On Mon, May 18, 2020 at 8:56 AM kbuild test robot <lkp@xxxxxxxxx> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: bdecf38f228bcca73b31ada98b5b7ba1215eb9c9 > commit: bbd7ffdbef6888459f301c5889f3b14ada38b913 [6172/9662] clk: Allow the common clk framework to be selectable > config: ia64-randconfig-s001-20200518 (attached as .config) > reproduce: > # apt-get install sparse > # sparse version: v0.6.1-193-gb8fad4bc-dirty > git checkout bbd7ffdbef6888459f301c5889f3b14ada38b913 > # save the attached .config to linux build tree > make C=1 ARCH=ia64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > > sparse warnings: (new ones prefixed by >>) > > drivers/video/fbdev/atmel_lcdfb.c:354:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] <asn:2> *screen_base @@ got n:2> *screen_base @@ > drivers/video/fbdev/atmel_lcdfb.c:354:27: sparse: expected char [noderef] <asn:2> *screen_base > drivers/video/fbdev/atmel_lcdfb.c:354:27: sparse: got void * > >> drivers/video/fbdev/atmel_lcdfb.c:362:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got char [noderef] <asvoid * @@ > >> drivers/video/fbdev/atmel_lcdfb.c:362:20: sparse: expected void * > drivers/video/fbdev/atmel_lcdfb.c:362:20: sparse: got char [noderef] <asn:2> *screen_base > drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] <asvoid *cpu_addr @@ > drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: expected void *cpu_addr > drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: got char [noderef] <asn:2> *screen_base > drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] <asvoid *cpu_addr @@ > drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: expected void *cpu_addr > drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: got char [noderef] <asn:2> *screen_base This is an old bug, valid but harmless. The same thing happens in a number of fbdev drivers, but it may be hard to motivate someone to fix them all. Arnd
