driver-core: add dev_name() to help transition away from using bus_id

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/include/linux/device.h b/include/linux/device.h
index 832fb0e..8c23e3d 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -380,6 +380,12 @@ struct device {
 /* Get the wakeup routines, which depend on struct device */
 #include <linux/pm_wakeup.h>
 
+static inline const char *dev_name(struct device *dev)
+{
+       /* will be changed into kobject_name(&dev->kobj) in the near future */
+       return dev->bus_id;
+}
+
 #ifdef CONFIG_NUMA
 static inline int dev_to_node(struct device *dev)
 {
@@ -478,7 +484,7 @@ extern void sysdev_shutdown(void);
 extern const char *dev_driver_string(struct device *dev);
 #define dev_printk(level, dev, format, arg...) \
        printk(level "%s %s: " format , dev_driver_string(dev) , \
-              (dev)->bus_id , ## arg)
+              dev_name(dev) , ## arg)
 
 #define dev_emerg(dev, format, arg...)         \
        dev_printk(KERN_EMERG , dev , format , ## arg)