linux-kernel - [PATCH 2/2] phy: tegra: xusb: Use devm_platform_ioremap_resource

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Message-ID: <20250401194006848hzqFNLT61SYyidkSwwH4C@zte.com.cn>
Date: Tue, 1 Apr 2025 19:40:06 +0800 (CST)
From: <shao.mingyin@....com.cn>
To: <miquel.raynal@...tlin.com>, <jckuo@...dia.com>
Cc: <vkoul@...nel.org>, <kishon@...nel.org>, <linux-phy@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <linux-tegra@...r.kernel.org>,
        <yang.yang29@....com.cn>, <xu.xin16@....com.cn>,
        <ye.xingchen@....com.cn>, <xie.ludan@....com.cn>
Subject: [PATCH 2/2] phy: tegra: xusb: Use devm_platform_ioremap_resource_byname

From: Xie Ludan <xie.ludan@....com.cn>

Introduce devm_platform_ioremap_resource_byname() to simplify resource
retrieval and mapping.This new function consolidates
platform_get_resource_byname() and devm_ioremap_resource() into
a single call, improving code readability and reducing API call overhead.

Signed-off-by: Xie Ludan <xie.ludan@....com.cn>
Signed-off-by: Shao Mingyin <shao.mingyin@....com.cn>
---
 drivers/phy/tegra/xusb-tegra186.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c
index fae6242aa730..6586472866e2 100644
--- a/drivers/phy/tegra/xusb-tegra186.c
+++ b/drivers/phy/tegra/xusb-tegra186.c
@@ -1485,7 +1485,6 @@ tegra186_xusb_padctl_probe(struct device *dev,
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct tegra186_xusb_padctl *priv;
-	struct resource *res;
 	int err;

 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -1495,8 +1494,7 @@ tegra186_xusb_padctl_probe(struct device *dev,
 	priv->base.dev = dev;
 	priv->base.soc = soc;

-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ao");
-	priv->ao_regs = devm_ioremap_resource(dev, res);
+	priv->ao_regs = devm_platform_ioremap_resource_byname(pdev, "ao");
 	if (IS_ERR(priv->ao_regs))
 		return ERR_CAST(priv->ao_regs);

-- 
2.25.1