summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/device.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index ade10dd..b473f42 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -142,6 +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 */
@@ -305,6 +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.
@@ -332,6 +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);
};
@@ -373,6 +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
OpenPOWER on IntegriCloud