USB: fix the USB_GADGET_DUMMY_HCD dependencies

If USB=m, USB_GADGET=y, the option USB_GADGET_DUMMY_HCD mustn't be
offered since selecting it results in a compile error.

This patch fixes kernel Bugzilla #6534 reported by Toralf Förster.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 363b2ad..1a32d96 100644 (file)
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -207,7 +207,7 @@ config USB_AT91
 
 config USB_GADGET_DUMMY_HCD
        boolean "Dummy HCD (DEVELOPMENT)"
-       depends on USB && EXPERIMENTAL
+       depends on (USB=y || (USB=m && USB_GADGET=m)) && EXPERIMENTAL
        select USB_GADGET_DUALSPEED
        help
          This host controller driver emulates USB, looping all data transfer