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-rw-r--r--drivers/dma/Kconfig16
-rw-r--r--drivers/dma/Makefile7
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index e02d74b1e892..1f4bbd66258d 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -13,6 +13,22 @@ menuconfig DMADEVICES
DMA Device drivers supported by the configured arch, it may
be empty in some cases.
+config DMADEVICES_DEBUG
+ bool "DMA Engine debugging"
+ depends on DMADEVICES != n
+ help
+ This is an option for use by developers; most people should
+ say N here. This enables DMA engine core and driver debugging.
+
+config DMADEVICES_VDEBUG
+ bool "DMA Engine verbose debugging"
+ depends on DMADEVICES_DEBUG != n
+ help
+ This is an option for use by developers; most people should
+ say N here. This enables deeper (more verbose) debugging of
+ the DMA engine core and drivers.
+
+
if DMADEVICES
comment "DMA Devices"
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 807053d48232..54112d67ab2e 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -1,3 +1,10 @@
+ifeq ($(CONFIG_DMADEVICES_DEBUG),y)
+ EXTRA_CFLAGS += -DDEBUG
+endif
+ifeq ($(CONFIG_DMADEVICES_VDEBUG),y)
+ EXTRA_CFLAGS += -DVERBOSE_DEBUG
+endif
+
obj-$(CONFIG_DMA_ENGINE) += dmaengine.o
obj-$(CONFIG_NET_DMA) += iovlock.o
obj-$(CONFIG_DMATEST) += dmatest.o