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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-10 23:55:59 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-10 23:55:59 +0000 |
| commit | 56949d414acd30353fdba4b64876a0a7953a7b77 (patch) | |
| tree | 7fb58dd19c6ab12480cb82f8b8a2b9141da1d905 /tools/perf/scripts/python | |
| parent | Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 (diff) | |
| download | linux-dev-56949d414acd30353fdba4b64876a0a7953a7b77.tar.xz linux-dev-56949d414acd30353fdba4b64876a0a7953a7b77.zip | |
ARM: udelay: prevent math rounding resulting in short udelays
We perform the microseconds to loops calculation using a number of
multiplies and shift rights. Each shift right rounds down the
resulting value, which can result in delays shorter than requested.
Ensure that we always round up.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions