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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 /arch/arm/lib/ucmpdi2.S | |
| parent | 9e9bc9736756f25d6c47b4eba0ebf25b20a6f153 (diff) | |
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 'arch/arm/lib/ucmpdi2.S')
0 files changed, 0 insertions, 0 deletions