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Diffstat (limited to 'drivers/pwm/core.c')
-rw-r--r--drivers/pwm/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index d2c35920ff08..8c748b17f416 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -236,7 +236,7 @@ int pwmchip_add(struct pwm_chip *chip)
int ret;
if (!chip || !chip->dev || !chip->ops || !chip->ops->config ||
- !chip->ops->enable || !chip->ops->disable)
+ !chip->ops->enable || !chip->ops->disable || !chip->npwm)
return -EINVAL;
mutex_lock(&pwm_lock);