linux-kernel - [PATCH v3 10/13] PCI: imx6: Clean up get addr

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Date:   Mon, 11 Dec 2023 16:58:39 -0500
From:   Frank Li <Frank.Li@....com>
To:     frank.li@....com
Cc:     bhelgaas@...gle.com, conor+dt@...nel.org,
        devicetree@...r.kernel.org, festevam@...il.com, helgaas@...nel.org,
        hongxing.zhu@....com, imx@...ts.linux.dev, kernel@...gutronix.de,
        krzysztof.kozlowski+dt@...aro.org, kw@...ux.com,
        l.stach@...gutronix.de, linux-arm-kernel@...ts.infradead.org,
        linux-imx@....com, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org, lpieralisi@...nel.org,
        manivannan.sadhasivam@...aro.org, robh@...nel.org,
        s.hauer@...gutronix.de, shawnguo@...nel.org
Subject: [PATCH v3 10/13] PCI: imx6: Clean up get addr_space code

The common dw_pcie_ep_init() already do the same thing. Needn't platform
driver do it again.

Signed-off-by: Frank Li <Frank.Li@....com>
---

Notes:
    Change from v1 to v3
    - new patches

 drivers/pci/controller/dwc/pci-imx6.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 99022efe27334..eb4e954e3a167 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1116,7 +1116,6 @@ 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;
@@ -1135,14 +1134,8 @@ 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) {
-- 
2.34.1