linux-kernel - [PATCH -next] staging: fieldbus: arcx-anybus:use devm_platform_ioremap

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Message-ID: <20191016085016.23676-1-yuehaibing@huawei.com>
Date:   Wed, 16 Oct 2019 16:50:16 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <TheSven73@...il.com>, <gregkh@...uxfoundation.org>
CC:     <devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] staging: fieldbus: arcx-anybus:use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/staging/fieldbus/anybuss/arcx-anybus.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/fieldbus/anybuss/arcx-anybus.c b/drivers/staging/fieldbus/anybuss/arcx-anybus.c
index 2ecffa4..5b8d0ba 100644
--- a/drivers/staging/fieldbus/anybuss/arcx-anybus.c
+++ b/drivers/staging/fieldbus/anybuss/arcx-anybus.c
@@ -127,12 +127,10 @@ static const struct regmap_config arcx_regmap_cfg = {
 static struct regmap *create_parallel_regmap(struct platform_device *pdev,
 					     int idx)
 {
-	struct resource *res;
 	void __iomem *base;
 	struct device *dev = &pdev->dev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, idx + 1);
-	base = devm_ioremap_resource(dev, res);
+	base = devm_platform_ioremap_resource(pdev, idx + 1);
 	if (IS_ERR(base))
 		return ERR_CAST(base);
 	return devm_regmap_init_mmio(dev, base, &arcx_regmap_cfg);
@@ -230,7 +228,6 @@ static int controller_probe(struct platform_device *pdev)
 	struct regulator_config config = { };
 	struct regulator_dev *regulator;
 	int err, id;
-	struct resource *res;
 	struct anybuss_host *host;
 	u8 status1, cap;
 
@@ -244,8 +241,7 @@ static int controller_probe(struct platform_device *pdev)
 		return PTR_ERR(cd->reset_gpiod);
 
 	/* CPLD control memory, sits at index 0 */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	cd->cpld_base = devm_ioremap_resource(dev, res);
+	cd->cpld_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(cd->cpld_base)) {
 		dev_err(dev,
 			"failed to map cpld base address\n");
-- 
2.7.4