On Thu, Jan 20, 2022 at 11:48 AM Akhil R <akhilrajeev@xxxxxxxxxx> wrote: > > On Wed, Jan 12, 2022 at 4:15 PM Akhil R <akhilrajeev@xxxxxxxxxx> wrote: ... > > This change reveals potential issue: > > > > > - irq = of_irq_get_byname(adapter->dev.of_node, "smbus_alert"); > > > + irq = device_irq_get_byname(adapter->dev.parent, "smbus_alert"); > > > > > if (irq <= 0) > > > > I guess this '= 0' part should be fixed first. > > '0' is a failure as per the documentation of of_irq_get_byname() as well as > of_irq_get(). The case is different for acpi_irq_get(), but it is handled in > fwnode_irq_get(). If I understood it right, a return value of '0' should be > considered a failure here. Depends. I have no idea what the original code does here. But returning an error or 0 from this function seems confusing to me. -- With Best Regards, Andy Shevchenko