linux-kernel - RE: [PATCH v1 3/6] gpio: mlxbf2: Use devm_platform_ioremap

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Message-ID: <CH2PR12MB3895B35623764C5494C5396CD7FD9@CH2PR12MB3895.namprd12.prod.outlook.com>
Date:   Mon, 16 Aug 2021 13:05:46 +0000
From:   Asmaa Mnebhi <asmaa@...dia.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        David Thompson <davthompson@...dia.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
CC:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Liming Sun <limings@...dia.com>
Subject: RE: [PATCH v1 3/6] gpio: mlxbf2: Use devm_platform_ioremap_resource()

Acked-by: Asmaa Mnebhi <asmaa@...dia.com>

-----Original Message-----
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> 
Sent: Monday, August 16, 2021 8:00 AM
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>; David Thompson <davthompson@...dia.com>; linux-kernel@...r.kernel.org; linux-gpio@...r.kernel.org; netdev@...r.kernel.org; linux-acpi@...r.kernel.org
Cc: Linus Walleij <linus.walleij@...aro.org>; Bartosz Golaszewski <bgolaszewski@...libre.com>; David S. Miller <davem@...emloft.net>; Jakub Kicinski <kuba@...nel.org>; Rafael J. Wysocki <rjw@...ysocki.net>; Asmaa Mnebhi <asmaa@...dia.com>; Liming Sun <limings@...dia.com>
Subject: [PATCH v1 3/6] gpio: mlxbf2: Use devm_platform_ioremap_resource()
Importance: High

Simplify the platform_get_resource() and devm_ioremap_resource() calls with devm_platform_ioremap_resource().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/gpio/gpio-mlxbf2.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/gpio/gpio-mlxbf2.c b/drivers/gpio/gpio-mlxbf2.c index c0aa622fef76..c193d1a9a5dd 100644
--- a/drivers/gpio/gpio-mlxbf2.c
+++ b/drivers/gpio/gpio-mlxbf2.c
@@ -228,7 +228,6 @@ mlxbf2_gpio_probe(struct platform_device *pdev)
 	struct mlxbf2_gpio_context *gs;
 	struct device *dev = &pdev->dev;
 	struct gpio_chip *gc;
-	struct resource *res;
 	unsigned int npins;
 	int ret;
 
@@ -237,13 +236,9 @@ mlxbf2_gpio_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	/* YU GPIO block address */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
-	gs->gpio_io = devm_ioremap(dev, res->start, resource_size(res));
-	if (!gs->gpio_io)
-		return -ENOMEM;
+	gs->gpio_io = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(gs->gpio_io))
+		return PTR_ERR(gs->gpio_io);
 
 	ret = mlxbf2_gpio_get_lock_res(pdev);
 	if (ret) {
--
2.30.2