usb: musb: support each dma controller driver built as module

[sitara-epos/sitara-epos-kernel.git] / drivers / usb / musb / Kconfig

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 7724c6b4870fe06c211a903310975e26dc730e72..27cd35c92afffdd37aca6ea20da1a08d51e793d6 100644 (file)
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -93,36 +93,40 @@ config USB_MUSB_UX500
 
 choice
        prompt 'MUSB DMA mode'
-       default USB_UX500_DMA if USB_MUSB_UX500
-       default USB_INVENTRA_DMA if USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
-       default USB_TI_CPPI_DMA if USB_MUSB_DAVINCI
-       default USB_TUSB_OMAP_DMA if USB_MUSB_TUSB6010
+       default USB_UX500_DMA_HW if USB_MUSB_UX500
+       default USB_INVENTRA_DMA_HW if USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
+       default USB_TI_CPPI_DMA_HW if USB_MUSB_DAVINCI
+       default USB_TUSB_OMAP_DMA_HW if USB_MUSB_TUSB6010
        default MUSB_PIO_ONLY if USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X
        help
          Unfortunately, only one option can be enabled here. Ideally one
          should be able to build all these drivers into one kernel to
          allow using DMA on multiplatform kernels.
 
-config USB_UX500_DMA
-       bool 'ST Ericsson U8500 and U5500'
+config USB_UX500_DMA_HW
+       tristate 'ST Ericsson U8500 and U5500'
+       select USB_UX500_DMA
        depends on USB_MUSB_UX500
        help
          Enable DMA transfers on UX500 platforms.
 
-config USB_INVENTRA_DMA
-       bool 'Inventra'
+config USB_INVENTRA_DMA_HW
+       tristate 'Inventra'
+       select USB_INVENTRA_DMA
        depends on USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
        help
          Enable DMA transfers using Mentor's engine.
 
-config USB_TI_CPPI_DMA
-       bool 'TI CPPI (Davinci)'
+config USB_TI_CPPI_DMA_HW
+       tristate 'TI CPPI (Davinci)'
+       select USB_TI_CPPI_DMA
        depends on USB_MUSB_DAVINCI
        help
          Enable DMA transfers when TI CPPI DMA is available.
 
-config USB_TUSB_OMAP_DMA
-       bool 'TUSB 6010'
+config USB_TUSB_OMAP_DMA_HW
+       tristate 'TUSB 6010'
+       select USB_TUSB_OMAP_DMA
        depends on USB_MUSB_TUSB6010
        depends on ARCH_OMAP
        help
@@ -141,4 +145,20 @@ config MUSB_PIO_ONLY
 
 endchoice
 
+config USB_INVENTRA_DMA
+       bool
+       default n
+
+config USB_TI_CPPI_DMA
+       bool
+       default n
+
+config USB_TUSB_OMAP_DMA
+       bool
+       default n
+
+config USB_UX500_DMA
+       bool
+       default n
+
 endif # USB_MUSB_HDRC