Commit 83f7d958 authored by Alan Stern's avatar Alan Stern Committed by Greg Kroah-Hartman
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USB: add "busnum" attribute for USB devices 



This patch (as903) adds a "busnum" sysfs attribute for USB devices.

Signed-off-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 6a02c996

drivers/usb/core/sysfs.c

+11 −0
Original line number Diff line number Diff line
@@ -117,6 +117,16 @@ 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)

{
@@ -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,