147 	const struct device_node *of_node = pdev->dev.of_node;  in nspire_keypad_probe()
158 	keypad = devm_kzalloc(&pdev->dev, sizeof(struct nspire_keypad),  in nspire_keypad_probe()
161 		dev_err(&pdev->dev, "failed to allocate keypad memory\n");  in nspire_keypad_probe()
170 		dev_err(&pdev->dev, "failed to get scan-interval\n");  in nspire_keypad_probe()
177 		dev_err(&pdev->dev, "failed to get row-delay\n");  in nspire_keypad_probe()
183 	keypad->clk = devm_clk_get(&pdev->dev, NULL);  in nspire_keypad_probe()
185 		dev_err(&pdev->dev, "unable to get clock\n");  in nspire_keypad_probe()
193 	keypad->input = input = devm_input_allocate_device(&pdev->dev);  in nspire_keypad_probe()
195 		dev_err(&pdev->dev, "failed to allocate input device\n");  in nspire_keypad_probe()
201 		dev_err(&pdev->dev, "failed to enable clock\n");  in nspire_keypad_probe()
234 		dev_err(&pdev->dev, "building keymap failed\n");  in nspire_keypad_probe()
238 	error = devm_request_irq(&pdev->dev, irq, nspire_keypad_irq, 0,  in nspire_keypad_probe()
241 		dev_err(&pdev->dev, "allocate irq %d failed\n", irq);  in nspire_keypad_probe()
247 		dev_err(&pdev->dev,  in nspire_keypad_probe()
252 	dev_dbg(&pdev->dev,  in nspire_keypad_probe()