27 gpio_shared_proxy_set_unlocked(struct gpio_shared_proxy_data *proxy,  in gpio_shared_proxy_set_unlocked()  argument
31 	struct gpio_shared_desc *shared_desc = proxy->shared_desc;  in gpio_shared_proxy_set_unlocked()
39 		if (proxy->voted_high)  in gpio_shared_proxy_set_unlocked()
55 		proxy->voted_high = true;  in gpio_shared_proxy_set_unlocked()
61 	if (!proxy->voted_high)  in gpio_shared_proxy_set_unlocked()
74 	proxy->voted_high = false;  in gpio_shared_proxy_set_unlocked()
78 		dev_dbg(proxy->dev,  in gpio_shared_proxy_set_unlocked()
82 		dev_dbg(proxy->dev, "Voted for value 'low', effective value is 'low'\n");  in gpio_shared_proxy_set_unlocked()
89 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_request()  local
90 	struct gpio_shared_desc *shared_desc = proxy->shared_desc;  in gpio_shared_proxy_request()
94 	proxy->shared_desc->usecnt++;  in gpio_shared_proxy_request()
96 	dev_dbg(proxy->dev, "Shared GPIO requested, number of users: %u\n",  in gpio_shared_proxy_request()
97 		proxy->shared_desc->usecnt);  in gpio_shared_proxy_request()
104 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_free()  local
105 	struct gpio_shared_desc *shared_desc = proxy->shared_desc;  in gpio_shared_proxy_free()
110 	if (proxy->voted_high) {  in gpio_shared_proxy_free()
111 		ret = gpio_shared_proxy_set_unlocked(proxy,  in gpio_shared_proxy_free()
114 			dev_err(proxy->dev,  in gpio_shared_proxy_free()
118 	proxy->shared_desc->usecnt--;  in gpio_shared_proxy_free()
120 	dev_dbg(proxy->dev, "Shared GPIO freed, number of users: %u\n",  in gpio_shared_proxy_free()
121 		proxy->shared_desc->usecnt);  in gpio_shared_proxy_free()
127 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_set_config()  local
128 	struct gpio_shared_desc *shared_desc = proxy->shared_desc;  in gpio_shared_proxy_set_config()
136 			dev_dbg(proxy->dev,  in gpio_shared_proxy_set_config()
139 			dev_dbg(proxy->dev, "Equal config requested, nothing to do\n");  in gpio_shared_proxy_set_config()
155 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_direction_input()  local
156 	struct gpio_shared_desc *shared_desc = proxy->shared_desc;  in gpio_shared_proxy_direction_input()
163 		dev_dbg(proxy->dev,  in gpio_shared_proxy_direction_input()
174 		dev_dbg(proxy->dev,  in gpio_shared_proxy_direction_input()
185 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_direction_output()  local
186 	struct gpio_shared_desc *shared_desc = proxy->shared_desc;  in gpio_shared_proxy_direction_output()
193 		dev_dbg(proxy->dev,  in gpio_shared_proxy_direction_output()
202 			proxy->voted_high = true;  in gpio_shared_proxy_direction_output()
205 			proxy->voted_high = false;  in gpio_shared_proxy_direction_output()
217 		dev_dbg(proxy->dev,  in gpio_shared_proxy_direction_output()
222 	return gpio_shared_proxy_set_unlocked(proxy, gpiod_direction_output, value);  in gpio_shared_proxy_direction_output()
227 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_get()  local
229 	return gpiod_get_value(proxy->shared_desc->desc);  in gpio_shared_proxy_get()
235 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_get_cansleep()  local
237 	return gpiod_get_value_cansleep(proxy->shared_desc->desc);  in gpio_shared_proxy_get_cansleep()
240 static int gpio_shared_proxy_do_set(struct gpio_shared_proxy_data *proxy,  in gpio_shared_proxy_do_set()  argument
244 	guard(gpio_shared_desc_lock)(proxy->shared_desc);  in gpio_shared_proxy_do_set()
246 	return gpio_shared_proxy_set_unlocked(proxy, set_func, value);  in gpio_shared_proxy_do_set()
252 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_set()  local
254 	return gpio_shared_proxy_do_set(proxy, gpiod_set_value, value);  in gpio_shared_proxy_set()
260 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_set_cansleep()  local
262 	return gpio_shared_proxy_do_set(proxy, gpiod_set_value_cansleep, value);  in gpio_shared_proxy_set_cansleep()
268 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_get_direction()  local
270 	return gpiod_get_direction(proxy->shared_desc->desc);  in gpio_shared_proxy_get_direction()
275 	struct gpio_shared_proxy_data *proxy = gpiochip_get_data(gc);  in gpio_shared_proxy_to_irq()  local
277 	return gpiod_to_irq(proxy->shared_desc->desc);  in gpio_shared_proxy_to_irq()
283 	struct gpio_shared_proxy_data *proxy;  in gpio_shared_proxy_probe()  local
292 	proxy = devm_kzalloc(dev, sizeof(*proxy), GFP_KERNEL);  in gpio_shared_proxy_probe()
293 	if (!proxy)  in gpio_shared_proxy_probe()
296 	proxy->shared_desc = shared_desc;  in gpio_shared_proxy_probe()
297 	proxy->dev = dev;  in gpio_shared_proxy_probe()
299 	gc = &proxy->gc;  in gpio_shared_proxy_probe()
322 	return devm_gpiochip_add_data(dev, &proxy->gc, proxy);  in gpio_shared_proxy_probe()