1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Cobalt buttons platform device. 4 * 5 * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> 6 */ 7 8 #include <linux/platform_device.h> 9 #include <linux/errno.h> 10 #include <linux/init.h> 11 12 static struct resource cobalt_buttons_resource __initdata = { 13 .start = 0x1d000000, 14 .end = 0x1d000003, 15 .flags = IORESOURCE_MEM, 16 }; 17 18 static __init int cobalt_add_buttons(void) 19 { 20 struct platform_device *pd; 21 int error; 22 23 pd = platform_device_alloc("Cobalt buttons", -1); 24 if (!pd) 25 return -ENOMEM; 26 27 error = platform_device_add_resources(pd, &cobalt_buttons_resource, 1); 28 if (error) 29 goto err_free_device; 30 31 error = platform_device_add(pd); 32 if (error) 33 goto err_free_device; 34 35 return 0; 36 37 err_free_device: 38 platform_device_put(pd); 39 return error; 40 } 41 device_initcall(cobalt_add_buttons); 42