[PATCH v14 12/15] pci: imx6: Add helper function imx_pcie_add_lut_by_rid()

[Frank Li]

Add helper function imx_pcie_add_lut_by_rid(), which will be used for
Endpoint mode in the future. No functional change.

Signed-off-by: Frank Li <frank...@nxp.com>
---
change from v13 to v14
- new patch
---
 drivers/pci/controller/dwc/pci-imx6.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c 
b/drivers/pci/controller/dwc/pci-imx6.c
index 90ace941090f9..e20d91988c718 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1028,18 +1028,14 @@ static void imx_pcie_remove_lut(struct imx_pcie 
*imx_pcie, u16 rid)
        }
 }
 
-static int imx_pcie_enable_device(struct pci_host_bridge *bridge,
-                                 struct pci_dev *pdev)
+static int imx_pcie_add_lut_by_rid(struct imx_pcie *imx_pcie, u32 rid)
 {
-       struct imx_pcie *imx_pcie = 
to_imx_pcie(to_dw_pcie_from_pp(bridge->sysdata));
-       u32 sid_i, sid_m, rid = pci_dev_id(pdev);
+       struct device *dev = imx_pcie->pci->dev;
        struct device_node *target;
-       struct device *dev;
+       u32 sid_i, sid_m;
        int err_i, err_m;
        u32 sid = 0;
 
-       dev = imx_pcie->pci->dev;
-
        target = NULL;
        err_i = of_map_id(dev->of_node, rid, "iommu-map", "iommu-map-mask",
                          &target, &sid_i);
@@ -1114,6 +1110,13 @@ static int imx_pcie_enable_device(struct pci_host_bridge 
*bridge,
        return imx_pcie_add_lut(imx_pcie, rid, sid);
 }
 
+static int imx_pcie_enable_device(struct pci_host_bridge *bridge, struct 
pci_dev *pdev)
+{
+       struct imx_pcie *imx_pcie = 
to_imx_pcie(to_dw_pcie_from_pp(bridge->sysdata));
+
+       return imx_pcie_add_lut_by_rid(imx_pcie, pci_dev_id(pdev));
+}
+
 static void imx_pcie_disable_device(struct pci_host_bridge *bridge,
                                    struct pci_dev *pdev)
 {

-- 
2.34.1