dev);
 extern void driver_attach(struct device_driver * drv);
 extern void device_reprobe(struct device *dev);
 
+/*
+ * Easy functions for dynamically creating devices on the fly
+ */
+extern struct device *device_create(struct class *cls, struct device *parent,
+				    dev_t devt, char *fmt, ...)
+				    __attribute__((format(printf,4,5)));
+extern void device_destroy(struct class *cls, dev_t devt);
 
 /*
  * Platform "fixup" functions - allow the platform to have their say
@@ -411,8 +416,9 @@ extern int firmware_register(struct subsystem *);
 extern void firmware_unregister(struct subsystem *);
 
 /* debugging and troubleshooting/diagnostic helpers. */
+extern const char *dev_driver_string(struct device *dev);
 #define dev_printk(level, dev, format, arg...)	\
-	printk(level "%s %s: " format , (dev)->driver ? (dev)->driver->name : "" , (dev)->bus_id , ## arg)
+	printk(level "%s %s: " format , dev_driver_string(dev) , (dev)->bus_id , ## arg)
 
 #ifdef DEBUG
 #define dev_dbg(dev, format, arg...)		\