diff options
Diffstat (limited to 'Documentation/driver-api/usb/URB.rst')
-rw-r--r-- | Documentation/driver-api/usb/URB.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/driver-api/usb/URB.rst b/Documentation/driver-api/usb/URB.rst index 61a54da9fce9..a182c0f5e38a 100644 --- a/Documentation/driver-api/usb/URB.rst +++ b/Documentation/driver-api/usb/URB.rst @@ -47,7 +47,7 @@ called USB Request Block, or URB for short. The URB structure ================= -Some of the fields in struct :c:type:`urb` are:: +Some of the fields in struct urb are:: struct urb { @@ -240,7 +240,7 @@ How to do isochronous (ISO) transfers? ====================================== Besides the fields present on a bulk transfer, for ISO, you also -also have to set ``urb->interval`` to say how often to make transfers; it's +have to set ``urb->interval`` to say how often to make transfers; it's often one per frame (which is once every microframe for highspeed devices). The actual interval used will be a power of two that's no bigger than what you specify. You can use the :c:func:`usb_fill_int_urb` macro to fill |