Signed-off-by: Hauke Mehrtens <[email protected]>
---
backport/backport-include/linux/usb.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/backport/backport-include/linux/usb.h
b/backport/backport-include/linux/usb.h
index 08ae0f2..a0cfa37 100644
--- a/backport/backport-include/linux/usb.h
+++ b/backport/backport-include/linux/usb.h
@@ -53,6 +53,24 @@
.idProduct = (prod)
#endif /* USB_DEVICE_INTERFACE_NUMBER */
+#ifndef USB_DEVICE_INTERFACE_CLASS
+/**
+ * USB_DEVICE_INTERFACE_CLASS - describe a usb device with a specific
interface class
+ * @vend: the 16 bit USB Vendor ID
+ * @prod: the 16 bit USB Product ID
+ * @cl: bInterfaceClass value
+ *
+ * This macro is used to create a struct usb_device_id that matches a
+ * specific interface class of devices.
+ */
+#define USB_DEVICE_INTERFACE_CLASS(vend, prod, cl) \
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
+ USB_DEVICE_ID_MATCH_INT_CLASS, \
+ .idVendor = (vend), \
+ .idProduct = (prod), \
+ .bInterfaceClass = (cl)
+#endif /* USB_DEVICE_INTERFACE_CLASS */
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
#ifdef CPTCFG_BACKPORT_OPTION_USB_URB_THREAD_FIX
#define usb_scuttle_anchored_urbs LINUX_BACKPORT(usb_scuttle_anchored_urbs)
--
1.7.10.4
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