driver-core: prepare for 2.6.27 api change by adding dev_set_name
Stephen Rothwell [Fri, 30 May 2008 00:16:40 +0000 (10:16 +1000)]
Create the dev_set_name function now so that various subsystems can
start changing over to it before other changes in 2.6.27 will make it
compulsory.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/base/core.c
include/linux/device.h

index 72eccae..422cfca 100644 (file)
@@ -760,6 +760,21 @@ static void device_remove_class_symlinks(struct device *dev)
 }
 
 /**
+ * dev_set_name - set a device name
+ * @dev: device
+ */
+int dev_set_name(struct device *dev, const char *fmt, ...)
+{
+       va_list vargs;
+
+       va_start(vargs, fmt);
+       vsnprintf(dev->bus_id, sizeof(dev->bus_id), fmt, vargs);
+       va_end(vargs);
+       return 0;
+}
+EXPORT_SYMBOL_GPL(dev_set_name);
+
+/**
  * device_add - add device to device hierarchy.
  * @dev: device.
  *
index 14616e8..6a2d04c 100644 (file)
@@ -385,6 +385,9 @@ static inline const char *dev_name(struct device *dev)
        return dev->bus_id;
 }
 
+extern int dev_set_name(struct device *dev, const char *name, ...)
+                       __attribute__((format(printf, 2, 3)));
+
 #ifdef CONFIG_NUMA
 static inline int dev_to_node(struct device *dev)
 {