usb: chipidea: fix the build error with randconfig

Using below  configs, the compile will have error:
ERROR: "ehci_init_driver" undefined!

.config:
CONFIG_USB_CHIPIDEA=m
CONFIG_USB_CHIPIDEA_HOST=y
CONFIG_USB_CHIPIDEA_DEBUG=y

The reason is chipidea host uses symbol from ehci, but ehci
is not compiled. Let the chipidea host depend on
ehci even it is built as module.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig
index eb2aa2e5a842..d1bd8ef1f9c1 100644
--- a/drivers/usb/chipidea/Kconfig
+++ b/drivers/usb/chipidea/Kconfig
@@ -12,7 +12,7 @@ if USB_CHIPIDEA
 
 config USB_CHIPIDEA_UDC
         bool "ChipIdea device controller"
-        depends on USB_GADGET=y || USB_CHIPIDEA=m
+        depends on USB_GADGET=y || (USB_CHIPIDEA=m && USB_GADGET=m)
         help
           Say Y here to enable device controller functionality of the
           ChipIdea driver.
@@ -20,7 +20,7 @@ config USB_CHIPIDEA_UDC
 config USB_CHIPIDEA_HOST
         bool "ChipIdea host controller"
         depends on USB=y
-        depends on USB_EHCI_HCD=y || USB_CHIPIDEA=m
+        depends on USB_EHCI_HCD=y || (USB_CHIPIDEA=m && USB_EHCI_HCD=m)
         select USB_EHCI_ROOT_HUB_TT
         help
           Say Y here to enable host controller functionality of the