xref: /openbmc/u-boot/common/cros_ec.c (revision 44093a15)
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 struct udevice *board_get_cros_ec_dev(void)
17 {
18 	struct udevice *dev;
19 	int ret;
20 
21 	ret = uclass_get_device(UCLASS_CROS_EC, 0, &dev);
22 	if (ret) {
23 		debug("%s: Error %d\n", __func__, ret);
24 		return NULL;
25 	}
26 	return dev;
27 }
28 
29 int cros_ec_get_error(void)
30 {
31 	struct udevice *dev;
32 	int ret;
33 
34 	ret = uclass_get_device(UCLASS_CROS_EC, 0, &dev);
35 	if (ret && ret != -ENODEV)
36 		return ret;
37 
38 	return 0;
39 }
40