110 	struct stm32_firewall_controller *rifsc_controller = ctrl;  in stm32_rifsc_grant_access()  local
114 	if (firewall_id >= rifsc_controller->max_entries) {  in stm32_rifsc_grant_access()
115 		dev_err(rifsc_controller->dev, "Invalid sys bus ID %u", firewall_id);  in stm32_rifsc_grant_access()
126 	sec_reg_value = readl(rifsc_controller->mmio + RIFSC_RISC_SECCFGR0 + 0x4 * reg_id);  in stm32_rifsc_grant_access()
127 	cid_reg_value = readl(rifsc_controller->mmio + RIFSC_RISC_PER0_CIDCFGR + 0x8 * firewall_id);  in stm32_rifsc_grant_access()
135 			dev_dbg(rifsc_controller->dev,  in stm32_rifsc_grant_access()
151 		dev_dbg(rifsc_controller->dev, "Invalid CID configuration for peripheral: %d\n",  in stm32_rifsc_grant_access()
159 		dev_dbg(rifsc_controller->dev,  in stm32_rifsc_grant_access()
169 		rc = stm32_rif_acquire_semaphore(rifsc_controller, firewall_id);  in stm32_rifsc_grant_access()
171 			dev_err(rifsc_controller->dev,  in stm32_rifsc_grant_access()
187 	struct stm32_firewall_controller *rifsc_controller;  in stm32_rifsc_probe()  local
194 	rifsc_controller = devm_kzalloc(&pdev->dev, sizeof(*rifsc_controller), GFP_KERNEL);  in stm32_rifsc_probe()
195 	if (!rifsc_controller)  in stm32_rifsc_probe()
202 	rifsc_controller->dev = &pdev->dev;  in stm32_rifsc_probe()
203 	rifsc_controller->mmio = mmio;  in stm32_rifsc_probe()
204 	rifsc_controller->name = dev_driver_string(rifsc_controller->dev);  in stm32_rifsc_probe()
205 	rifsc_controller->type = STM32_PERIPHERAL_FIREWALL | STM32_MEMORY_FIREWALL;  in stm32_rifsc_probe()
206 	rifsc_controller->grant_access = stm32_rifsc_grant_access;  in stm32_rifsc_probe()
207 	rifsc_controller->release_access = stm32_rifsc_release_access;  in stm32_rifsc_probe()
210 	nb_risup = readl(rifsc_controller->mmio + RIFSC_RISC_HWCFGR2) & HWCFGR2_CONF1_MASK;  in stm32_rifsc_probe()
211 	nb_rimu = readl(rifsc_controller->mmio + RIFSC_RISC_HWCFGR2) & HWCFGR2_CONF2_MASK;  in stm32_rifsc_probe()
212 	nb_risal = readl(rifsc_controller->mmio + RIFSC_RISC_HWCFGR2) & HWCFGR2_CONF3_MASK;  in stm32_rifsc_probe()
213 	rifsc_controller->max_entries = nb_risup + nb_rimu + nb_risal;  in stm32_rifsc_probe()
215 	platform_set_drvdata(pdev, rifsc_controller);  in stm32_rifsc_probe()
217 	rc = stm32_firewall_controller_register(rifsc_controller);  in stm32_rifsc_probe()
219 		dev_err(rifsc_controller->dev, "Couldn't register as a firewall controller: %d",  in stm32_rifsc_probe()
224 	rc = stm32_firewall_populate_bus(rifsc_controller);  in stm32_rifsc_probe()
226 		dev_err(rifsc_controller->dev, "Couldn't populate RIFSC bus: %d",  in stm32_rifsc_probe()