usb: musb: tusb-dma can't be built-in if tusb is not

A configuration with CONFIG_USB_MUSB_HDRC=y, CONFIG_USB_TUSB_OMAP_DMA=y
and CONFIG_USB_MUSB_TUSB6010=m causes a link failure because of the
dependency on the tusb_get_revision symbol:

(.text+0x154ce8): undefined reference to `tusb_get_revision'

This patch ensures that either MUSB_HDRC and MUSB_TUSB6010 are
both modules or both built-in, which are the valid configurations.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 6b2a4b8..e0fba75 100644 (file)
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -145,7 +145,7 @@ config USB_TI_CPPI41_DMA
 
 config USB_TUSB_OMAP_DMA
        bool 'TUSB 6010'
-       depends on USB_MUSB_TUSB6010
+       depends on USB_MUSB_TUSB6010 = USB_MUSB_HDRC # both built-in or both modules
        depends on ARCH_OMAP
        help
          Enable DMA transfers on TUSB 6010 when OMAP DMA is available.