diff --git a/drivers/tpm/cr50_i2c.c b/drivers/tpm/cr50_i2c.c
index a761e3d..1dfc5c5 100644
--- a/drivers/tpm/cr50_i2c.c
+++ b/drivers/tpm/cr50_i2c.c
@@ -728,7 +728,7 @@
 	.ofdata_to_platdata	= cr50_i2c_ofdata_to_platdata,
 	.probe	= cr50_i2c_probe,
 	.remove	= cr50_i2c_cleanup,
-	.priv_auto_alloc_size = sizeof(struct cr50_priv),
+	.priv_auto	= sizeof(struct cr50_priv),
 	ACPI_OPS_PTR(&cr50_acpi_ops)
 	.flags		= DM_FLAG_OS_PREPARE,
 };