linux/arch/mips/cobalt/led.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *  Registration of Cobalt LED platform device.
   4 *
   5 *  Copyright (C) 2007  Yoichi Yuasa <yuasa@linux-mips.org>
   6 */
   7#include <linux/errno.h>
   8#include <linux/init.h>
   9#include <linux/ioport.h>
  10#include <linux/platform_device.h>
  11
  12#include <cobalt.h>
  13
  14static struct resource cobalt_led_resource __initdata = {
  15        .start  = 0x1c000000,
  16        .end    = 0x1c000000,
  17        .flags  = IORESOURCE_MEM,
  18};
  19
  20static __init int cobalt_led_add(void)
  21{
  22        struct platform_device *pdev;
  23        int retval;
  24
  25        if (cobalt_board_id == COBALT_BRD_ID_QUBE1 ||
  26            cobalt_board_id == COBALT_BRD_ID_QUBE2)
  27                pdev = platform_device_alloc("cobalt-qube-leds", -1);
  28        else
  29                pdev = platform_device_alloc("cobalt-raq-leds", -1);
  30
  31        if (!pdev)
  32                return -ENOMEM;
  33
  34        retval = platform_device_add_resources(pdev, &cobalt_led_resource, 1);
  35        if (retval)
  36                goto err_free_device;
  37
  38        retval = platform_device_add(pdev);
  39        if (retval)
  40                goto err_free_device;
  41
  42        return 0;
  43
  44err_free_device:
  45        platform_device_put(pdev);
  46
  47        return retval;
  48}
  49device_initcall(cobalt_led_add);
  50