PCI: imx6: Clean up addr_space retrieval code

Since the dw_pcie_ep_init() function is already fetching the 'addr_space'
region, no need to do the same in this driver.

Link: https://lore.kernel.org/r/20240220161924.3871774-12-Frank.Li@nxp.com
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index b3aaacc88f38448797509c866eae86c5ea07c788..2907a8f25e332ed7a5b721ccf1bf5be74365f81e 100644 (file)
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1061,7 +1061,6 @@ static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie,
        int ret;
        unsigned int pcie_dbi2_offset;
        struct dw_pcie_ep *ep;
-       struct resource *res;
        struct dw_pcie *pci = imx6_pcie->pci;
        struct dw_pcie_rp *pp = &pci->pp;
        struct device *dev = pci->dev;
@@ -1080,14 +1079,8 @@ static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie,
                pcie_dbi2_offset = SZ_4K;
                break;
        }
-       pci->dbi_base2 = pci->dbi_base + pcie_dbi2_offset;
-       res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space");
-       if (!res)
-               return -EINVAL;
 
-       ep->phys_base = res->start;
-       ep->addr_size = resource_size(res);
-       ep->page_size = SZ_64K;
+       pci->dbi_base2 = pci->dbi_base + pcie_dbi2_offset;
 
        ret = dw_pcie_ep_init(ep);
        if (ret) {