package/sparc/afbinit/hotfix-mmap.patch

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # T2 SDE: package/*/afbinit/hotfix-mmap.patch
   3 # Copyright (C) 2022 The T2 SDE Project
   4 #
   5 # This Copyright note is generated by scripts/Create-CopyPatch,
   6 # more information can be found in the files COPYING and README.
   7 #
   8 # This patch file is dual-licensed. It is available under the license the
   9 # patched project is licensed under, as long as it is an OpenSource license
  10 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  11 # of the GNU General Public License version 2 as used by the T2 SDE.
  12 # --- T2-COPYRIGHT-NOTE-END ---
  13
  14 --- ./afbinit.c.vanilla
  15 +++ ./afbinit.c
  16 @@ -236,7 +236,7 @@
  17         /* MMAP the registers. */
  18         uregs = mmap(0, 0x2000,
  19                      PROT_READ | PROT_WRITE,
  20 -                    MAP_PRIVATE,
  21 +                    MAP_SHARED,
  22                      afb_fd,
  23                      0x04000000);
  24         if (uregs == (void *)-1L) {
  25 @@ -246,7 +246,7 @@
  26
  27         kregs = mmap(0, 0x2000,
  28                      PROT_READ | PROT_WRITE,
  29 -                    MAP_PRIVATE,
  30 +                    MAP_SHARED,
  31                      afb_fd,
  32                      0x0bc04000);
  33         if (kregs == (void *)-1L) {