Hi Andy, On Fri, Mar 22, 2019 at 07:05:50PM +0200, Andy Shevchenko wrote: > On Fri, Mar 22, 2019 at 03:53:50PM +0200, Sakari Ailus wrote: > > > Porting a patch > > forward should have no issues either as checkpatch.pl has been complaining > > of the use of %pf and %pF for a while now. > > And that's exactly the reason why I think instead of removing warning on > checkpatch, it makes sense to convert to an error for a while. People are > tending read documentation on internet and thus might have outdated one. And > yes, the compiler doesn't tell a thing about it. > > P.S. Though, if majority of people will tell that I'm wrong, then it's okay to > remove. I wonder if you wrote this before seeing my other patchset. For others as the background, it adds %pfw to print fwnode node names. Assuming this would be merged, %pfw could be in use relatively soon. With the current patchset, %pf prints nothing just as %pO ("F" missing). What I think could be done is to warn of plain %pf (without following "w") in checkpatch.pl, and %pf that is not followed by "w" in the kernel. Although we didn't have such checks to begin with. The case is still a little bit different as %pf used to be a valid conversion specifier whereas %pO likely has never existed. So, how about adding such checks in the other set? I can retain %p[fF] check here, too, if you like. -- Kind regards, Sakari Ailus sakari.ailus@xxxxxxxxxxxxxxx