39 	struct rpi_firmware *fw = container_of(cl, struct rpi_firmware, cl);  in response_callback()  local
40 	complete(&fw->c);  in response_callback()
48 rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data)  in rpi_firmware_transaction()  argument
56 	reinit_completion(&fw->c);  in rpi_firmware_transaction()
57 	ret = mbox_send_message(fw->chan, &message);  in rpi_firmware_transaction()
59 		wait_for_completion(&fw->c);  in rpi_firmware_transaction()
62 		dev_err(fw->cl.dev, "mbox_send_message returned %d\n", ret);  in rpi_firmware_transaction()
83 int rpi_firmware_property_list(struct rpi_firmware *fw,  in rpi_firmware_property_list()  argument
95 	buf = dma_alloc_coherent(fw->cl.dev, PAGE_ALIGN(size), &bus_addr,  in rpi_firmware_property_list()
109 	ret = rpi_firmware_transaction(fw, MBOX_CHAN_PROPERTY, bus_addr);  in rpi_firmware_property_list()
119 		dev_err(fw->cl.dev, "Request 0x%08x returned status 0x%08x\n",  in rpi_firmware_property_list()
124 	dma_free_coherent(fw->cl.dev, PAGE_ALIGN(size), buf, bus_addr);  in rpi_firmware_property_list()
144 int rpi_firmware_property(struct rpi_firmware *fw,  in rpi_firmware_property()  argument
165 	ret = rpi_firmware_property_list(fw, &data, buf_size + sizeof(*header));  in rpi_firmware_property()
175 rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)  in rpi_firmware_print_firmware_revision()  argument
178 	int ret = rpi_firmware_property(fw,  in rpi_firmware_print_firmware_revision()
187 		dev_info(fw->cl.dev,  in rpi_firmware_print_firmware_revision()
195 rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw)  in rpi_register_hwmon_driver()  argument
198 	int ret = rpi_firmware_property(fw, RPI_FIRMWARE_GET_THROTTLED,  in rpi_register_hwmon_driver()
211 	struct rpi_firmware *fw;  in rpi_firmware_probe()  local
213 	fw = devm_kzalloc(dev, sizeof(*fw), GFP_KERNEL);  in rpi_firmware_probe()
214 	if (!fw)  in rpi_firmware_probe()
217 	fw->cl.dev = dev;  in rpi_firmware_probe()
218 	fw->cl.rx_callback = response_callback;  in rpi_firmware_probe()
219 	fw->cl.tx_block = true;  in rpi_firmware_probe()
221 	fw->chan = mbox_request_channel(&fw->cl, 0);  in rpi_firmware_probe()
222 	if (IS_ERR(fw->chan)) {  in rpi_firmware_probe()
223 		int ret = PTR_ERR(fw->chan);  in rpi_firmware_probe()
229 	init_completion(&fw->c);  in rpi_firmware_probe()
231 	platform_set_drvdata(pdev, fw);  in rpi_firmware_probe()
233 	rpi_firmware_print_firmware_revision(fw);  in rpi_firmware_probe()
234 	rpi_register_hwmon_driver(dev, fw);  in rpi_firmware_probe()
241 	struct rpi_firmware *fw = platform_get_drvdata(pdev);  in rpi_firmware_remove()  local
245 	mbox_free_channel(fw->chan);  in rpi_firmware_remove()