diff options
Diffstat (limited to 'drivers/gpio/gpio-amdpt.c')
| -rw-r--r-- | drivers/gpio/gpio-amdpt.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/gpio/gpio-amdpt.c b/drivers/gpio/gpio-amdpt.c index 9b78dc837603..44398992ae15 100644 --- a/drivers/gpio/gpio-amdpt.c +++ b/drivers/gpio/gpio-amdpt.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * AMD Promontory GPIO driver * * Copyright (C) 2015 ASMedia Technology Inc. * Author: YD Tseng <yd_tseng@asmedia.com.tw> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -78,7 +75,6 @@ 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)) { @@ -90,14 +86,9 @@ 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"); + dev_err(dev, "Failed to map MMIO resource for PT GPIO.\n"); return PTR_ERR(pt_gpio->reg_base); } @@ -107,7 +98,7 @@ static int pt_gpio_probe(struct platform_device *pdev) pt_gpio->reg_base + PT_DIRECTION_REG, NULL, BGPIOF_READ_OUTPUT_REG_SET); if (ret) { - dev_err(&pdev->dev, "bgpio_init failed\n"); + dev_err(dev, "bgpio_init failed\n"); return ret; } @@ -116,11 +107,11 @@ static int pt_gpio_probe(struct platform_device *pdev) pt_gpio->gc.free = pt_gpio_free; pt_gpio->gc.ngpio = PT_TOTAL_GPIO; #if defined(CONFIG_OF_GPIO) - pt_gpio->gc.of_node = pdev->dev.of_node; + pt_gpio->gc.of_node = dev->of_node; #endif ret = gpiochip_add_data(&pt_gpio->gc, pt_gpio); if (ret) { - dev_err(&pdev->dev, "Failed to register GPIO lib\n"); + dev_err(dev, "Failed to register GPIO lib\n"); return ret; } @@ -130,7 +121,7 @@ static int pt_gpio_probe(struct platform_device *pdev) writel(0, pt_gpio->reg_base + PT_SYNC_REG); writel(0, pt_gpio->reg_base + PT_CLOCKRATE_REG); - dev_dbg(&pdev->dev, "PT GPIO driver loaded\n"); + dev_dbg(dev, "PT GPIO driver loaded\n"); return ret; } |