Comment 91 for bug 1949394

(In reply to Srihari Vijayaraghavan from comment #87)
> I've all of things complied in. However, when I supply hid.debug, the system
> fails to boot successfully. It doesn't show any boot up messages whatsoever,
> including the graphical Tux. The system fans spin crazily. Interestingly,
> the very same kernel boots & works when I eliminate hid.debug kernel
> parameter.
>
That's interesting.

This should be filled as a separate bug after we fix that one (hopefully).
The only place when it is really used is:

1071 #define dbg_hid(format, arg...) \
1072 do { \
1073 if (hid_debug) \
1074 printk(KERN_DEBUG "%s: " format, __FILE__, ##arg); \
1075 } while (0)