diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
index 77bc659..4731e4a 100644
--- a/drivers/pwm/pwm-sifive.c
+++ b/drivers/pwm/pwm-sifive.c
@@ -168,5 +168,5 @@
 	.ops	= &pwm_sifive_ops,
 	.ofdata_to_platdata     = pwm_sifive_ofdata_to_platdata,
 	.probe		= pwm_sifive_probe,
-	.priv_auto_alloc_size	= sizeof(struct pwm_sifive_priv),
+	.priv_auto	= sizeof(struct pwm_sifive_priv),
 };