36 	struct rpi_firmware *fw = container_of(cl, struct rpi_firmware, cl);  in response_callback()  local
37 	complete(&fw->c);  in response_callback()
45 rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data)  in rpi_firmware_transaction()  argument
53 	reinit_completion(&fw->c);  in rpi_firmware_transaction()
54 	ret = mbox_send_message(fw->chan, &message);  in rpi_firmware_transaction()
56 		if (wait_for_completion_timeout(&fw->c, HZ)) {  in rpi_firmware_transaction()
63 		dev_err(fw->cl.dev, "mbox_send_message returned %d\n", ret);  in rpi_firmware_transaction()
84 int rpi_firmware_property_list(struct rpi_firmware *fw,  in rpi_firmware_property_list()  argument
96 	buf = dma_alloc_coherent(fw->cl.dev, PAGE_ALIGN(size), &bus_addr,  in rpi_firmware_property_list()
110 	ret = rpi_firmware_transaction(fw, MBOX_CHAN_PROPERTY, bus_addr);  in rpi_firmware_property_list()
120 		dev_err(fw->cl.dev, "Request 0x%08x returned status 0x%08x\n",  in rpi_firmware_property_list()
125 	dma_free_coherent(fw->cl.dev, PAGE_ALIGN(size), buf, bus_addr);  in rpi_firmware_property_list()
145 int rpi_firmware_property(struct rpi_firmware *fw,  in rpi_firmware_property()  argument
167 	ret = rpi_firmware_property_list(fw, data, buf_size + sizeof(*header));  in rpi_firmware_property()
178 rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)  in rpi_firmware_print_firmware_revision()  argument
181 	int ret = rpi_firmware_property(fw,  in rpi_firmware_print_firmware_revision()
190 		dev_info(fw->cl.dev,  in rpi_firmware_print_firmware_revision()
198 rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw)  in rpi_register_hwmon_driver()  argument
201 	int ret = rpi_firmware_property(fw, RPI_FIRMWARE_GET_THROTTLED,  in rpi_register_hwmon_driver()
220 	struct rpi_firmware *fw;  in rpi_firmware_probe()  local
222 	fw = devm_kzalloc(dev, sizeof(*fw), GFP_KERNEL);  in rpi_firmware_probe()
223 	if (!fw)  in rpi_firmware_probe()
226 	fw->cl.dev = dev;  in rpi_firmware_probe()
227 	fw->cl.rx_callback = response_callback;  in rpi_firmware_probe()
228 	fw->cl.tx_block = true;  in rpi_firmware_probe()
230 	fw->chan = mbox_request_channel(&fw->cl, 0);  in rpi_firmware_probe()
231 	if (IS_ERR(fw->chan)) {  in rpi_firmware_probe()
232 		int ret = PTR_ERR(fw->chan);  in rpi_firmware_probe()
238 	init_completion(&fw->c);  in rpi_firmware_probe()
240 	platform_set_drvdata(pdev, fw);  in rpi_firmware_probe()
242 	rpi_firmware_print_firmware_revision(fw);  in rpi_firmware_probe()
243 	rpi_register_hwmon_driver(dev, fw);  in rpi_firmware_probe()
251 	struct rpi_firmware *fw = platform_get_drvdata(pdev);  in rpi_firmware_shutdown()  local
253 	if (!fw)  in rpi_firmware_shutdown()
256 	rpi_firmware_property(fw, RPI_FIRMWARE_NOTIFY_REBOOT, NULL, 0);  in rpi_firmware_shutdown()
261 	struct rpi_firmware *fw = platform_get_drvdata(pdev);  in rpi_firmware_remove()  local
267 	mbox_free_channel(fw->chan);  in rpi_firmware_remove()