diff options
| author | Clemens Ladisch <[email protected]> | 2012-05-24 19:29:19 +0200 |
|---|---|---|
| committer | Stefan Richter <[email protected]> | 2012-05-27 12:31:11 +0200 |
| commit | 9d60ef2bd87f201c509cfae13ba6c9013446673d (patch) | |
| tree | 76c4c28d674d33c924f638cde404bfafede88e15 /lib/mpi/mpi-internal.h | |
| parent | f07d42ac7f2a7d650125d0cd7a79631c4522edaf (diff) | |
firewire: ohci: lazy bus time initialization
The Bus_Time CSR is virtually never used, so we can avoid burning CPU in
interrupt context for 1 or 3 IsochronousCycleTimer accesses every minute
by not tracking the bus time until the CSR is actually accessed for the
first time.
Signed-off-by: Clemens Ladisch <[email protected]>
Signed-off-by: Stefan Richter <[email protected]>
Diffstat (limited to 'lib/mpi/mpi-internal.h')
0 files changed, 0 insertions, 0 deletions