1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright 2023 Google LLC.
4 */
5
6#include <linux/device.h>
7#include <linux/spmi.h>
8
9static void devm_spmi_controller_release(struct device *parent, void *res)
10{
11 spmi_controller_put(ctrl: *(struct spmi_controller **)res);
12}
13
14struct spmi_controller *devm_spmi_controller_alloc(struct device *parent, size_t size)
15{
16 struct spmi_controller **ptr, *ctrl;
17
18 ptr = devres_alloc(devm_spmi_controller_release, sizeof(*ptr), GFP_KERNEL);
19 if (!ptr)
20 return ERR_PTR(error: -ENOMEM);
21
22 ctrl = spmi_controller_alloc(parent, size);
23 if (IS_ERR(ptr: ctrl)) {
24 devres_free(res: ptr);
25 return ctrl;
26 }
27
28 *ptr = ctrl;
29 devres_add(dev: parent, res: ptr);
30
31 return ctrl;
32}
33EXPORT_SYMBOL_GPL(devm_spmi_controller_alloc);
34
35static void devm_spmi_controller_remove(struct device *parent, void *res)
36{
37 spmi_controller_remove(ctrl: *(struct spmi_controller **)res);
38}
39
40int devm_spmi_controller_add(struct device *parent, struct spmi_controller *ctrl)
41{
42 struct spmi_controller **ptr;
43 int ret;
44
45 ptr = devres_alloc(devm_spmi_controller_remove, sizeof(*ptr), GFP_KERNEL);
46 if (!ptr)
47 return -ENOMEM;
48
49 ret = spmi_controller_add(ctrl);
50 if (ret) {
51 devres_free(res: ptr);
52 return ret;
53 }
54
55 *ptr = ctrl;
56 devres_add(dev: parent, res: ptr);
57
58 return 0;
59
60}
61EXPORT_SYMBOL_GPL(devm_spmi_controller_add);
62
63MODULE_LICENSE("GPL");
64MODULE_DESCRIPTION("SPMI devres helpers");
65

source code of linux/drivers/spmi/spmi-devres.c