linux-kernel - [PATCH] PCI: xgene: Make use of the helper function devm_platform_ioremap_resource

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Message-ID: <20210901074014.8833-1-caihuoqing@baidu.com>
Date:   Wed, 1 Sep 2021 15:40:13 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Toan Le <toan@...amperecomputing.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        <linux-pci@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] PCI: xgene: Make use of the helper function devm_platform_ioremap_resource_byname()

Use the devm_platform_ioremap_resource_byname() helper instead of
calling platform_get_resource_byname() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/pci/controller/pci-xgene.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pci/controller/pci-xgene.c b/drivers/pci/controller/pci-xgene.c
index e64536047b65..db06d3f22787 100644
--- a/drivers/pci/controller/pci-xgene.c
+++ b/drivers/pci/controller/pci-xgene.c
@@ -354,8 +354,7 @@ static int xgene_pcie_map_reg(struct xgene_pcie_port *port,
 	if (IS_ERR(port->csr_base))
 		return PTR_ERR(port->csr_base);
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
-	port->cfg_base = devm_ioremap_resource(dev, res);
+	port->cfg_base = devm_platform_ioremap_resource_byname(pdev, "cfg");
 	if (IS_ERR(port->cfg_base))
 		return PTR_ERR(port->cfg_base);
 	port->cfg_addr = res->start;
-- 
2.25.1