1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * Texas Instruments TI-SCI Processor Controller Helper Functions
5  * Copyright (C) 2018-2020 Texas Instruments Incorporated - https://www.ti.com/
6  *	Suman Anna <s-anna@ti.com>
12 #include <linux/soc/ti/ti_sci_protocol.h>
15  * struct ti_sci_proc - structure representing a processor control client
16  * @sci: cached TI-SCI protocol handle
17  * @ops: cached TI-SCI proc ops
24 	const struct ti_sci_handle *sci;  member
33 					   const struct ti_sci_handle *sci)  in ti_sci_proc_of_get_tsp()  argument
39 	ret = of_property_read_u32_array(dev_of_node(dev), "ti,sci-proc-ids",  in ti_sci_proc_of_get_tsp()
46 		return ERR_PTR(-ENOMEM);  in ti_sci_proc_of_get_tsp()
48 	tsp->dev = dev;  in ti_sci_proc_of_get_tsp()
49 	tsp->sci = sci;  in ti_sci_proc_of_get_tsp()
50 	tsp->ops = &sci->ops.proc_ops;  in ti_sci_proc_of_get_tsp()
51 	tsp->proc_id = temp[0];  in ti_sci_proc_of_get_tsp()
52 	tsp->host_id = temp[1];  in ti_sci_proc_of_get_tsp()
61 	ret = tsp->ops->request(tsp->sci, tsp->proc_id);  in ti_sci_proc_request()
63 		dev_err(tsp->dev, "ti-sci processor request failed: %d\n",  in ti_sci_proc_request()
72 	ret = tsp->ops->release(tsp->sci, tsp->proc_id);  in ti_sci_proc_release()
74 		dev_err(tsp->dev, "ti-sci processor release failed: %d\n",  in ti_sci_proc_release()
83 	ret = tsp->ops->handover(tsp->sci, tsp->proc_id, tsp->host_id);  in ti_sci_proc_handover()
85 		dev_err(tsp->dev, "ti-sci processor handover of %d to %d failed: %d\n",  in ti_sci_proc_handover()
86 			tsp->proc_id, tsp->host_id, ret);  in ti_sci_proc_handover()
96 	ret = tsp->ops->set_config(tsp->sci, tsp->proc_id, boot_vector,  in ti_sci_proc_set_config()
99 		dev_err(tsp->dev, "ti-sci processor set_config failed: %d\n",  in ti_sci_proc_set_config()
109 	ret = tsp->ops->set_control(tsp->sci, tsp->proc_id, ctrl_set, ctrl_clr);  in ti_sci_proc_set_control()
111 		dev_err(tsp->dev, "ti-sci processor set_control failed: %d\n",  in ti_sci_proc_set_control()
122 	ret = tsp->ops->get_status(tsp->sci, tsp->proc_id, boot_vector,  in ti_sci_proc_get_status()
125 		dev_err(tsp->dev, "ti-sci processor get_status failed: %d\n",  in ti_sci_proc_get_status()