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your patch fixed the two other warnings (the > dead atafb_ioctl and pclock =3D 0). Since you mentioned "Fixes: > d463633d63e6" pointing at my commit, maybe you can take a look at the > line 2457, too? I'm too unfamiliar with the whole process but since I > got the warning email, I just wanted to point your attention to it. I just send a patch to fix this to the mailing lists and added it into my for-next tree. You may respond to the patch with an Acked-by or Reviewed-by tag if you like. Thanks! Helge =20 > Thanks, > Miro >=20 > On Sat, 26 Sept 2026 at 15:09, kernel test robot wrote: >> >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.= git master >> head: 5fc5768c7ca92895ccd1de94dc521e5a55ae7896 >> commit: d463633d63e6aa10384683bf39971a4b00780c56 fbdev: atafb: Add supp= ort for SuperVidel's SuperBlitter >> date: 5 weeks ago >> config: m68k-randconfig-r1308-20260926 (https://download.01.org/0day-ci= /archive/20260926/202609261313.kgFtkz2t-lkp@intel.com/config) >> compiler: m68k-linux-gcc (GCC) 16.1.0 >> sparse: v0.6.5-rc1 >> reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/arc= hive/20260926/202609261313.kgFtkz2t-lkp@intel.com/reproduce) >> >> If you fix the issue in a separate patch/commit (i.e. not just a new ve= rsion of >> the same patch/commit), kindly add following tags >> | Fixes: d463633d63e6 ("fbdev: atafb: Add support for SuperVidel's Supe= rBlitter") >> | Reported-by: kernel test robot >> | Closes: https://lore.kernel.org/oe-kbuild-all/202609261313.kgFtkz2t-l= kp@intel.com/ >> >> sparse warnings: (new ones prefixed by >>) >> drivers/video/fbdev/atafb.c:2824:9: sparse: sparse: switch with no = cases >> drivers/video/fbdev/atafb.c:1092:34: sparse: sparse: Using plain in= teger as NULL pointer >>>> drivers/video/fbdev/atafb.c:2457:17: sparse: sparse: cast removes add= ress space '__iomem' of expression >> drivers/video/fbdev/atafb.c:2641:27: sparse: sparse: incorrect type= in assignment (different address spaces) @@ expected char [noderef] _= _iomem *screen_base @@ got void * @@ >> drivers/video/fbdev/atafb.c:2641:27: sparse: expected char [nod= eref] __iomem *screen_base >> drivers/video/fbdev/atafb.c:2641:27: sparse: got void * >> drivers/video/fbdev/atafb.c:2815:32: sparse: sparse: incorrect type= in argument 1 (different address spaces) @@ expected void *dst @@ = got char [noderef] __iomem *screen_base @@ >> drivers/video/fbdev/atafb.c:2815:32: sparse: expected void *dst >> drivers/video/fbdev/atafb.c:2815:32: sparse: got char [noderef]= __iomem *screen_base >> drivers/video/fbdev/atafb.c:3353:38: sparse: sparse: incorrect type= in assignment (different address spaces) @@ expected void *static [to= plevel] external_screen_base @@ got void [noderef] __iomem * @@ >> drivers/video/fbdev/atafb.c:3353:38: sparse: expected void *sta= tic [toplevel] external_screen_base >> drivers/video/fbdev/atafb.c:3353:38: sparse: got void [noderef]= __iomem * >> drivers/video/fbdev/atafb.c:3424:33: sparse: sparse: incorrect type= in argument 1 (different address spaces) @@ expected void [noderef] _= _iomem *addr @@ got void *static [toplevel] external_screen_base @@ >> drivers/video/fbdev/atafb.c:3424:33: sparse: expected void [nod= eref] __iomem *addr >> drivers/video/fbdev/atafb.c:3424:33: sparse: got void *static [= toplevel] external_screen_base >> drivers/video/fbdev/atafb.c:3428:34: sparse: sparse: incorrect type= in argument 1 (different address spaces) @@ expected void [noderef] _= _iomem *addr @@ got void * @@ >> drivers/video/fbdev/atafb.c:3428:34: sparse: expected void [nod= eref] __iomem *addr >> drivers/video/fbdev/atafb.c:3428:34: sparse: got void * >> >> vim +/__iomem +2457 drivers/video/fbdev/atafb.c >> >> 2436 >> 2437 static void svblit_fillrect(struct fb_info *info, >> 2438 const struct fb_fillrect *rect) >> 2439 { >> 2440 u32 bytespp =3D info->var.bits_per_pixel / 8; >> 2441 u32 pitch =3D info->fix.line_length; >> 2442 u8 *line; >> 2443 u32 pix; >> 2444 >> 2445 svblit_wait(); /* the CPU is about to touch t= he fb */ >> 2446 >> 2447 if (rect->rop !=3D ROP_COPY || rect->height <=3D 1 || >> 2448 rect->height > 4096) { >> 2449 cfb_fillrect(info, rect); >> 2450 return; >> 2451 } >> 2452 >> 2453 pix =3D (info->fix.visual =3D=3D FB_VISUAL_TRUECOLOR) = ? >> 2454 ((u32 *)info->pseudo_palette)[rect->color] : r= ect->color; >> 2455 >> 2456 /* draw the first line with the CPU ... */ >>> 2457 line =3D (u8 *)info->screen_base + rect->dy * pitch + >> 2458 rect->dx * bytespp; >> 2459 switch (bytespp) { >> 2460 case 1: >> 2461 memset(line, pix, rect->width); >> 2462 break; >> 2463 case 2: >> 2464 memset16((u16 *)line, pix, rect->width); >> 2465 break; >> 2466 default: >> 2467 memset32((u32 *)line, pix, rect->width); >> 2468 break; >> 2469 } >> 2470 >> 2471 /* ... and let the blitter replicate it into the other= lines */ >> 2472 svblit_copy(external_addr + rect->dy * pitch + rect->d= x * bytespp, >> 2473 external_addr + (rect->dy + 1) * pitch + >> 2474 rect->dx * bytespp, >> 2475 rect->width * bytespp, 0, pitch, rect->hei= ght - 1); >> 2476 } >> 2477 >> >> -- >> 0-DAY CI Kernel Test Service >> https://github.com/intel/lkp-tests/wiki >=20 >=20 >=20