1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright (C) 2012 ST-Ericsson SA
6  * Written on behalf of Linaro for ST-Ericsson
18  * pinctrl_bind_pins() - called by the device core before probe
25 	if (dev->of_node_reused)  in pinctrl_bind_pins()
28 	dev->pins = devm_kzalloc(dev, sizeof(*(dev->pins)), GFP_KERNEL);  in pinctrl_bind_pins()
29 	if (!dev->pins)  in pinctrl_bind_pins()
30 		return -ENOMEM;  in pinctrl_bind_pins()
32 	dev->pins->p = devm_pinctrl_get(dev);  in pinctrl_bind_pins()
33 	if (IS_ERR(dev->pins->p)) {  in pinctrl_bind_pins()
35 		ret = PTR_ERR(dev->pins->p);  in pinctrl_bind_pins()
39 	dev->pins->default_state = pinctrl_lookup_state(dev->pins->p,  in pinctrl_bind_pins()
41 	if (IS_ERR(dev->pins->default_state)) {  in pinctrl_bind_pins()
47 	dev->pins->init_state = pinctrl_lookup_state(dev->pins->p,  in pinctrl_bind_pins()
49 	if (IS_ERR(dev->pins->init_state)) {  in pinctrl_bind_pins()
53 		ret = pinctrl_select_state(dev->pins->p,  in pinctrl_bind_pins()
54 					   dev->pins->default_state);  in pinctrl_bind_pins()
56 		ret = pinctrl_select_state(dev->pins->p, dev->pins->init_state);  in pinctrl_bind_pins()
68 	 * <linux/pinctrl/pinctrl-state.h>  in pinctrl_bind_pins()
70 	dev->pins->sleep_state = pinctrl_lookup_state(dev->pins->p,  in pinctrl_bind_pins()
72 	if (IS_ERR(dev->pins->sleep_state))  in pinctrl_bind_pins()
76 	dev->pins->idle_state = pinctrl_lookup_state(dev->pins->p,  in pinctrl_bind_pins()
78 	if (IS_ERR(dev->pins->idle_state))  in pinctrl_bind_pins()
91 	devm_pinctrl_put(dev->pins->p);  in pinctrl_bind_pins()
93 	devm_kfree(dev, dev->pins);  in pinctrl_bind_pins()
94 	dev->pins = NULL;  in pinctrl_bind_pins()
97 	if (ret == -EPROBE_DEFER)  in pinctrl_bind_pins()
100 	if (ret == -EINVAL)  in pinctrl_bind_pins()
102 	/* We ignore errors like -ENOENT meaning no pinctrl state */  in pinctrl_bind_pins()