From: Alan Stern <[EMAIL PROTECTED]>
This patch (as903) adds a "busnum" sysfs attribute for USB devices.
Signed-off-by: Alan Stern <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/core/sysfs.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 2ea47a3..e7c9823 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -118,6 +118,16 @@ show_speed(struct device *dev, struct device_attribute
*attr, char *buf)
static DEVICE_ATTR(speed, S_IRUGO, show_speed, NULL);
static ssize_t
+show_busnum(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct usb_device *udev;
+
+ udev = to_usb_device(dev);
+ return sprintf(buf, "%d\n", udev->bus->busnum);
+}
+static DEVICE_ATTR(busnum, S_IRUGO, show_busnum, NULL);
+
+static ssize_t
show_devnum(struct device *dev, struct device_attribute *attr, char *buf)
{
struct usb_device *udev;
@@ -347,6 +357,7 @@ static struct attribute *dev_attrs[] = {
&dev_attr_bNumConfigurations.attr,
&dev_attr_bMaxPacketSize0.attr,
&dev_attr_speed.attr,
+ &dev_attr_busnum.attr,
&dev_attr_devnum.attr,
&dev_attr_version.attr,
&dev_attr_maxchild.attr,
--
1.5.1.2
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