target/linux/brcm47xx-2.6/patches/160-kmap_coherent.patch

   1 --- ./arch/mips/mm/init.c.orig  2007-03-22 08:08:34.000000000 -0600
   2 +++ ./arch/mips/mm/init.c       2007-03-22 08:09:04.000000000 -0600
   3 @@ -207,7 +207,7 @@
   4         struct page *page, unsigned long vaddr, void *dst, const void *src,
   5         unsigned long len)
   6  {
   7 -       if (cpu_has_dc_aliases) {
   8 +       if (cpu_has_dc_aliases && cpu_use_kmap_coherent) {
   9                 void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
  10                 memcpy(vto, src, len);
  11                 kunmap_coherent(page);
  12 @@ -223,7 +223,7 @@
  13         struct page *page, unsigned long vaddr, void *dst, const void *src,
  14         unsigned long len)
  15  {
  16 -       if (cpu_has_dc_aliases) {
  17 +       if (cpu_has_dc_aliases && cpu_use_kmap_coherent) {
  18                 void *vfrom =
  19                         kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
  20                 memcpy(dst, vfrom, len);
  21 --- ./include/asm-mips/mach-bcm947xx/cpu-feature-overrides.h.orig       2007-03-22 08:10:54.000000000 -0600
  22 +++ ./include/asm-mips/mach-bcm947xx/cpu-feature-overrides.h    2007-03-22 08:10:50.000000000 -0600
  23 @@ -0,0 +1,13 @@
  24 +/*
  25 + * This file is subject to the terms and conditions of the GNU General Public
  26 + * License.  See the file "COPYING" in the main directory of this archive
  27 + * for more details.
  28 + *
  29 + * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
  30 + */
  31 +#ifndef __ASM_MACH_BCM947XX_CPU_FEATURE_OVERRIDES_H
  32 +#define __ASM_MACH_BCM947XX_CPU_FEATURE_OVERRIDES_H
  33 +
  34 +#define cpu_use_kmap_coherent  0
  35 +
  36 +#endif /* __ASM_MACH_BCM947XX_CPU_FEATURE_OVERRIDES_H */
  37 --- ./include/asm-mips/cpu-features.h.orig      2007-03-22 08:09:16.000000000 -0600
  38 +++ ./include/asm-mips/cpu-features.h   2007-03-22 08:09:52.000000000 -0600
  39 @@ -98,6 +98,9 @@
  40  #ifndef cpu_has_pindexed_dcache
  41  #define cpu_has_pindexed_dcache        (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX)
  42  #endif
  43 +#ifndef cpu_use_kmap_coherent
  44 +#define cpu_use_kmap_coherent 1
  45 +#endif
  46
  47  /*
  48   * I-Cache snoops remote store.  This only matters on SMP.  Some multiprocessors