diff --git a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl931x.c b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl931x.c
index 000e414000..05bf68a744 100644
--- a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl931x.c
+++ b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/rtl931x.c
@@ -1639,7 +1639,7 @@ const struct rtl838x_reg rtl931x_reg = {
 	.l2_ctrl_1 = RTL931X_L2_AGE_CTRL,
 	.l2_port_aging_out = RTL931X_L2_PORT_AGE_CTRL,
 	.set_ageing_time = rtl931x_set_ageing_time,
-	/* .smi_poll_ctrl does not exist */
+	.smi_poll_ctrl = RTL931X_SMI_PORT_POLLING_CTRL,
 	.l2_tbl_flush_ctrl = RTL931X_L2_TBL_FLUSH_CTRL,
 	.exec_tbl0_cmd = rtl931x_exec_tbl0_cmd,
 	.exec_tbl1_cmd = rtl931x_exec_tbl1_cmd,