From: Frank Li Frank.Li@nxp.com
Add helper function imx_pcie_add_lut_by_rid(), which will be used for MSI doorbell support in endpoint mode in the future. No functional change.
Signed-off-by: Frank Li Frank.Li@nxp.com --- - change in v20 - update commit message.
change from v14 to v16 - none
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 5a38cfaf989b1c9606660f2e0bcd10d88fa2d6b1..032b906c44dfaa374a32f511098402a494ef5677 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -1096,18 +1096,14 @@ 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); @@ -1182,6 +1178,13 @@ 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) {