driver-core: prepare for 2.6.27 api change by adding dev_set_name

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>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 72eccae4904b..422cfcad486d 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -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.
  *