usb: gadget: Make VERBOSE_DEBUG enableable via Kconfig

Create a way for VERBOSE_DEBUG to be enabled during
drivers/usb/gadget/ build.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

2 files changed, 16 insertions, 1 deletions

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 604f885345f1..a91e6422f930 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -58,6 +58,20 @@ config USB_GADGET_DEBUG
            trying to track down.  Never enable these messages for a
            production build.
 
+config USB_GADGET_VERBOSE
+        bool "Verbose debugging Messages (DEVELOPMENT)"
+        depends on USB_GADGET_DEBUG
+        help
+           Many controller and gadget drivers will print verbose debugging
+           messages if you use this option to ask for those messages.
+
+           Avoid enabling these messages, even if you're actively
+           debugging such a driver.  Many drivers will emit so many
+           messages that the driver timings are affected, which will
+           either create new failure modes or remove the one you're
+           trying to track down.  Never enable these messages for a
+           production build.
+
 config USB_GADGET_DEBUG_FILES
         boolean "Debugging information files (DEVELOPMENT)"
         depends on PROC_FS
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index f1bd42a2cbba..f1af39603d4d 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -1,7 +1,8 @@
 #
 # USB peripheral controller drivers
 #
-ccflags-$(CONFIG_USB_GADGET_DEBUG) := -DDEBUG
+ccflags-$(CONFIG_USB_GADGET_DEBUG)      := -DDEBUG
+ccflags-$(CONFIG_USB_GADGET_VERBOSE)    += -DVERBOSE_DEBUG
 
 obj-$(CONFIG_USB_GADGET)        += udc-core.o
 obj-$(CONFIG_USB_LIBCOMPOSITE)  += libcomposite.o