target/linux/ixp4xx/patches-2.6.23/400-dmabounce.patch

   1 Index: linux-2.6.23.17/arch/arm/common/dmabounce.c
   2 ===================================================================
   3 --- linux-2.6.23.17.orig/arch/arm/common/dmabounce.c
   4 +++ linux-2.6.23.17/arch/arm/common/dmabounce.c
   5 @@ -116,6 +116,10 @@ alloc_safe_buffer(struct dmabounce_devic
   6         } else if (size <= device_info->large.size) {
   7                 pool = &device_info->large;
   8         } else {
   9 +#ifdef CONFIG_DMABOUNCE_DEBUG
  10 +               printk(KERN_INFO "A dma bounce buffer outside the pool size was requested. Requested size was 0x%08X\nThe calling code was :\n", size);
  11 +               dump_stack();
  12 +#endif
  13                 pool = NULL;
  14         }
  15
  16 Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/Kconfig
  17 ===================================================================
  18 --- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/Kconfig
  19 +++ linux-2.6.23.17/arch/arm/mach-ixp4xx/Kconfig
  20 @@ -220,6 +220,11 @@ config DMABOUNCE
  21         default y
  22         depends on PCI
  23
  24 +config DMABOUNCE_DEBUG
  25 +       bool "Enable DMABounce debuging"
  26 +       default n
  27 +       depends on DMABOUNCE
  28 +
  29  config IXP4XX_INDIRECT_PCI
  30         bool "Use indirect PCI memory access"
  31         depends on PCI