Hi Bartlomiej, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.2-rc1 next-20190524] [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-pvr2fb-remove-function-prototypes/20190524-145925 config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/video//fbdev/pvr2fb.c: In function 'pvr2_get_param': >> drivers/video//fbdev/pvr2fb.c:737:12: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] return (int)p[i].name; ^ In file included from include/linux/kernel.h:15:0, from include/linux/list.h:9, from include/linux/module.h:9, from drivers/video//fbdev/pvr2fb.c:48: drivers/video//fbdev/pvr2fb.c: In function 'pvr2fb_common_init': >> drivers/video//fbdev/pvr2fb.c:823:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] (char *)pvr2_get_param(cables, NULL, cable_type, 3), ^ include/linux/printk.h:311:34: note: in definition of macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~ >> drivers/video//fbdev/pvr2fb.c:819:2: note: in expansion of macro 'fb_info' fb_info(fb_info, "Mode %dx%d-%d pitch = %ld cable: %s video output: %s\n", ^~~~~~~ drivers/video//fbdev/pvr2fb.c:824:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] (char *)pvr2_get_param(outputs, NULL, video_output, 3)); ^ include/linux/printk.h:311:34: note: in definition of macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~ >> drivers/video//fbdev/pvr2fb.c:819:2: note: in expansion of macro 'fb_info' fb_info(fb_info, "Mode %dx%d-%d pitch = %ld cable: %s video output: %s\n", ^~~~~~~ sparse warnings: (new ones prefixed by >>) >> drivers/video/fbdev/pvr2fb.c:1050:11: sparse: sparse: Using plain integer as NULL pointer >> drivers/video/fbdev/pvr2fb.c:737:46: sparse: sparse: non size-preserving pointer to integer cast >> drivers/video/fbdev/pvr2fb.c:819:9: sparse: sparse: non size-preserving integer to pointer cast >> drivers/video/fbdev/pvr2fb.c:819:9: sparse: sparse: non size-preserving integer to pointer cast vim +/fb_info +819 drivers/video//fbdev/pvr2fb.c 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 725 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 726 static int pvr2_get_param(const struct pvr2_params *p, const char *s, int val, 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 727 int size) 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 728 { 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 729 int i; 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 730 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 731 for (i = 0 ; i < size ; i++ ) { 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 732 if (s != NULL) { 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 733 if (!strncasecmp(p[i].name, s, strlen(s))) 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 734 return p[i].val; 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 735 } else { 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 736 if (p[i].val == val) 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 @737 return (int)p[i].name; 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 738 } 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 739 } 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 740 return -1; 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 741 } 970866e8 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 742 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 743 /** ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 744 * pvr2fb_common_init ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 745 * ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 746 * Common init code for the PVR2 chips. ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 747 * ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 748 * This mostly takes care of the common aspects of the fb setup and ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 749 * registration. It's expected that the board-specific init code has ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 750 * already setup pvr2_fix with something meaningful at this point. ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 751 * ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 752 * Device info reporting is also done here, as well as picking a sane ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 753 * default from the modedb. For board-specific modelines, simply define ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 754 * a per-board modedb. ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 755 * ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 756 * Also worth noting is that the cable and video output types are likely ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 757 * always going to be VGA for the PCI-based PVR2 boards, but we leave this ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 758 * in for flexibility anyways. Who knows, maybe someone has tv-out on a ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 759 * PCI-based version of these things ;-) ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 760 */ c76c323b drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 761 static int __maybe_unused pvr2fb_common_init(void) ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 762 { ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 763 struct pvr2fb_par *par = currentpar; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 764 unsigned long modememused, rev; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 765 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 766 fb_info->screen_base = ioremap_nocache(pvr2_fix.smem_start, ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 767 pvr2_fix.smem_len); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 768 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 769 if (!fb_info->screen_base) { ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 770 printk(KERN_ERR "pvr2fb: Failed to remap smem space\n"); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 771 goto out_err; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 772 } ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 773 c76c323b drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-05-22 774 par->mmio_base = ioremap_nocache(pvr2_fix.mmio_start, ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 775 pvr2_fix.mmio_len); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 776 if (!par->mmio_base) { ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 777 printk(KERN_ERR "pvr2fb: Failed to remap mmio space\n"); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 778 goto out_err; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 779 } ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 780 d2b06a8b drivers/video/pvr2fb.c Paul Mundt 2006-09-27 781 fb_memset(fb_info->screen_base, 0, pvr2_fix.smem_len); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 782 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 783 pvr2_fix.ypanstep = nopan ? 0 : 1; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 784 pvr2_fix.ywrapstep = nowrap ? 0 : 1; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 785 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 786 fb_info->fbops = &pvr2fb_ops; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 787 fb_info->fix = pvr2_fix; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 788 fb_info->par = currentpar; 9cd1c674 drivers/video/pvr2fb.c Antonino A. Daplas 2007-08-10 789 fb_info->pseudo_palette = currentpar->palette; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 790 fb_info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 791 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 792 if (video_output == VO_VGA) ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 793 defmode = DEFMODE_VGA; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 794 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 795 if (!mode_option) ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 796 mode_option = "640x480@60"; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 797 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 798 if (!fb_find_mode(&fb_info->var, fb_info, mode_option, pvr2_modedb, ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 799 NUM_TOTAL_MODES, &pvr2_modedb[defmode], 16)) ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 800 fb_info->var = pvr2_var; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 801 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 802 fb_alloc_cmap(&fb_info->cmap, 256, 0); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 803 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 804 if (register_framebuffer(fb_info) < 0) ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 805 goto out_err; 306c869c drivers/video/pvr2fb.c Adrian McMenamin 2007-08-10 806 /*Must write PIXDEPTH to register before anything is displayed - so force init */ 306c869c drivers/video/pvr2fb.c Adrian McMenamin 2007-08-10 807 pvr2_init_display(fb_info); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 808 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 809 modememused = get_line_length(fb_info->var.xres_virtual, ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 810 fb_info->var.bits_per_pixel); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 811 modememused *= fb_info->var.yres_virtual; ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 812 ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 813 rev = fb_readl(par->mmio_base + 0x04); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 814 31b6780c drivers/video/pvr2fb.c Joe Perches 2013-09-19 815 fb_info(fb_info, "%s (rev %ld.%ld) frame buffer device, using %ldk/%ldk of video memory\n", 31b6780c drivers/video/pvr2fb.c Joe Perches 2013-09-19 816 fb_info->fix.id, (rev >> 4) & 0x0f, rev & 0x0f, 31b6780c drivers/video/pvr2fb.c Joe Perches 2013-09-19 817 modememused >> 10, 31b6780c drivers/video/pvr2fb.c Joe Perches 2013-09-19 818 (unsigned long)(fb_info->fix.smem_len >> 10)); 31b6780c drivers/video/pvr2fb.c Joe Perches 2013-09-19 @819 fb_info(fb_info, "Mode %dx%d-%d pitch = %ld cable: %s video output: %s\n", 31b6780c drivers/video/pvr2fb.c Joe Perches 2013-09-19 820 fb_info->var.xres, fb_info->var.yres, ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 821 fb_info->var.bits_per_pixel, ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 822 get_line_length(fb_info->var.xres, fb_info->var.bits_per_pixel), ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 @823 (char *)pvr2_get_param(cables, NULL, cable_type, 3), ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 824 (char *)pvr2_get_param(outputs, NULL, video_output, 3)); ^1da177e drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 825 :::::: The code at line 819 was first introduced by commit :::::: 31b6780c15a4e3a90fe260e977f5186772ce7afb framebuffer: Use fb_<level> :::::: TO: Joe Perches <joe@xxxxxxxxxxx> :::::: CC: Tomi Valkeinen <tomi.valkeinen@xxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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