On Tue, 25 Oct 2016, Zubair Lutfullah Kakakhel wrote: > On 10/21/2016 10:48 AM, Marc Zyngier wrote: > > Shouldn't you return an error if irq is zero? > > > > I'll add the following for the error case > > pr_err("%s: Parent exists but interrupts property not defined\n" , > __func__); Please do not use this silly __func__ stuff. It's not giving any value to the printout. Set a proper prefix for your pr_* stuff, so the string is prefixed with 'irq-xilinx:' or whatever you think is appropriate. Then the string itself is good enough to find from which place this printk comes. Thanks, tglx