usb: gadget: f_tcm: convert to new function interface with backward compatibility
Converting tcm to the new function interface requires converting
USB tcm's function code and its users.
This patch converts the f_tcm.c to the new function interface.
The file can be now compiled into a separate module usb_f_tcm.ko.
The old function interface is provided by means of preprocessor conditional
directives. After all users are converted, the old interface can be
removed.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 33834aa..5bf50db 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -199,6 +199,9 @@
config USB_F_PRINTER
tristate
+config USB_F_TCM
+ tristate
+
choice
tristate "USB Gadget Drivers"
default USB_ETH