41 	struct rpi_firmware *fw = container_of(cl, struct rpi_firmware, cl);  in response_callback()  local
42 	complete(&fw->c);  in response_callback()
50 rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data)  in rpi_firmware_transaction()  argument
58 	reinit_completion(&fw->c);  in rpi_firmware_transaction()
59 	ret = mbox_send_message(fw->chan, &message);  in rpi_firmware_transaction()
61 		if (wait_for_completion_timeout(&fw->c, HZ)) {  in rpi_firmware_transaction()
68 		dev_err(fw->cl.dev, "mbox_send_message returned %d\n", ret);  in rpi_firmware_transaction()
89 int rpi_firmware_property_list(struct rpi_firmware *fw,  in rpi_firmware_property_list()  argument
101 	buf = dma_alloc_coherent(fw->chan->mbox->dev, PAGE_ALIGN(size),  in rpi_firmware_property_list()
115 	ret = rpi_firmware_transaction(fw, MBOX_CHAN_PROPERTY, bus_addr);  in rpi_firmware_property_list()
125 		dev_err(fw->cl.dev, "Request 0x%08x returned status 0x%08x\n",  in rpi_firmware_property_list()
130 	dma_free_coherent(fw->chan->mbox->dev, PAGE_ALIGN(size), buf, bus_addr);  in rpi_firmware_property_list()
150 int rpi_firmware_property(struct rpi_firmware *fw,  in rpi_firmware_property()  argument
172 	ret = rpi_firmware_property_list(fw, data, buf_size + sizeof(*header));  in rpi_firmware_property()
183 rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)  in rpi_firmware_print_firmware_revision()  argument
187 	int ret = rpi_firmware_property(fw,  in rpi_firmware_print_firmware_revision()
196 	dev_info(fw->cl.dev, "Attached to firmware from %ptT\n", &date_and_time);  in rpi_firmware_print_firmware_revision()
200 rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw)  in rpi_register_hwmon_driver()  argument
203 	int ret = rpi_firmware_property(fw, RPI_FIRMWARE_GET_THROTTLED,  in rpi_register_hwmon_driver()
233 unsigned int rpi_firmware_clk_get_max_rate(struct rpi_firmware *fw, unsigned int id)  in rpi_firmware_clk_get_max_rate()  argument
239 	ret = rpi_firmware_property(fw, RPI_FIRMWARE_GET_MAX_CLOCK_RATE,  in rpi_firmware_clk_get_max_rate()
255 	struct rpi_firmware *fw = container_of(kref, struct rpi_firmware,  in rpi_firmware_delete()  local
258 	mbox_free_channel(fw->chan);  in rpi_firmware_delete()
259 	kfree(fw);  in rpi_firmware_delete()
262 void rpi_firmware_put(struct rpi_firmware *fw)  in rpi_firmware_put()  argument
264 	kref_put(&fw->consumers, rpi_firmware_delete);  in rpi_firmware_put()
270 	struct rpi_firmware *fw = data;  in devm_rpi_firmware_put()  local
272 	rpi_firmware_put(fw);  in devm_rpi_firmware_put()
278 	struct rpi_firmware *fw;  in rpi_firmware_probe()  local
284 	fw = kzalloc(sizeof(*fw), GFP_KERNEL);  in rpi_firmware_probe()
285 	if (!fw)  in rpi_firmware_probe()
288 	fw->cl.dev = dev;  in rpi_firmware_probe()
289 	fw->cl.rx_callback = response_callback;  in rpi_firmware_probe()
290 	fw->cl.tx_block = true;  in rpi_firmware_probe()
292 	fw->chan = mbox_request_channel(&fw->cl, 0);  in rpi_firmware_probe()
293 	if (IS_ERR(fw->chan)) {  in rpi_firmware_probe()
294 		int ret = PTR_ERR(fw->chan);  in rpi_firmware_probe()
295 		kfree(fw);  in rpi_firmware_probe()
299 	init_completion(&fw->c);  in rpi_firmware_probe()
300 	kref_init(&fw->consumers);  in rpi_firmware_probe()
302 	platform_set_drvdata(pdev, fw);  in rpi_firmware_probe()
304 	rpi_firmware_print_firmware_revision(fw);  in rpi_firmware_probe()
305 	rpi_register_hwmon_driver(dev, fw);  in rpi_firmware_probe()
313 	struct rpi_firmware *fw = platform_get_drvdata(pdev);  in rpi_firmware_shutdown()  local
315 	if (!fw)  in rpi_firmware_shutdown()
318 	rpi_firmware_property(fw, RPI_FIRMWARE_NOTIFY_REBOOT, NULL, 0);  in rpi_firmware_shutdown()
323 	struct rpi_firmware *fw = platform_get_drvdata(pdev);  in rpi_firmware_remove()  local
330 	rpi_firmware_put(fw);  in rpi_firmware_remove()
358 	struct rpi_firmware *fw;  in rpi_firmware_get()  local
363 	fw = platform_get_drvdata(pdev);  in rpi_firmware_get()
364 	if (!fw)  in rpi_firmware_get()
367 	if (!kref_get_unless_zero(&fw->consumers))  in rpi_firmware_get()
372 	return fw;  in rpi_firmware_get()
389 	struct rpi_firmware *fw;  in devm_rpi_firmware_get()  local
391 	fw = rpi_firmware_get(firmware_node);  in devm_rpi_firmware_get()
392 	if (!fw)  in devm_rpi_firmware_get()
395 	if (devm_add_action_or_reset(dev, devm_rpi_firmware_put, fw))  in devm_rpi_firmware_get()
398 	return fw;  in devm_rpi_firmware_get()