Support only one physical function, so call imx_pcie_add_lut_by_rid(0)
to add a single LUT entry when operating in EP mode.
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
change from v13 to v14
- new patch
---
drivers/pci/controller/dwc/pci-imx6.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index e20d91988c718..adcca3e644332 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -995,7 +995,10 @@ static int imx_pcie_add_lut(struct imx_pcie *imx_pcie, u16 rid, u8 sid)
data1 |= IMX95_PE0_LUT_VLD;
regmap_write(imx_pcie->iomuxc_gpr, IMX95_PE0_LUT_DATA1, data1);
- data2 = IMX95_PE0_LUT_MASK; /* Match all bits of RID */
+ if (imx_pcie->drvdata->mode == DW_PCIE_EP_TYPE)
+ data2 = 0x7; /* EP side's RID from RC, only 'D' is meansful */
+ else
+ data2 = IMX95_PE0_LUT_MASK; /* Match all bits of RID */
data2 |= FIELD_PREP(IMX95_PE0_LUT_REQID, rid);
regmap_write(imx_pcie->iomuxc_gpr, IMX95_PE0_LUT_DATA2, data2);
@@ -1652,6 +1655,9 @@ static int imx_pcie_probe(struct platform_device *pdev)
ret = imx_add_pcie_ep(imx_pcie, pdev);
if (ret < 0)
return ret;
+
+ /* Only support one physical function */
+ imx_pcie_add_lut_by_rid(imx_pcie, 0);
} else {
pci->pp.use_atu_msg = true;
ret = dw_pcie_host_init(&pci->pp);
--
2.34.1
