diff options
| author | Maxim Uvarov <[email protected]> | 2017-08-10 10:47:46 +0300 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2017-08-11 14:23:59 -0700 |
| commit | 2e1c80847b9983a8c93a678f6de2dc3c42f19661 (patch) | |
| tree | c48837e059647422f9c99b320abda09d5b9f376e /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | 3a4487b88f9a4deaded65fed60135b06298b7990 (diff) | |
drivers: net: davinci_mdio: remove busy loop on wait user access
Polling 14 mdio devices on single mdio bus eats 30% of 1Ghz cpu time
due to busy loop in wait(). Add small delay to relax cpu.
Signed-off-by: Max Uvarov <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Reviewed-by: Grygorii Strashko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions