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author <jgarzik@pretzel.yyz.us>2005-05-27 22:07:02 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-05-27 22:07:02 -0400
commit1f15d694522af9cd7492695f11dd2dc77b6cf098 (patch)
tree7f67a4c38456ec73359d576a5c602d18c3c3ef72 /drivers/usb/core/sysfs.c
parentfff9cfd99c0f88645c3f50d7476d6c8cef99f140 (diff)
parent254feb882a7c6e4e51416dff6a97d847fbbba551 (diff)
downloadlinux-1f15d694522af9cd7492695f11dd2dc77b6cf098.tar.bz2
Automatic merge of /spare/repo/netdev-2.6 branch master
Diffstat (limited to 'drivers/usb/core/sysfs.c')
-rw-r--r--drivers/usb/core/sysfs.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index ec9b3bde8ae5..4ab50009291d 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -286,6 +286,39 @@ static ssize_t show_interface_string(struct device *dev, char *buf)
}
static DEVICE_ATTR(interface, S_IRUGO, show_interface_string, NULL);
+static ssize_t show_modalias(struct device *dev, char *buf)
+{
+ struct usb_interface *intf;
+ struct usb_device *udev;
+
+ intf = to_usb_interface(dev);
+ udev = interface_to_usbdev(intf);
+ if (udev->descriptor.bDeviceClass == 0) {
+ struct usb_host_interface *alt = intf->cur_altsetting;
+
+ return sprintf(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02Xic%02Xisc%02Xip%02X\n",
+ le16_to_cpu(udev->descriptor.idVendor),
+ le16_to_cpu(udev->descriptor.idProduct),
+ le16_to_cpu(udev->descriptor.bcdDevice),
+ udev->descriptor.bDeviceClass,
+ udev->descriptor.bDeviceSubClass,
+ udev->descriptor.bDeviceProtocol,
+ alt->desc.bInterfaceClass,
+ alt->desc.bInterfaceSubClass,
+ alt->desc.bInterfaceProtocol);
+ } else {
+ return sprintf(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02Xic*isc*ip*\n",
+ le16_to_cpu(udev->descriptor.idVendor),
+ le16_to_cpu(udev->descriptor.idProduct),
+ le16_to_cpu(udev->descriptor.bcdDevice),
+ udev->descriptor.bDeviceClass,
+ udev->descriptor.bDeviceSubClass,
+ udev->descriptor.bDeviceProtocol);
+ }
+
+}
+static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
+
static struct attribute *intf_attrs[] = {
&dev_attr_bInterfaceNumber.attr,
&dev_attr_bAlternateSetting.attr,
@@ -293,6 +326,7 @@ static struct attribute *intf_attrs[] = {
&dev_attr_bInterfaceClass.attr,
&dev_attr_bInterfaceSubClass.attr,
&dev_attr_bInterfaceProtocol.attr,
+ &dev_attr_modalias.attr,
NULL,
};
static struct attribute_group intf_attr_grp = {