1 files changed, 12 insertions, 3 deletions

diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c
index ada2d326dc3e..f113cda47032 100644
--- a/drivers/pwm/pwm-samsung.c
+++ b/drivers/pwm/pwm-samsung.c
@@ -193,9 +193,18 @@ static unsigned long pwm_samsung_calc_tin(struct samsung_pwm_chip *chip,
          * divider settings and choose the lowest divisor that can generate
          * frequencies lower than requested.
          */
-        for (div = variant->div_base; div < 4; ++div)
-                if ((rate >> (variant->bits + div)) < freq)
-                        break;
+        if (variant->bits < 32) {
+                /* Only for s3c24xx */
+                for (div = variant->div_base; div < 4; ++div)
+                        if ((rate >> (variant->bits + div)) < freq)
+                                break;
+        } else {
+                /*
+                 * Other variants have enough counter bits to generate any
+                 * requested rate, so no need to check higher divisors.
+                 */
+                div = variant->div_base;
+        }
 
         pwm_samsung_set_divisor(chip, chan, BIT(div));