hc
2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d
kernel/drivers/gpio/gpio-amdpt.c
....@@ -1,12 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23 * AMD Promontory GPIO driver
34 *
45 * Copyright (C) 2015 ASMedia Technology Inc.
56 * Author: YD Tseng <yd_tseng@asmedia.com.tw>
6
- *
7
- * This program is free software; you can redistribute it and/or modify
8
- * it under the terms of the GNU General Public License version 2 as
9
- * published by the Free Software Foundation.
107 */
118
129 #include <linux/kernel.h>
....@@ -78,7 +75,6 @@
7875 struct acpi_device *acpi_dev;
7976 acpi_handle handle = ACPI_HANDLE(dev);
8077 struct pt_gpio_chip *pt_gpio;
81
- struct resource *res_mem;
8278 int ret = 0;
8379
8480 if (acpi_bus_get_device(handle, &acpi_dev)) {
....@@ -90,14 +86,9 @@
9086 if (!pt_gpio)
9187 return -ENOMEM;
9288
93
- res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
94
- if (!res_mem) {
95
- dev_err(&pdev->dev, "Failed to get MMIO resource for PT GPIO.\n");
96
- return -EINVAL;
97
- }
98
- pt_gpio->reg_base = devm_ioremap_resource(dev, res_mem);
89
+ pt_gpio->reg_base = devm_platform_ioremap_resource(pdev, 0);
9990 if (IS_ERR(pt_gpio->reg_base)) {
100
- dev_err(&pdev->dev, "Failed to map MMIO resource for PT GPIO.\n");
91
+ dev_err(dev, "Failed to map MMIO resource for PT GPIO.\n");
10192 return PTR_ERR(pt_gpio->reg_base);
10293 }
10394
....@@ -107,7 +98,7 @@
10798 pt_gpio->reg_base + PT_DIRECTION_REG, NULL,
10899 BGPIOF_READ_OUTPUT_REG_SET);
109100 if (ret) {
110
- dev_err(&pdev->dev, "bgpio_init failed\n");
101
+ dev_err(dev, "bgpio_init failed\n");
111102 return ret;
112103 }
113104
....@@ -116,11 +107,11 @@
116107 pt_gpio->gc.free = pt_gpio_free;
117108 pt_gpio->gc.ngpio = PT_TOTAL_GPIO;
118109 #if defined(CONFIG_OF_GPIO)
119
- pt_gpio->gc.of_node = pdev->dev.of_node;
110
+ pt_gpio->gc.of_node = dev->of_node;
120111 #endif
121112 ret = gpiochip_add_data(&pt_gpio->gc, pt_gpio);
122113 if (ret) {
123
- dev_err(&pdev->dev, "Failed to register GPIO lib\n");
114
+ dev_err(dev, "Failed to register GPIO lib\n");
124115 return ret;
125116 }
126117
....@@ -130,7 +121,7 @@
130121 writel(0, pt_gpio->reg_base + PT_SYNC_REG);
131122 writel(0, pt_gpio->reg_base + PT_CLOCKRATE_REG);
132123
133
- dev_dbg(&pdev->dev, "PT GPIO driver loaded\n");
124
+ dev_dbg(dev, "PT GPIO driver loaded\n");
134125 return ret;
135126 }
136127