diff options
| author | Kay Sievers <kay.sievers@vrfy.org> | 2009-04-30 15:23:42 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-06-15 21:30:25 -0700 |
| commit | f7a386c5b8ff34cd84ae922603d1c6f9d234edee (patch) | |
| tree | ae1c03544dd511d85cc537c632eba6f035072e36 /drivers/usb/core/usb.c | |
| parent | d405640539555b601e52f7d18f1f0b1345d18bf5 (diff) | |
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>
Diffstat (limited to 'drivers/usb/core/usb.c')
| -rw-r--r-- | drivers/usb/core/usb.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 7eee400d3e3..927a27dd2f8 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -305,10 +305,21 @@ static struct dev_pm_ops usb_device_pm_ops = { #endif /* CONFIG_PM */ + +static char *usb_nodename(struct device *dev) +{ + struct usb_device *usb_dev; + + usb_dev = to_usb_device(dev); + return kasprintf(GFP_KERNEL, "bus/usb/%03d/%03d", + usb_dev->bus->busnum, usb_dev->devnum); +} + struct device_type usb_device_type = { .name = "usb_device", .release = usb_release_dev, .uevent = usb_dev_uevent, + .nodename = usb_nodename, .pm = &usb_device_pm_ops, }; |