On Sat, May 19, 2012 at 08:48:52AM -0700, Randy Dunlap wrote: > On 05/19/2012 07:30 AM, Alan Stern wrote: > > > On Fri, 18 May 2012, Randy Dunlap wrote: > > > >> From: Randy Dunlap <rdunlap@xxxxxxxxxxxx> > >> > >> Add stubs for some usb core functions when CONFIG_USB > >> is not enabled. This fixes these comedi build errors: > >> > >> ERROR: "usb_deregister" [drivers/staging/comedi/comedi.ko] undefined! > >> ERROR: "usb_register_driver" [drivers/staging/comedi/comedi.ko] undefined! > >> > >> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx> > >> --- > >> I am only adding the stubs that are needed for comedi to build. > >> I expect that more stubs will be needed as more build errors are > >> found. It seems to me that linux/usb.h might need more (major) > >> moving of lines to support more stubs in the future. > > > > This doesn't seem like the right thing to do. If a driver needs to > > register with the USB core then that driver should depend on > > CONFIG_USB. > > > > On the other hand, if the driver is capable of being built without USB > > support then it should use the necessary preprocessor tests to protect > > calls to any USB routines. > > > Yeah, my first patch (not on linux-usb list) to staging/comedi/drivers.c > just surrounded the usb helper functions with IS_ENABLED(CONFIG_USB). > I'm fine with that patch, but Greg said that he wanted stubs... In looking at this a bit more, I think we should go back to the "fix up comedi" patch, as it is less intrusive, and as we haven't needed these stubs for the past 10+ years, we probably shouldn't add them now :) So, do you happen to have that old patch around, or do you want me to make those changes? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
