linux-kernel - [PATCH v10 11/14] PCI: imx6: Clean up get addr

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Message-Id: <20240205173335.1120469-12-Frank.Li@nxp.com>
Date: Mon,  5 Feb 2024 12:33:32 -0500
From: Frank Li <Frank.Li@....com>
To: lpieralisi@...nel.org
Cc: Frank.li@....com,
	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,
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	l.stach@...gutronix.de,
	linux-arm-kernel@...ts.infradead.org,
	linux-imx@....com,
	linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org,
	manivannan.sadhasivam@...aro.org,
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	shawnguo@...nel.org
Subject: [PATCH v10 11/14] PCI: imx6: Clean up get addr_space code

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

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Signed-off-by: Frank Li <Frank.Li@....com>
---

Notes:
    Change from v7 to v8
    - update commit message
    - Add Manivannan Sadhasivam's review tag
    Change from v4 to v7
    - none
    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 183bb3b31cf16..9cc6802e93641 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1067,7 +1067,6 @@ 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;
@@ -1086,14 +1085,8 @@ 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