tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7c30b859a947535f2213277e827d7ac7dcff9c84 commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 13 days ago config: sparc64-randconfig-s032-20200701 (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-3-gfa153962-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sparc64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) >> drivers/video/fbdev/ffb.c:939:27: sparse: sparse: incorrect type in >> assignment (different address spaces) @@ expected char [noderef] __iomem >> *screen_base @@ got char * @@ >> drivers/video/fbdev/ffb.c:939:27: sparse: expected char [noderef] >> __iomem *screen_base drivers/video/fbdev/ffb.c:939:27: sparse: got char * vim +939 drivers/video/fbdev/ffb.c ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 896 48c68c4f1b5424 drivers/video/ffb.c Greg Kroah-Hartman 2012-12-21 897 static int ffb_probe(struct platform_device *op) ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 898 { 61c7a080a5a061 drivers/video/ffb.c Grant Likely 2010-04-13 899 struct device_node *dp = op->dev.of_node; 50312ce9dd794e drivers/video/ffb.c David S. Miller 2006-06-29 900 struct ffb_fbc __iomem *fbc; 50312ce9dd794e drivers/video/ffb.c David S. Miller 2006-06-29 901 struct ffb_dac __iomem *dac; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 902 struct fb_info *info; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 903 struct ffb_par *par; 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 904 u32 dac_pnum, dac_rev, dac_mrev; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 905 int err; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 906 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 907 info = framebuffer_alloc(sizeof(struct ffb_par), &op->dev); ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 908 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 909 err = -ENOMEM; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 910 if (!info) c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 911 goto out_err; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 912 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 913 par = info->par; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 914 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 915 spin_lock_init(&par->lock); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 916 par->fbc = of_ioremap(&op->resource[2], 0, 50312ce9dd794e drivers/video/ffb.c David S. Miller 2006-06-29 917 sizeof(struct ffb_fbc), "ffb fbc"); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 918 if (!par->fbc) c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 919 goto out_release_fb; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 920 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 921 par->dac = of_ioremap(&op->resource[1], 0, 50312ce9dd794e drivers/video/ffb.c David S. Miller 2006-06-29 922 sizeof(struct ffb_dac), "ffb dac"); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 923 if (!par->dac) c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 924 goto out_unmap_fbc; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 925 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 926 par->rop_cache = FFB_ROP_NEW; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 927 par->physbase = op->resource[0].start; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 928 ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 929 /* Don't mention copyarea, so SCROLL_REDRAW is always ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 930 * used. It is the fastest on this chip. ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 931 */ c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 932 info->flags = (FBINFO_DEFAULT | ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 933 /* FBINFO_HWACCEL_COPYAREA | */ ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 934 FBINFO_HWACCEL_FILLRECT | ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 935 FBINFO_HWACCEL_IMAGEBLIT); ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 936 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 937 info->fbops = &ffb_ops; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 938 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 @939 info->screen_base = (char *) par->physbase + FFB_DFB24_POFF; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 940 info->pseudo_palette = par->pseudo_palette; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 941 6cd5a86b56ec8f drivers/video/ffb.c Robert Reif 2008-05-08 942 sbusfb_fill_var(&info->var, dp, 32); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 943 par->fbsize = PAGE_ALIGN(info->var.xres * info->var.yres * 4); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 944 ffb_fixup_var_rgb(&info->var); ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 945 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 946 info->var.accel_flags = FB_ACCELF_TEXT; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 947 a6f13af4d115a1 drivers/video/fbdev/ffb.c Rob Herring 2019-02-08 948 if (of_node_name_eq(dp, "SUNW,afb")) c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 949 par->flags |= FFB_FLAG_AFB; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 950 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 951 par->board_type = of_getintprop_default(dp, "board_type", 0); ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 952 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 953 fbc = par->fbc; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 954 if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0) ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 955 upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr); ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 956 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 957 dac = par->dac; 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 958 upa_writel(FFB_DAC_DID, &dac->type); 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 959 dac_pnum = upa_readl(&dac->value); 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 960 dac_rev = (dac_pnum & FFB_DAC_DID_REV) >> FFB_DAC_DID_REV_SHIFT; 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 961 dac_pnum = (dac_pnum & FFB_DAC_DID_PNUM) >> FFB_DAC_DID_PNUM_SHIFT; 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 962 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 963 upa_writel(FFB_DAC_UCTRL, &dac->type); 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 964 dac_mrev = upa_readl(&dac->value); 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 965 dac_mrev = (dac_mrev & FFB_DAC_UCTRL_MANREV) >> 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 966 FFB_DAC_UCTRL_MANREV_SHIFT; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 967 ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 968 /* Elite3D has different DAC revision numbering, and no DAC revisions 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 969 * have the reversed meaning of cursor enable. Otherwise, Pacifica 1 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 970 * ramdacs with manufacturing revision less than 3 have inverted 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 971 * cursor logic. We identify Pacifica 1 as not Pacifica 2, the 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 972 * latter having a part number value of 0x236e. ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 973 */ c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 974 if ((par->flags & FFB_FLAG_AFB) || dac_pnum == 0x236e) { c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 975 par->flags &= ~FFB_FLAG_INVCURSOR; 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 976 } else { 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 977 if (dac_mrev < 3) c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 978 par->flags |= FFB_FLAG_INVCURSOR; 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 979 } 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 980 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 981 ffb_switch_from_graph(par); ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 982 ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 983 /* Unblank it just to be sure. When there are multiple ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 984 * FFB/AFB cards in the system, or it is not the OBP ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 985 * chosen console, it will have video outputs off in ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 986 * the DAC. ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 987 */ 59f7137a1369c2 drivers/video/ffb.c Robert Reif 2008-05-03 988 ffb_blank(FB_BLANK_UNBLANK, info); ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 989 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 990 if (fb_alloc_cmap(&info->cmap, 256, 0)) c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 991 goto out_unmap_dac; c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 992 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 993 ffb_init_fix(info); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 994 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 995 err = register_framebuffer(info); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 996 if (err < 0) c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 997 goto out_dealloc_cmap; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 998 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 999 dev_set_drvdata(&op->dev, info); ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 1000 6d7e653300e30f drivers/video/fbdev/ffb.c Rob Herring 2017-08-07 1001 printk(KERN_INFO "%pOF: %s at %016lx, type %d, " 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 1002 "DAC pnum[%x] rev[%d] manuf_rev[%d]\n", 6d7e653300e30f drivers/video/fbdev/ffb.c Rob Herring 2017-08-07 1003 dp, c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1004 ((par->flags & FFB_FLAG_AFB) ? "AFB" : "FFB"), c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1005 par->physbase, par->board_type, 37db9a348ad425 drivers/video/ffb.c David S. Miller 2007-03-26 1006 dac_pnum, dac_rev, dac_mrev); 50312ce9dd794e drivers/video/ffb.c David S. Miller 2006-06-29 1007 50312ce9dd794e drivers/video/ffb.c David S. Miller 2006-06-29 1008 return 0; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 1009 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1010 out_dealloc_cmap: c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1011 fb_dealloc_cmap(&info->cmap); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1012 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1013 out_unmap_dac: 7b0e278519eba8 drivers/video/ffb.c Axel Lin 2011-02-08 1014 of_iounmap(&op->resource[1], par->dac, sizeof(struct ffb_dac)); 50312ce9dd794e drivers/video/ffb.c David S. Miller 2006-06-29 1015 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1016 out_unmap_fbc: c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1017 of_iounmap(&op->resource[2], par->fbc, sizeof(struct ffb_fbc)); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1018 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1019 out_release_fb: c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1020 framebuffer_release(info); c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1021 c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1022 out_err: c7f439b99efbea drivers/video/ffb.c David S. Miller 2007-07-27 1023 return err; ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 1024 } ^1da177e4c3f41 drivers/video/ffb.c Linus Torvalds 2005-04-16 1025 :::::: The code at line 939 was first introduced by commit :::::: c7f439b99efbea74c70a5531f92566db5a6731f2 [VIDEO]: Fix OOPS in all SBUS framebuffer drivers. :::::: TO: David S. Miller <[email protected]> :::::: CC: David S. Miller <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
