From: roelkluin <roel.kluin@gmail.com>
Date: Tue, 14 Oct 2008 20:28:51 +0000 (+0100)
Subject: [ARM] 5303/1: period_cycles should be greater than 1
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=71a35d75661271d20ff0098817070f6545e90cbe;p=mv-sheeva.git

[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>
---

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;