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[ARM] 5303/1: period_cycles should be greater than 1

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If period_cycles is 0, prescale becomes silly.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
roelkluin 2008-10-14 21:28:51 +01:00 committed by Russell King
parent e4d2a5985a
commit 71a35d7566
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-pxa/pwm.c
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@ -60,7 +60,7 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
do_div(c, 1000000000);
period_cycles = c;
if (period_cycles < 0)
if (period_cycles < 1)
period_cycles = 1;
prescale = (period_cycles - 1) / 1024;
pv = period_cycles / (prescale + 1) - 1;