common/cros_ec.c

   1 /*
   2  * Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
   3  * Use of this source code is governed by a BSD-style license that can be
   4  * found in the LICENSE file.
   5  *
   6  * Alternatively, this software may be distributed under the terms of the
   7  * GNU General Public License ("GPL") version 2 as published by the Free
   8  * Software Foundation.
   9  */
  10
  11 #include <common.h>
  12 #include <cros_ec.h>
  13 #include <dm.h>
  14 #include <errno.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 struct cros_ec_dev *board_get_cros_ec_dev(void)
  19 {
  20         struct udevice *dev;
  21         int ret;
  22
  23         ret = uclass_get_device(UCLASS_CROS_EC, 0, &dev);
  24         if (ret) {
  25                 debug("%s: Error %d\n", __func__, ret);
  26                 return NULL;
  27         }
  28         return dev_get_uclass_priv(dev);
  29 }
  30
  31 int cros_ec_get_error(void)
  32 {
  33         struct udevice *dev;
  34         int ret;
  35
  36         ret = uclass_get_device(UCLASS_CROS_EC, 0, &dev);
  37         if (ret && ret != -ENODEV)
  38                 return ret;
  39
  40         return 0;
  41 }