On Tue, Mar 20, 2018 at 9:15 PM, Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> Hi Arnd,
>
> 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>'.
Arnd
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