linux/arch/mips/cobalt/buttons.c
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   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
  12static struct resource cobalt_buttons_resource __initdata = {
  13        .start  = 0x1d000000,
  14        .end    = 0x1d000003,
  15        .flags  = IORESOURCE_MEM,
  16};
  17
  18static __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}
  41device_initcall(cobalt_add_buttons);
  42