LXR linux/drivers/rtc/rtc-efi-platform.c

   1/*
   2 * Moved from arch/ia64/kernel/time.c
   3 *
   4 * Copyright (C) 1998-2003 Hewlett-Packard Co
   5 *      Stephane Eranian <eranian@hpl.hp.com>
   6 *      David Mosberger <davidm@hpl.hp.com>
   7 * Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
   8 * Copyright (C) 1999-2000 VA Linux Systems
   9 * Copyright (C) 1999-2000 Walt Drummond <drummond@valinux.com>
  10 */
  11
  12#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  13
  14#include <linux/init.h>
  15#include <linux/kernel.h>
  16#include <linux/module.h>
  17#include <linux/efi.h>
  18#include <linux/platform_device.h>
  19
  20static struct platform_device rtc_efi_dev = {
  21        .name = "rtc-efi",
  22        .id = -1,
  23};
  24
  25static int __init rtc_init(void)
  26{
  27        if (efi_enabled(EFI_RUNTIME_SERVICES))
  28                if (platform_device_register(&rtc_efi_dev) < 0)
  29                        pr_err("unable to register rtc device...\n");
  30
  31        /* not necessarily an error */
  32        return 0;
  33}
  34module_init(rtc_init);
  35