diff options
| author | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2008-02-08 04:21:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 09:22:37 -0800 |
| commit | 829dd8112274d46c5ed82d46be506762e2c8fcd8 (patch) | |
| tree | cda57a693c27372b3553c71dbec7a01af20af9bf /drivers/char/nwbutton.c | |
| parent | b843aa216c4da250c6732cd76430d73a6589beb5 (diff) | |
atmel_serial: use cpu_relax() when busy-waiting
Replace two instances of barrier() with cpu_relax() since that's the right
thing to do when busy-waiting. This does not actually change anything since
cpu_relax() is defined as barrier() on both ARM and AVR32.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Tested-by: Marc Pignat <marc.pignat@hevs.ch>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/nwbutton.c')
0 files changed, 0 insertions, 0 deletions