target/linux/ixp4xx/patches-2.6.27/400-dmabounce.patch

   1 --- a/arch/arm/common/dmabounce.c
   2 +++ b/arch/arm/common/dmabounce.c
   3 @@ -117,6 +117,10 @@ alloc_safe_buffer(struct dmabounce_devic
   4         } else if (size <= device_info->large.size) {
   5                 pool = &device_info->large;
   6         } else {
   7 +#ifdef CONFIG_DMABOUNCE_DEBUG
   8 +               printk(KERN_INFO "A dma bounce buffer outside the pool size was requested. Requested size was 0x%08X\nThe calling code was :\n", size);
   9 +               dump_stack();
  10 +#endif
  11                 pool = NULL;
  12         }
  13
  14 --- a/arch/arm/mach-ixp4xx/Kconfig
  15 +++ b/arch/arm/mach-ixp4xx/Kconfig
  16 @@ -251,6 +251,11 @@ config DMABOUNCE
  17         default y
  18         depends on PCI
  19
  20 +config DMABOUNCE_DEBUG
  21 +       bool "Enable DMABounce debuging"
  22 +       default n
  23 +       depends on DMABOUNCE
  24 +
  25  config IXP4XX_INDIRECT_PCI
  26         bool "Use indirect PCI memory access"
  27         depends on PCI