diff options
| author | roelkluin <roel.kluin@gmail.com> | 2008-10-14 21:28:51 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-17 13:44:47 +0100 |
| commit | 71a35d75661271d20ff0098817070f6545e90cbe (patch) | |
| tree | e20db9c4cac82528a6b0fbc7770aa349bc7a1bf8 | |
| parent | e4d2a5985af957d2c0da61fb978d0c414b92a562 (diff) | |
[ARM] 5303/1: period_cycles should be greater than 1
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>
| -rw-r--r-- | arch/arm/mach-pxa/pwm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/pwm.c b/arch/arm/mach-pxa/pwm.c index 316cd986da5..74e2ead8cee 100644 --- a/arch/arm/mach-pxa/pwm.c +++ b/arch/arm/mach-pxa/pwm.c @@ -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; |