On Wed, 2011-11-30 at 06:55 +0530, Deepthi Dharwar wrote: > I was trying to add a return value for power_save for all arch/powepc > idle functions but a few of them directly call *.S routines, as they > are asm. > > What would be a good way to change the return value for asm > routines ? > Do we make a change in asm only, put the return value in r3 or write a > wrapper function which would call these asm routines and return an > int ? No, add li r3,0 at the end, but beware that their return point might not be ovbvious since we often return from an interrupt which modifies the return address ... Let me know if there's some you can't figure out and I'll help you. Cheers, Ben. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/linux-pm
