Hi Nikolaus, On Mon, Feb 17, 2020 at 09:25:32PM +0100, H. Nikolaus Schaller wrote: > > The rest of discussion > > would need disassembly and I'll do it once I'll be waiting for yet another > > long run recompile. > > :) Just FYI, original compiled with gcc-8.2.1: text data bss dec hex filename 4358 104 0 4462 116e drivers/extcon/extcon-palmas.o Your patch: text data bss dec hex filename 4382 104 0 4486 1186 drivers/extcon/extcon-palmas.o My patch with printing error value: text data bss dec hex filename 4406 104 0 4510 119e drivers/extcon/extcon-palmas.o So even without disassembling numbers speak for themselves :) l.