diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index 381871b2bb46b..9d5bd7d5c610b 100644
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -474,6 +474,7 @@ static int meson_pwm_probe(struct platform_device *pdev)
 	if (IS_ERR(meson->base))
 		return PTR_ERR(meson->base);
 
+	spin_lock_init(&meson->lock);
 	meson->chip.dev = &pdev->dev;
 	meson->chip.ops = &meson_pwm_ops;
 	meson->chip.base = -1;
diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index 0296d8178ae29..a813239300c3d 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -425,6 +425,8 @@ void pwmchip_sysfs_unexport_children(struct pwm_chip *chip)
 		if (test_bit(PWMF_EXPORTED, &pwm->flags))
 			pwm_unexport_child(parent, pwm);
 	}
+
+	put_device(parent);
 }
 
 static int __init pwm_sysfs_init(void)