linux-kernel - [PATCH 02/42] drivers: gpio: amdpt: use devm_platform_ioremap

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Date:   Mon, 11 Mar 2019 19:54:41 +0100
From:   "Enrico Weigelt, metux IT consult" <info@...ux.net>
To:     linux-kernel@...r.kernel.org
Cc:     linus.walleij@...aro.org, bgolaszewski@...libre.com,
        andrew@...id.au, f.fainelli@...il.com, sbranden@...adcom.com,
        bcm-kernel-feedback-list@...adcom.com, hoan@...amperecomputing.com,
        orsonzhai@...il.com, baolin.wang@...aro.org, zhang.lyra@...il.com,
        keguang.zhang@...il.com, vz@...ia.com, matthias.bgg@...il.com,
        thierry.reding@...il.com, grygorii.strashko@...com,
        ssantosh@...nel.org, khilman@...nel.org, robert.jarzmik@...e.fr,
        yamada.masahiro@...ionext.com, jun.nie@...aro.org,
        shawnguo@...nel.org, linux-gpio@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-pwm@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [PATCH 02/42] drivers: gpio: amdpt: use devm_platform_ioremap_resource()

Use the new helper that wraps the calls to platform_get_resource()
and devm_ioremap_resource() together.

Signed-off-by: Enrico Weigelt, metux IT consult <info@...ux.net>
---
 drivers/gpio/gpio-amdpt.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/gpio/gpio-amdpt.c b/drivers/gpio/gpio-amdpt.c
index 9b78dc8..1ffd7c2 100644
--- a/drivers/gpio/gpio-amdpt.c
+++ b/drivers/gpio/gpio-amdpt.c
@@ -78,7 +78,6 @@ static int pt_gpio_probe(struct platform_device *pdev)
 	struct acpi_device *acpi_dev;
 	acpi_handle handle = ACPI_HANDLE(dev);
 	struct pt_gpio_chip *pt_gpio;
-	struct resource *res_mem;
 	int ret = 0;
 
 	if (acpi_bus_get_device(handle, &acpi_dev)) {
@@ -90,12 +89,7 @@ static int pt_gpio_probe(struct platform_device *pdev)
 	if (!pt_gpio)
 		return -ENOMEM;
 
-	res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res_mem) {
-		dev_err(&pdev->dev, "Failed to get MMIO resource for PT GPIO.\n");
-		return -EINVAL;
-	}
-	pt_gpio->reg_base = devm_ioremap_resource(dev, res_mem);
+	pt_gpio->reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(pt_gpio->reg_base)) {
 		dev_err(&pdev->dev, "Failed to map MMIO resource for PT GPIO.\n");
 		return PTR_ERR(pt_gpio->reg_base);
-- 
1.9.1