Hi Bartlomiej, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.1-rc4 next-20190412] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Bartlomiej-Zolnierkiewicz/video-fbdev-pxa168fb-add-COMPILE_TEST-support/20190413-043546 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' sparse warnings: (new ones prefixed by >>) >> drivers/video/fbdev/pxa168fb.c:175:29: sparse: expression using sizeof(void) >> drivers/video/fbdev/pxa168fb.c:175:29: sparse: expression using sizeof(void) drivers/video/fbdev/pxa168fb.c:180:37: sparse: expression using sizeof(void) drivers/video/fbdev/pxa168fb.c:180:37: sparse: expression using sizeof(void) >> drivers/video/fbdev/pxa168fb.c:603:32: sparse: Using plain integer as NULL pointer drivers/video/fbdev/pxa168fb.c:604:37: sparse: Using plain integer as NULL pointer >> drivers/video/fbdev/pxa168fb.c:680:27: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] <asn:2>*screen_base @@ got sn:2>*screen_base @@ drivers/video/fbdev/pxa168fb.c:680:27: expected char [noderef] <asn:2>*screen_base drivers/video/fbdev/pxa168fb.c:680:27: got void * >> drivers/video/fbdev/pxa168fb.c:770:29: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] <avoid *cpu_addr @@ drivers/video/fbdev/pxa168fb.c:770:29: expected void *cpu_addr drivers/video/fbdev/pxa168fb.c:770:29: got char [noderef] <asn:2>*screen_base drivers/video/fbdev/pxa168fb.c:805:25: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] <avoid *cpu_addr @@ drivers/video/fbdev/pxa168fb.c:805:25: expected void *cpu_addr drivers/video/fbdev/pxa168fb.c:805:25: got char [noderef] <asn:2>*screen_base vim +175 drivers/video/fbdev/pxa168fb.c 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 165 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 166 static void set_mode(struct pxa168fb_info *fbi, struct fb_var_screeninfo *var, 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 167 struct fb_videomode *mode, int pix_fmt, int ystretch) 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 168 { 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 169 struct fb_info *info = fbi->info; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 170 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 171 set_pix_fmt(var, pix_fmt); 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 172 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 173 var->xres = mode->xres; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 174 var->yres = mode->yres; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 @175 var->xres_virtual = max(var->xres, var->xres_virtual); 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 176 if (ystretch) 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 177 var->yres_virtual = info->fix.smem_len / 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 178 (var->xres_virtual * (var->bits_per_pixel >> 3)); 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 179 else 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 180 var->yres_virtual = max(var->yres, var->yres_virtual); 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 181 var->grayscale = 0; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 182 var->accel_flags = FB_ACCEL_NONE; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 183 var->pixclock = mode->pixclock; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 184 var->left_margin = mode->left_margin; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 185 var->right_margin = mode->right_margin; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 186 var->upper_margin = mode->upper_margin; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 187 var->lower_margin = mode->lower_margin; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 188 var->hsync_len = mode->hsync_len; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 189 var->vsync_len = mode->vsync_len; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 190 var->sync = mode->sync; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 191 var->vmode = FB_VMODE_NONINTERLACED; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 192 var->rotate = FB_ROTATE_UR; 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 193 } 638772c7 drivers/video/pxa168fb.c Lennert Buytenhek 2009-02-11 194 :::::: The code at line 175 was first introduced by commit :::::: 638772c7553f6893f7b346bfee4d46851af59afc fb: add support of LCD display controller on pxa168/910 (base layer) :::::: TO: Lennert Buytenhek <buytenh@xxxxxxxxxxx> :::::: CC: Eric Miao <eric.y.miao@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
