Hi, On Tue, Oct 9, 2018 at 3:33 PM Brian Norris <briannorris@xxxxxxxxxxxx> wrote: > + if (q6v5->wdog_irq < 0) { > + if (q6v5->wdog_irq != -EPROBE_DEFER) > + dev_err(&pdev->dev, > + "failed to retrieve wdog IRQ: %d\n", > + q6v5->wdog_irq); > + return q6v5->wdog_irq; > + } optional: Since there's the same pattern 5 times here, I wonder if we should abstract it out to a helper function that would print the error? ...in the ideal case it would be somewhere that all Linux drivers could use since this is a super common pattern, but that might be a bit too much yak shaving... > @@ -237,8 +260,13 @@ int qcom_q6v5_init(struct qcom_q6v5 *q6v5, struct platform_device *pdev, > disable_irq(q6v5->handover_irq); > > q6v5->stop_irq = platform_get_irq_byname(pdev, "stop-ack"); > - if (q6v5->stop_irq == -EPROBE_DEFER) > - return -EPROBE_DEFER; > + if (q6v5->stop_irq < 0) { > + if (q6v5->stop_irq != -EPROBE_DEFER) > + dev_err(&pdev->dev, > + "failed to retrieve stop IRQ: %d\n", > + q6v5->stop_irq); > + return q6v5->stop_irq; Nitty nit that it's the "stop-ack" IRQ, not the "stop" IRQ. The error message below this one calls it stop-ack too so it would be ideal to keep it consistent between the two error messages. Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>