156 static int pm8941_pwrkey_probe(struct platform_device *pdev)  in pm8941_pwrkey_probe()  argument
163 	if (of_property_read_u32(pdev->dev.of_node, "debounce", &req_delay))  in pm8941_pwrkey_probe()
167 		dev_err(&pdev->dev, "invalid debounce time: %u\n", req_delay);  in pm8941_pwrkey_probe()
171 	pull_up = of_property_read_bool(pdev->dev.of_node, "bias-pull-up");  in pm8941_pwrkey_probe()
173 	pwrkey = devm_kzalloc(&pdev->dev, sizeof(*pwrkey), GFP_KERNEL);  in pm8941_pwrkey_probe()
177 	pwrkey->dev = &pdev->dev;  in pm8941_pwrkey_probe()
179 	pwrkey->regmap = dev_get_regmap(pdev->dev.parent, NULL);  in pm8941_pwrkey_probe()
181 		dev_err(&pdev->dev, "failed to locate regmap\n");  in pm8941_pwrkey_probe()
185 	pwrkey->irq = platform_get_irq(pdev, 0);  in pm8941_pwrkey_probe()
187 		dev_err(&pdev->dev, "failed to get irq\n");  in pm8941_pwrkey_probe()
191 	error = of_property_read_u32(pdev->dev.of_node, "reg",  in pm8941_pwrkey_probe()
199 		dev_err(&pdev->dev, "failed to set debounce: %d\n", error);  in pm8941_pwrkey_probe()
203 	pwrkey->input = devm_input_allocate_device(&pdev->dev);  in pm8941_pwrkey_probe()
205 		dev_dbg(&pdev->dev, "unable to allocate input device\n");  in pm8941_pwrkey_probe()
222 		dev_err(&pdev->dev, "failed to set debounce: %d\n", error);  in pm8941_pwrkey_probe()
231 		dev_err(&pdev->dev, "failed to set pull: %d\n", error);  in pm8941_pwrkey_probe()
235 	error = devm_request_threaded_irq(&pdev->dev, pwrkey->irq,  in pm8941_pwrkey_probe()
240 		dev_err(&pdev->dev, "failed requesting IRQ: %d\n", error);  in pm8941_pwrkey_probe()
246 		dev_err(&pdev->dev, "failed to register input device: %d\n",  in pm8941_pwrkey_probe()
254 		dev_err(&pdev->dev, "failed to register reboot notifier: %d\n",  in pm8941_pwrkey_probe()
259 	platform_set_drvdata(pdev, pwrkey);  in pm8941_pwrkey_probe()
260 	device_init_wakeup(&pdev->dev, 1);  in pm8941_pwrkey_probe()
265 static int pm8941_pwrkey_remove(struct platform_device *pdev)  in pm8941_pwrkey_remove()  argument
267 	struct pm8941_pwrkey *pwrkey = platform_get_drvdata(pdev);  in pm8941_pwrkey_remove()
269 	device_init_wakeup(&pdev->dev, 0);  in pm8941_pwrkey_remove()