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-rw-r--r--arch/arm/mach-tegra/pwm.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/pwm.c b/arch/arm/mach-tegra/pwm.c
index 8664200430..1c38fc1784 100644
--- a/arch/arm/mach-tegra/pwm.c
+++ b/arch/arm/mach-tegra/pwm.c
@@ -24,7 +24,10 @@ void pwm_enable(unsigned channel, int rate, int pulse_width, int freq_divider)
assert(channel < PWM_NUM_CHANNELS);
/* TODO: Can we use clock_adjust_periph_pll_div() here? */
- clock_start_periph_pll(PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ, rate);
+ if (rate) {
+ clock_start_periph_pll(PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ,
+ rate);
+ }
reg = PWM_ENABLE_MASK;
reg |= pulse_width << PWM_WIDTH_SHIFT;