1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2013-2015 ARM Limited, All Rights Reserved.
9 #include <linux/msi.h>
14 	.name			= "ITS-pMSI",
22 	/* Suck the DeviceID out of the msi-parent property */  in of_pmsi_get_dev_id()
26 		ret = of_parse_phandle_with_args(dev->of_node,  in of_pmsi_get_dev_id()
27 						 "msi-parent", "#msi-cells",  in of_pmsi_get_dev_id()
31 				return -EINVAL;  in of_pmsi_get_dev_id()
43 	return -1;  in iort_pmsi_get_dev_id()
53 	msi_info = msi_get_domain_info(domain->parent);  in its_pmsi_prepare()
55 	if (dev->of_node)  in its_pmsi_prepare()
63 	info->scratchpad[0].ul = dev_id;  in its_pmsi_prepare()
67 	return msi_info->ops->msi_prepare(domain->parent,  in its_pmsi_prepare()
82 	{	.compatible	= "arm,gic-v3-its",	},
89 	struct irq_domain *parent;  in its_pmsi_init_one()  local
91 	parent = irq_find_matching_fwnode(fwnode, DOMAIN_BUS_NEXUS);  in its_pmsi_init_one()
92 	if (!parent || !msi_get_domain_info(parent)) {  in its_pmsi_init_one()
94 		return -ENXIO;  in its_pmsi_init_one()
98 					    parent)) {  in its_pmsi_init_one()
100 		return -ENXIO;  in its_pmsi_init_one()
103 	pr_info("Platform MSI: %s domain created\n", name);  in its_pmsi_init_one()
115 	int err = -ENXIO;  in its_pmsi_parse_madt()
119 			      (long)its_entry->base_address);  in its_pmsi_parse_madt()
120 	domain_handle = iort_find_domain_token(its_entry->translation_id);  in its_pmsi_parse_madt()
150 		if (!of_property_read_bool(np, "msi-controller"))  in its_pmsi_of_init()
153 		its_pmsi_init_one(of_node_to_fwnode(np), np->full_name);  in its_pmsi_of_init()