xref: /openbmc/u-boot/common/cros_ec.c (revision 909bd6d9)
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 }
42