https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1085351
Quote:
D-Link DWA-125/B1 is a relatively new USB Wi-Fi adapter, using a
Ralink chipset supported by the rt2800usb driver. Currently, to work
around the problem (it's missing in all present kernel versions, up to
and including 3.7.x), I
Why do not use div_u64() ?
[quote]unsigned 64bit divide with 32bit divisor
This is the most common 64bit divide and should be used if possible,
as many 32bit archs can optimize this variant better than a full 64bit
divide.
[/quote]
> - ep->credit += timespec_to_ns(&delta) / NSEC_PE
