[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>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/pwm.c b/arch/arm/mach-pxa/pwm.c
index 316cd986da5c..74e2ead8cee8 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;