diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.28/400-dmabounce.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches-2.6.28/400-dmabounce.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.28/400-dmabounce.patch b/target/linux/ixp4xx/patches-2.6.28/400-dmabounce.patch new file mode 100644 index 0000000000..af68a55b12 --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.28/400-dmabounce.patch @@ -0,0 +1,27 @@ +--- a/arch/arm/common/dmabounce.c ++++ b/arch/arm/common/dmabounce.c +@@ -117,6 +117,10 @@ alloc_safe_buffer(struct dmabounce_devic + } else if (size <= device_info->large.size) { + pool = &device_info->large; + } else { ++#ifdef CONFIG_DMABOUNCE_DEBUG ++ printk(KERN_INFO "A dma bounce buffer outside the pool size was requested. Requested size was 0x%08X\nThe calling code was :\n", size); ++ dump_stack(); ++#endif + pool = NULL; + } + +--- a/arch/arm/mach-ixp4xx/Kconfig ++++ b/arch/arm/mach-ixp4xx/Kconfig +@@ -246,6 +246,11 @@ config MACH_MI424WR + + comment "IXP4xx Options" + ++config DMABOUNCE_DEBUG ++ bool "Enable DMABounce debuging" ++ default n ++ depends on DMABOUNCE ++ + config IXP4XX_INDIRECT_PCI + bool "Use indirect PCI memory access" + depends on PCI |