Driver Core: usb: add nodename support for usb drivers.
This adds support for USB drivers to report their requested nodename to
userspace. It also updates a number of USB drivers to provide the
needed subdirectory and device name to be used for them.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c
index ba3709b..ec2f45d 100644
--- a/drivers/media/video/dabusb.c
+++ b/drivers/media/video/dabusb.c
@@ -747,8 +747,14 @@
.release = dabusb_release,
};
+static char *dabusb_nodename(struct device *dev)
+{
+ return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev));
+}
+
static struct usb_class_driver dabusb_class = {
.name = "dabusb%d",
+ .nodename = dabusb_nodename,
.fops = &dabusb_fops,
.minor_base = DABUSB_MINOR,
};