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From: Markus Elfring <Markus.Elfring@web.de>
To: linux-hwmon@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-aspeed@lists.ozlabs.org, "Andrew Jeffery" <andrew@aj.id.au>,
	"Günter Röck" <linux@roeck-us.net>,
	"Jean Delvare" <jdelvare@suse.com>,
	"Joel Stanley" <joel@jms.id.au>
Cc: LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Himanshu Jha <himanshujha199640@gmail.com>
Subject: [PATCH] hwmon: (aspeed-pwm-tacho) Use devm_platform_ioremap_resource() in aspeed_pwm_tacho_probe()
Date: Wed, 18 Sep 2019 10:20:09 +0200	[thread overview]
Message-ID: <cd5bab7b-9333-2a43-bcf0-a47bbbe719eb@web.de> (raw)

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 18 Sep 2019 10:12:31 +0200

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/hwmon/aspeed-pwm-tacho.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c
index 40c489be62ea..33fb54845bf6 100644
--- a/drivers/hwmon/aspeed-pwm-tacho.c
+++ b/drivers/hwmon/aspeed-pwm-tacho.c
@@ -891,17 +891,12 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev)
 	struct device_node *np, *child;
 	struct aspeed_pwm_tacho_data *priv;
 	void __iomem *regs;
-	struct resource *res;
 	struct device *hwmon;
 	struct clk *clk;
 	int ret;

 	np = dev->of_node;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENOENT;
-	regs = devm_ioremap_resource(dev, res);
+	regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
--
2.23.0


             reply	other threads:[~2019-09-18  8:21 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-18  8:20 Markus Elfring [this message]
2019-09-18 13:39 ` [PATCH] hwmon: (aspeed-pwm-tacho) Use devm_platform_ioremap_resource() in aspeed_pwm_tacho_probe() Guenter Roeck

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