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-rw-r--r--drivers/pwm/exynos_pwm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pwm/exynos_pwm.c b/drivers/pwm/exynos_pwm.c
index 1afaf784da..609025d680 100644
--- a/drivers/pwm/exynos_pwm.c
+++ b/drivers/pwm/exynos_pwm.c
@@ -43,6 +43,10 @@ static int exynos_pwm_set_config(struct udevice *dev, uint channel,
tcnt = period_ns / rate_ns;
tcmp = duty_ns / rate_ns;
debug("%s: tcnt %u, tcmp %u\n", __func__, tcnt, tcmp);
+
+ /* Ensure that the comparitor will actually hit the target */
+ if (tcmp == tcnt)
+ tcmp = tcnt - 1;
offset = channel * 3;
writel(tcnt, &regs->tcntb0 + offset);
writel(tcmp, &regs->tcmpb0 + offset);