diff options
| author | Thomas Gleixner | 2014-04-11 08:13:22 +0000 |
|---|---|---|
| committer | Marc Kleine-Budde | 2014-04-24 22:09:01 +0200 |
| commit | 939415973fdfb2c16a474e2575ba2581b828ccac (patch) | |
| tree | b1103f78dc0d410d4a5129a147e7311a1e8da2ea /arch/m68k | |
| parent | 35bdafb576c5c0a06815e7a681571c3ab950ff7e (diff) | |
can: c_can: Speed up tx buffer invalidation
It's suffcient to kill the TXIE bit in the message control register
even if the documentation of C and D CAN says that it's not allowed to
do that while MSGVAL is set. Reality tells a different story and this
change gives us another 2% of CPU back for not waiting on I/O.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'arch/m68k')
0 files changed, 0 insertions, 0 deletions