diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c
index c7f36890fe52..ca2857dd7092 100644
--- a/drivers/pci/controller/pcie-rockchip-host.c
+++ b/drivers/pci/controller/pcie-rockchip-host.c
@@ -407,6 +407,11 @@ static int rockchip_pcie_host_init_port(struct rockchip_pcie *rockchip)
 		}
 	}
 
+	/* disable ltssm */
+	if (rockchip->dma_trx_enabled)
+		rockchip_pcie_write(rockchip, PCIE_CLIENT_LINK_TRAIN_DISABLE,
+				    PCIE_CLIENT_CONFIG);
+
 	rockchip_pcie_write(rockchip, ROCKCHIP_VENDOR_ID,
 			    PCIE_CORE_CONFIG_VENDOR);
 	rockchip_pcie_write(rockchip,