When possible use dev_err_probe help to properly deal with the PROBE_DEFER error, the benefit is that DEFER issue will be logged in the devices_deferred debugfs file. Using dev_err_probe() can reduce code size, and the error value gets printed. Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx> --- drivers/input/keyboard/pxa27x_keypad.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c index a7f8257c8a02..9e72bcdd864a 100644 --- a/drivers/input/keyboard/pxa27x_keypad.c +++ b/drivers/input/keyboard/pxa27x_keypad.c @@ -754,10 +754,9 @@ static int pxa27x_keypad_probe(struct platform_device *pdev) return PTR_ERR(keypad->mmio_base); keypad->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(keypad->clk)) { - dev_err(&pdev->dev, "failed to get keypad clock\n"); - return PTR_ERR(keypad->clk); - } + if (IS_ERR(keypad->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(keypad->clk), + "failed to get keypad clock\n"); input_dev->name = pdev->name; input_dev->id.bustype = BUS_HOST; -- 2.25.1