Jes Sorensen <Jes.Sorensen@xxxxxxxxxx> writes: > Joe Perches <joe@xxxxxxxxxxx> writes: >> On Sat, 2016-09-17 at 12:09 -0500, Larry Finger wrote: >>> As soon as debugging is turned on, the logs are filled with messages >>> reporting the interrupt status. As this quantity is usually zero, this >>> output is not needed. In fact, there will be a report if the status is >>> not zero, thus the debug line in question could probably be deleted. >>> Rather than taking that action, I have changed it to only be printed >>> when the RTL8XXXU_DEBUG_USB bit is set in the debug mask. >> >> There are many uses of >> if (rtl8xxxu_debug & <DEFINE>) { >> dev_info(dev, ...) >> >> Emitting debugging information at KERN_INFO is odd. > > Not at all, it's a pain to enable it in debug fs post loading the > driver, especially if you need the output immediately during driver > init. That is why the flags are there. > >> I think it'd be nicer to use dev_dbg for all these cases >> and as well use some new macro that includes the test >> >> Something like: >> >> #define rtl8xxxu_dbg(type, fmt, ...) \ >> do { \ >> if (rtl8xxxu_debug & (type)) \ >> dev_dbg(dev, fmt, ##__VA_ARGS__); \ >> } while (0) > > Yuck yuck yuck, no thanks! > > Any attempt of adding that kinda grossness to the driver will get a > NACK. Huh, how is that ugly? To me it's the opposite, original code is ugly and Joes' proposal makes sense. Lots of wireless drivers have something similar. -- Kalle Valo