blob: e88dc93e2a29be08f59620a99e7765cf49fa079a (
plain)
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--- 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
@@ -251,6 +251,11 @@ config DMABOUNCE
default y
depends on PCI
+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
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