arch/mips/cobalt/led.c

   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
  14 static struct resource cobalt_led_resource __initdata = {
  15         .start  = 0x1c000000,
  16         .end    = 0x1c000000,
  17         .flags  = IORESOURCE_MEM,
  18 };
  19
  20 static __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
  44 err_free_device:
  45         platform_device_put(pdev);
  46
  47         return retval;
  48 }
  49 device_initcall(cobalt_led_add);