linux-kernel - [PATCH] bus: uniphier-system-bus: use devm_platform_ioremap

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Date:   Thu,  5 Sep 2019 12:21:22 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     arm@...nel.org, Olof Johansson <olof@...om.net>,
        Arnd Bergmann <arnd@...db.de>
Cc:     linux-kernel@...r.kernel.org, soc@...nel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] bus: uniphier-system-bus: 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/bus/uniphier-system-bus.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/bus/uniphier-system-bus.c b/drivers/bus/uniphier-system-bus.c
index e845c1a93f21..f70dedace20b 100644
--- a/drivers/bus/uniphier-system-bus.c
+++ b/drivers/bus/uniphier-system-bus.c
@@ -176,7 +176,6 @@ static int uniphier_system_bus_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct uniphier_system_bus_priv *priv;
-	struct resource *regs;
 	const __be32 *ranges;
 	u32 cells, addr, size;
 	u64 paddr;
@@ -186,8 +185,7 @@ static int uniphier_system_bus_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