projects / mirror_ubuntu-eoan-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 16216333 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| b0cc114c YY |
2 | /* |
| 3 | * Registration of Cobalt RTC platform device. | |
| 4 | * | |
| ada8e951 | 5 | * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> |
| b0cc114c YY |
6 | */ |
| 7 | #include <linux/errno.h> | |
| 8 | #include <linux/init.h> | |
| 9 | #include <linux/ioport.h> | |
| d5ab1a69 | 10 | #include <linux/mc146818rtc.h> |
| b0cc114c YY |
11 | #include <linux/platform_device.h> |
| 12 | ||
| 13 | static struct resource cobalt_rtc_resource[] __initdata = { | |
| 14 | { | |
| 15 | .start = 0x70, | |
| 16 | .end = 0x77, | |
| 17 | .flags = IORESOURCE_IO, | |
| 18 | }, | |
| 19 | { | |
| d5ab1a69 YY |
20 | .start = RTC_IRQ, |
| 21 | .end = RTC_IRQ, | |
| b0cc114c YY |
22 | .flags = IORESOURCE_IRQ, |
| 23 | }, | |
| 24 | }; | |
| 25 | ||
| 26 | static __init int cobalt_rtc_add(void) | |
| 27 | { | |
| 28 | struct platform_device *pdev; | |
| 29 | int retval; | |
| 30 | ||
| 31 | pdev = platform_device_alloc("rtc_cmos", -1); | |
| 32 | if (!pdev) | |
| 33 | return -ENOMEM; | |
| 34 | ||
| 35 | retval = platform_device_add_resources(pdev, cobalt_rtc_resource, | |
| 70342287 | 36 | ARRAY_SIZE(cobalt_rtc_resource)); |
| b0cc114c YY |
37 | if (retval) |
| 38 | goto err_free_device; | |
| 39 | ||
| 40 | retval = platform_device_add(pdev); | |
| 41 | if (retval) | |
| 42 | goto err_free_device; | |
| 43 | ||
| 44 | return 0; | |
| 45 | ||
| 46 | err_free_device: | |
| 47 | platform_device_put(pdev); | |
| 48 | ||
| 49 | return retval; | |
| 50 | } | |
| 51 | device_initcall(cobalt_rtc_add); |