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. > > Signed-off-by: Liao Chang <liaochang1@xxxxxxxxxx> > i2c->base = devm_platform_ioremap_resource(pdev, 0); > if (IS_ERR(i2c->base)) > @@ -582,10 +578,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev) > > ret = devm_request_irq(&pdev->dev, i2c->irq, synquacer_i2c_isr, > 0, dev_name(&pdev->dev), i2c); > - if (ret < 0) { > - dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq); > - return ret; > - } > + if (ret < 0) > + return dev_err_probe(&pdev->dev, ret, "cannot claim IRQ %d\n", i2c->irq); > I don't think this is needed: https://lore.kernel.org/all/20230721094641.77189-1-frank.li@xxxxxxxx/ Best regards, Krzysztof