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kernel/linux-rt-4.4.41/drivers/rtc/rtc-efi-platform.c 843 Bytes
5113f6f70   김현기   kernel add
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  /*
   * Moved from arch/ia64/kernel/time.c
   *
   * Copyright (C) 1998-2003 Hewlett-Packard Co
   *	Stephane Eranian <eranian@hpl.hp.com>
   *	David Mosberger <davidm@hpl.hp.com>
   * Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
   * Copyright (C) 1999-2000 VA Linux Systems
   * Copyright (C) 1999-2000 Walt Drummond <drummond@valinux.com>
   */
  
  #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  
  #include <linux/init.h>
  #include <linux/kernel.h>
  #include <linux/module.h>
  #include <linux/efi.h>
  #include <linux/platform_device.h>
  
  static struct platform_device rtc_efi_dev = {
  	.name = "rtc-efi",
  	.id = -1,
  };
  
  static int __init rtc_init(void)
  {
  	if (efi_enabled(EFI_RUNTIME_SERVICES))
  		if (platform_device_register(&rtc_efi_dev) < 0)
  			pr_err("unable to register rtc device...
  ");
  
  	/* not necessarily an error */
  	return 0;
  }
  module_init(rtc_init);