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| author |   Maxim Uvarov <muvarov@gmail.com> | 2017-08-10 10:47:46 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-08-11 14:23:59 -0700 |
| commit | 2e1c80847b9983a8c93a678f6de2dc3c42f19661 (patch) | |
| tree | c48837e059647422f9c99b320abda09d5b9f376e /tools/perf/scripts/python/bin/stackcollapse-report | |
| parent | Merge branch 'netvsc-minor-fixes-and-improvements' (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 <muvarov@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-report')
0 files changed, 0 insertions, 0 deletions