linux-kernel - [PATCH 2/6] gpio: xgene: use devm_platform_ioremap

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Message-Id: <20191002170249.17366-3-brgl@bgdev.pl>
Date:   Wed,  2 Oct 2019 19:02:45 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Alban Bedel <albeu@...e.fr>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 2/6] gpio: xgene: use devm_platform_ioremap_resource()

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

There's no need to use the nocache variant of ioremap(). Switch to
using devm_platform_ioremap_resource().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/gpio/gpio-xgene.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/gpio/gpio-xgene.c b/drivers/gpio/gpio-xgene.c
index 900b38a7dba8..a6e66ac18e1f 100644
--- a/drivers/gpio/gpio-xgene.c
+++ b/drivers/gpio/gpio-xgene.c
@@ -155,7 +155,6 @@ static SIMPLE_DEV_PM_OPS(xgene_gpio_pm, xgene_gpio_suspend, xgene_gpio_resume);
 
 static int xgene_gpio_probe(struct platform_device *pdev)
 {
-	struct resource *res;
 	struct xgene_gpio *gpio;
 	int err = 0;
 
@@ -163,14 +162,9 @@ static int xgene_gpio_probe(struct platform_device *pdev)
 	if (!gpio)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -EINVAL;
-
-	gpio->base = devm_ioremap_nocache(&pdev->dev, res->start,
-							resource_size(res));
-	if (!gpio->base)
-		return -ENOMEM;
+	gpio->base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(gpio->base))
+		return PTR_ERR(gpio->base);
 
 	gpio->chip.ngpio = XGENE_MAX_GPIOS;
 
-- 
2.23.0