Hi Greg, On Wed, Feb 17, 2021 at 5:59 AM Greg Ungerer <g...@linux-m68k.org> wrote: > On 12/2/21 8:05 pm, Arnd Bergmann wrote: > > On Fri, Feb 12, 2021 at 6:48 AM kernel test robot <l...@intel.com> wrote: > >> FYI, the error/warning still remains. > > > >> | ^~~~~~~~~~~~ > >> arch/m68k/68000/dragen2.c: In function 'init_dragen2': > >>>> arch/m68k/68000/dragen2.c:73:16: error: 'screen_bits' undeclared (first > >>>> use in this function) > >> 73 | LSSA = (long) screen_bits; > >> | ^~~~~~~~~~~ > >> arch/m68k/68000/dragen2.c:73:16: note: each undeclared identifier is > >> reported only once for each function it appears in > > > > This problem existed before my patch, I just moved the line to another file. > > To fix it, one needs to test on real hardware and figure out what is > > supposed > > to go in there. > > > > The bug was apparently introduced in linux-2.5.70 in this commit: > > > > commit 2b1a7e97c8c2d6330a432cbcaf83a0ef5fab848e > > Author: gerg <gerg> > > Date: Mon May 26 16:45:57 2003 +0000 > > > > [PATCH] fix m68knommu DragonEngine2 target setup code > > > > Numerous fixes for the m68knommu DragonEngine2 setup code. > > > > It was out of date relative to more recent kernels. Original patches > > from Georges Menie. > > > > BKrev: 3ed244c5dPVeFKP63b4kkeS_rEshag > > Digging around a bit I think the screen_bits data structure was > originally in a screen.h file that was generated from a screen.xbm file. > That was removed in commit 0c0e6db80683 ("m68k: drop unused parts of > 68VZ328 Makefile"). > > Obviously no one seems to be using this, that has been broken for a long > time now. > > I could restore the generated screen.h here, so this could compile at > least. I don't have any of the hardware supported in the arch/m68k/68000 > directory, so I can't test anything we fix in there.
Do you have the generated screen.h? Looks like both the tool (xbm2lcd.pl) and the source (screen.xbm) never made it upstream? > The other option is to remove the dragen code altogether. Just remove the part protected by checks for CONFIG_INIT_LCD? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds