29 	struct wm831x *wm831x;  member
52 	struct wm831x *wm831x = driver_data->wm831x;  in wm831x_wdt_start()  local
57 	ret = wm831x_reg_unlock(wm831x);  in wm831x_wdt_start()
59 		ret = wm831x_set_bits(wm831x, WM831X_WATCHDOG,  in wm831x_wdt_start()
61 		wm831x_reg_lock(wm831x);  in wm831x_wdt_start()
63 		dev_err(wm831x->dev, "Failed to unlock security key: %d\n",  in wm831x_wdt_start()
75 	struct wm831x *wm831x = driver_data->wm831x;  in wm831x_wdt_stop()  local
80 	ret = wm831x_reg_unlock(wm831x);  in wm831x_wdt_stop()
82 		ret = wm831x_set_bits(wm831x, WM831X_WATCHDOG,  in wm831x_wdt_stop()
84 		wm831x_reg_lock(wm831x);  in wm831x_wdt_stop()
86 		dev_err(wm831x->dev, "Failed to unlock security key: %d\n",  in wm831x_wdt_stop()
98 	struct wm831x *wm831x = driver_data->wm831x;  in wm831x_wdt_ping()  local
104 	reg = wm831x_reg_read(wm831x, WM831X_WATCHDOG);  in wm831x_wdt_ping()
107 		dev_err(wm831x->dev, "Hardware watchdog update unsupported\n");  in wm831x_wdt_ping()
114 	ret = wm831x_reg_unlock(wm831x);  in wm831x_wdt_ping()
116 		ret = wm831x_reg_write(wm831x, WM831X_WATCHDOG, reg);  in wm831x_wdt_ping()
117 		wm831x_reg_lock(wm831x);  in wm831x_wdt_ping()
119 		dev_err(wm831x->dev, "Failed to unlock security key: %d\n",  in wm831x_wdt_ping()
133 	struct wm831x *wm831x = driver_data->wm831x;  in wm831x_wdt_set_timeout()  local
142 	ret = wm831x_reg_unlock(wm831x);  in wm831x_wdt_set_timeout()
144 		ret = wm831x_set_bits(wm831x, WM831X_WATCHDOG,  in wm831x_wdt_set_timeout()
147 		wm831x_reg_lock(wm831x);  in wm831x_wdt_set_timeout()
149 		dev_err(wm831x->dev, "Failed to unlock security key: %d\n",  in wm831x_wdt_set_timeout()
174 	struct wm831x *wm831x = dev_get_drvdata(dev->parent);  in wm831x_wdt_probe()  local
181 	ret = wm831x_reg_read(wm831x, WM831X_WATCHDOG);  in wm831x_wdt_probe()
183 		dev_err(wm831x->dev, "Failed to read watchdog status: %d\n",  in wm831x_wdt_probe()
190 		dev_warn(wm831x->dev, "Watchdog is paused\n");  in wm831x_wdt_probe()
197 	driver_data->wm831x = wm831x;  in wm831x_wdt_probe()
207 	reg = wm831x_reg_read(wm831x, WM831X_WATCHDOG);  in wm831x_wdt_probe()
213 		dev_warn(wm831x->dev,  in wm831x_wdt_probe()
232 		ret = wm831x_reg_unlock(wm831x);  in wm831x_wdt_probe()
234 			ret = wm831x_reg_write(wm831x, WM831X_WATCHDOG, reg);  in wm831x_wdt_probe()
235 			wm831x_reg_lock(wm831x);  in wm831x_wdt_probe()
237 			dev_err(wm831x->dev,  in wm831x_wdt_probe()