23 /* Corresponds to STM32_FIREWALL_MAX_EXTRA_ARGS + firewall ID */
29 /* Firewall device API */
31 int stm32_firewall_get_firewall(struct device_node *np, struct stm32_firewall *firewall,  in stm32_firewall_get_firewall()  argument
39 	if (!firewall || !nb_firewall)  in stm32_firewall_get_firewall()
57 			pr_err("Too many firewall controllers");  in stm32_firewall_get_firewall()
65 		/* Check if the parsed phandle corresponds to a registered firewall controller */  in stm32_firewall_get_firewall()
70 				firewall[j].firewall_ctrl = ctrl;  in stm32_firewall_get_firewall()
77 			firewall[j].firewall_ctrl = NULL;  in stm32_firewall_get_firewall()
78 			pr_err("No firewall controller registered for %s\n", np->full_name);  in stm32_firewall_get_firewall()
85 			firewall[j].entry = fw_entry;  in stm32_firewall_get_firewall()
93 			firewall[j].extra_args_size = 0;  in stm32_firewall_get_firewall()
94 			firewall[j].firewall_id = U32_MAX;  in stm32_firewall_get_firewall()
99 		/* The firewall ID is always the first argument */  in stm32_firewall_get_firewall()
100 		firewall[j].firewall_id = provider_args.args[0];  in stm32_firewall_get_firewall()
104 			firewall[j].extra_args[i] = provider_args.args[i + 1];  in stm32_firewall_get_firewall()
106 		/* Remove the firewall ID arg that is not an extra argument */  in stm32_firewall_get_firewall()
107 		firewall[j].extra_args_size = provider_args.args_count - 1;  in stm32_firewall_get_firewall()
116 int stm32_firewall_grant_access(struct stm32_firewall *firewall)  in stm32_firewall_grant_access()  argument
120 	if (!firewall || firewall->firewall_id == U32_MAX)  in stm32_firewall_grant_access()
123 	firewall_controller = firewall->firewall_ctrl;  in stm32_firewall_grant_access()
128 	return firewall_controller->grant_access(firewall_controller, firewall->firewall_id);  in stm32_firewall_grant_access()
132 int stm32_firewall_grant_access_by_id(struct stm32_firewall *firewall, u32 subsystem_id)  in stm32_firewall_grant_access_by_id()  argument
136 	if (!firewall || subsystem_id == U32_MAX || firewall->firewall_id == U32_MAX)  in stm32_firewall_grant_access_by_id()
139 	firewall_controller = firewall->firewall_ctrl;  in stm32_firewall_grant_access_by_id()
148 void stm32_firewall_release_access(struct stm32_firewall *firewall)  in stm32_firewall_release_access()  argument
152 	if (!firewall || firewall->firewall_id == U32_MAX) {  in stm32_firewall_release_access()
153 		pr_debug("Incorrect arguments when releasing a firewall access\n");  in stm32_firewall_release_access()
157 	firewall_controller = firewall->firewall_ctrl;  in stm32_firewall_release_access()
160 		pr_debug("No firewall controller to release\n");  in stm32_firewall_release_access()
164 	firewall_controller->release_access(firewall_controller, firewall->firewall_id);  in stm32_firewall_release_access()
168 void stm32_firewall_release_access_by_id(struct stm32_firewall *firewall, u32 subsystem_id)  in stm32_firewall_release_access_by_id()  argument
172 	if (!firewall || subsystem_id == U32_MAX || firewall->firewall_id == U32_MAX) {  in stm32_firewall_release_access_by_id()
173 		pr_debug("Incorrect arguments when releasing a firewall access");  in stm32_firewall_release_access_by_id()
177 	firewall_controller = firewall->firewall_ctrl;  in stm32_firewall_release_access_by_id()
180 		pr_debug("No firewall controller to release");  in stm32_firewall_release_access_by_id()
188 /* Firewall controller API */
197 	pr_info("Registering %s firewall controller\n", firewall_controller->name);  in stm32_firewall_controller_register()
202 			pr_debug("%s firewall controller already registered\n",  in stm32_firewall_controller_register()
221 		pr_debug("Null reference while unregistering firewall controller\n");  in stm32_firewall_controller_unregister()
236 		pr_debug("There was no firewall controller named %s to unregister\n",  in stm32_firewall_controller_unregister()
255 		/* The access-controllers property is mandatory for firewall bus devices */  in stm32_firewall_populate_bus()