On 08/08/2023 03:29, Liao Chang wrote: > Use the dev_err_probe function instead of dev_err in the probe function > so that the printed messge includes the return value and also handles > -EPROBE_DEFER nicely. > > ret = devm_request_irq(&pdev->dev, irq, lpi2c_imx_isr, 0, > pdev->name, lpi2c_imx); > - if (ret) { > - dev_err(&pdev->dev, "can't claim irq %d\n", irq); > - return ret; > - } > + if (ret) > + return dev_err_probe(&pdev->dev, ret, "can't claim irq %d\n", irq); > I don't think this is needed: https://lore.kernel.org/all/20230721094641.77189-1-frank.li@xxxxxxxx/ Best regards, Krzysztof