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path: root/drivers/pwm/pwm-sprd.c
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Diffstat (limited to 'drivers/pwm/pwm-sprd.c')
-rw-r--r--drivers/pwm/pwm-sprd.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-sprd.c b/drivers/pwm/pwm-sprd.c
index 5123d948efd6..98c479dfae31 100644
--- a/drivers/pwm/pwm-sprd.c
+++ b/drivers/pwm/pwm-sprd.c
@@ -164,6 +164,9 @@ static int sprd_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 	struct pwm_state *cstate = &pwm->state;
 	int ret;
 
+	if (state->polarity != PWM_POLARITY_NORMAL)
+		return -EINVAL;
+
 	if (state->enabled) {
 		if (!cstate->enabled) {
 			/*
@@ -268,7 +271,6 @@ static int sprd_pwm_probe(struct platform_device *pdev)
 
 	spc->chip.dev = &pdev->dev;
 	spc->chip.ops = &sprd_pwm_ops;
-	spc->chip.base = -1;
 	spc->chip.npwm = spc->num_pwms;
 
 	ret = pwmchip_add(&spc->chip);