linux-kernel - [PATCH] i2c: uniphier(-f): use devm_platform_ioremap

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Message-Id: <20190905034533.9842-1-yamada.masahiro@socionext.com>
Date:   Thu,  5 Sep 2019 12:45:32 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-i2c@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] i2c: uniphier(-f): use devm_platform_ioremap_resource()

Replace the chain of platform_get_resource() and devm_ioremap_resource()
with devm_platform_ioremap_resource().

This allows to remove the local variable for (struct resource *), and
have one function call less.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/i2c/busses/i2c-uniphier-f.c | 4 +---
 drivers/i2c/busses/i2c-uniphier.c   | 4 +---
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/i2c/busses/i2c-uniphier-f.c b/drivers/i2c/busses/i2c-uniphier-f.c
index 7acca2599f04..fc5354845ffa 100644
--- a/drivers/i2c/busses/i2c-uniphier-f.c
+++ b/drivers/i2c/busses/i2c-uniphier-f.c
@@ -538,7 +538,6 @@ static int uniphier_fi2c_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct uniphier_fi2c_priv *priv;
-	struct resource *regs;
 	u32 bus_speed;
 	unsigned long clk_rate;
 	int irq, ret;
@@ -547,8 +546,7 @@ static int uniphier_fi2c_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->membase = devm_ioremap_resource(dev, regs);
+	priv->membase = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->membase))
 		return PTR_ERR(priv->membase);
 
diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
index 0173840c32af..a6d7a3709051 100644
--- a/drivers/i2c/busses/i2c-uniphier.c
+++ b/drivers/i2c/busses/i2c-uniphier.c
@@ -326,7 +326,6 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct uniphier_i2c_priv *priv;
-	struct resource *regs;
 	u32 bus_speed;
 	unsigned long clk_rate;
 	int irq, ret;
@@ -335,8 +334,7 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->membase = devm_ioremap_resource(dev, regs);
+	priv->membase = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->membase))
 		return PTR_ERR(priv->membase);
 
-- 
2.17.1