diff options
author | Hauke Mehrtens <hauke@hauke-m.de> | 2013-06-17 13:09:43 +0200 |
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committer | Hauke Mehrtens <hauke@hauke-m.de> | 2013-06-19 22:22:28 +0200 |
commit | 98be7feed42539492bc768ec287b204b186790c4 (patch) | |
tree | 18026cd67791fdaed9254754f289bfb8be4fd473 /backport/backport-include/linux/usb.h | |
parent | 528d67eb0f0fd7bf707cd296585a1f1d4bf4ce50 (diff) |
backports: add USB_DEVICE_INTERFACE_NUMBER
The original version also checked for bInterfaceNumber, which is only
available in more recent kernel versions.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'backport/backport-include/linux/usb.h')
-rw-r--r-- | backport/backport-include/linux/usb.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/backport/backport-include/linux/usb.h b/backport/backport-include/linux/usb.h index 6d27479b..368da6c7 100644 --- a/backport/backport-include/linux/usb.h +++ b/backport/backport-include/linux/usb.h @@ -37,6 +37,22 @@ .bInterfaceProtocol = (pr) #endif /* USB_VENDOR_AND_INTERFACE_INFO */ +#ifndef USB_DEVICE_INTERFACE_NUMBER +/** + * USB_DEVICE_INTERFACE_NUMBER - describe a usb device with a specific interface number + * @vend: the 16 bit USB Vendor ID + * @prod: the 16 bit USB Product ID + * @num: bInterfaceNumber value + * + * This macro is used to create a struct usb_device_id that matches a + * specific interface number of devices. + */ +#define USB_DEVICE_INTERFACE_NUMBER(vend, prod, num) \ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \ + .idVendor = (vend), \ + .idProduct = (prod) +#endif /* USB_DEVICE_INTERFACE_NUMBER */ + #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) |