> > >Hi, > >Pawel Laszczak <pawell@xxxxxxxxxxx> writes: > >>> >>>Hi, >>> >>>On Thu, Jul 4, 2019 at 9:59 AM Greg KH <greg@xxxxxxxxx> wrote: >>>> >>>> On Thu, Jul 04, 2019 at 04:34:58PM +1000, Stephen Rothwell wrote: >>>> > Hi all, >>>> > >>>> > After merging the usb tree, today's linux-next build (arm >>>> > multi_v7_defconfig) failed like this: >>>> > >>>> > arm-linux-gnueabi-ld: drivers/usb/dwc3/trace.o: in function `trace_raw_output_dwc3_log_ctrl': >>>> > trace.c:(.text+0x119c): undefined reference to `usb_decode_ctrl' >>>> > >>>> > Caused by commit >>>> > >>>> > 3db1b636c07e ("usb:gadget Separated decoding functions from dwc3 driver.") >>>> > >>>> > I have used the usb tree from next-20190703 for today. >>>> > >>>> > This also occurs in the usb-gadget tree so I have used the version of >>>> > that from next-20190703 as well. >>>> >>>> Odd, I thought I pulled the usb-gadget tree into mine. Felipe, can you >>>> take a look at this to see if I messed something up? >>> >>>This looks like it was caused by Pawel's patches. >>> >>>I'll try to reproduce here and see what's causing it. >> >> Problem is in my Patch. I reproduced it, but I don't understand why compiler >> complains about usb_decode_ctrl. It's compiled into libcomposite.ko and >> declaration is in drivers/usb/gadget.h. > >That's because in multi_v7_defconfig dwc3 is built-in while libcomposite >is a module: > >CONFIG_USB_DWC3=y >CONFIG_USB_LIBCOMPOSITE=m > > >I remember that when you were doing this work, I asked you to move >functions to usb/common. Why did you deviate from that suggestion? It's >clear that decoding a ctrl request can be used by peripheral and host >and we wouldn't have to deal with this problem if you had just followed >the suggestion. Some time ago Greg wrote: " It's nice to have these in a common place, but you just bloated all of the USB-enabled systems in the world for the use of 2 odd-ball system controllers that almost no one has :) " So I moved these functions to gadget directory. It was mistake that I added debug.c file to libcomposite.ko. > >Now we have to come up with a way to fix this that doesn't involve >reverting my part2 tag in its entirety because there are other important >things there. > >This is what I get for trusting people to do their part. I couldn't even >compile test this since I don't have ARM compilers anymore (actually, >just installed to test). Your customer, however, uses ARM cores so I >would expect you to have at least compile tested this on ARM. How come >this wasn't verified by anybody at TI? > >TI used to have automated testing for many of the important defconfigs, >is that completely gone? Are you guys relying entirely on linux-next? > >Greg, if you prefer, please revert my part2 tag. If you do so, please >let me know so I can drop the tag and commits from my tree as well. > >Pawel, please make sure this never happens again. It's pretty simple to >avoid this sort of thing. I'll keep ARM compiler installed for >build-testing as well. > >-- >balbi