Hi Arnd, On Wednesday, 21 March 2018 09:38:35 EET Arnd Bergmann wrote: > On Tue, Mar 20, 2018 at 9:15 PM, Laurent Pinchart wrote: > > On Friday, 16 March 2018 10:25:25 EET Arnd Bergmann wrote: > >> On Fri, Mar 16, 2018 at 2:39 AM, <Frank.Rowand@xxxxxxxx> wrote: > >>> On Thursday, March 15, 2018 8:37 AM, Arnd Bergmann wrote: > >>>> The *.dtb and *.dtb.S files get removed by 'make' during the build > >>>> process, and later seem to be missed during the 'modpost' stage: > >>>> > >>>> rm drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dtb > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dtb > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dtb.S > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dtb.S > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dtb.S > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dtb > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dtb > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dtb > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dtb.S > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dtb.S > >>>> WARNING: could not open > >>>> drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dtb.S: No such file or > >>>> directory > >>>> > >>>> As a workaround, this adds all those files to the 'extra-y' target > >>>> list, but that's really ugly. Any ideas for a better fix? > >>> > >>> Does this work for you (untested, but the way it is done in > >>> drivers/of/unittest-data/Makefile): > >>> > >>> .PRECIOUS: \ > >>> $(obj)/%.dtb.S \ > >>> $(obj)/%.dtb > >> > >> Yes, that works and looks much better than my version. > > > > Thank you for your patch, and sorry for breaking the build. Do you plan to > > submit a new version based on Frank's approach ? > > I'm currently at Linaro Connect and won't be able to send a tested patch > before mid next week. If you want it earlier, feel free to apply that patch > with my original description and 'Reported-by: Arnd Bergmann > <arnd@xxxxxxxx>'. I was about to do so, but realized I can't reproduce the problem here. If you don't mind I'll let you submit a v2. Alternatively I can work on it if you give me instruction to reproduce the issue. -- Regards, Laurent Pinchart
