summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/usb/musb/Kconfig57
-rw-r--r--drivers/usb/musb/Makefile26
2 files changed, 38 insertions, 45 deletions
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 07a0346..b1c8a83 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -65,46 +65,57 @@ config USB_MUSB_UX500
endchoice
-config MUSB_PIO_ONLY
- bool 'Disable DMA (always use PIO)'
- depends on USB_MUSB_HDRC
- default USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X
+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 MUSB_PIO_ONLY if USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X
help
- All data is copied between memory and FIFO by the CPU.
- DMA controllers are ignored.
-
- Do not select 'n' here unless DMA support for your SOC or board
- is unavailable (or unstable). When DMA is enabled at compile time,
- you can still disable it at run time using the "use_dma=n" module
- parameter.
+ 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
- depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY
- default USB_MUSB_UX500
+ bool 'ST Ericsson U8500 and U5500'
+ depends on USB_MUSB_HDRC
+ depends on USB_MUSB_UX500
help
Enable DMA transfers on UX500 platforms.
config USB_INVENTRA_DMA
- bool
- depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY
- default USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
+ bool 'Inventra'
+ depends on USB_MUSB_HDRC
+ depends on USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
help
Enable DMA transfers using Mentor's engine.
config USB_TI_CPPI_DMA
- bool
- depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY
- default USB_MUSB_DAVINCI
+ bool 'TI CPPI (Davinci)'
+ depends on USB_MUSB_HDRC
+ depends on USB_MUSB_DAVINCI
help
Enable DMA transfers when TI CPPI DMA is available.
config USB_TUSB_OMAP_DMA
- bool
- depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY
+ bool 'TUSB 6010'
+ depends on USB_MUSB_HDRC
depends on USB_MUSB_TUSB6010
depends on ARCH_OMAP
- default y
help
Enable DMA transfers on TUSB 6010 when OMAP DMA is available.
+config MUSB_PIO_ONLY
+ bool 'Disable DMA (always use PIO)'
+ depends on USB_MUSB_HDRC
+ help
+ All data is copied between memory and FIFO by the CPU.
+ DMA controllers are ignored.
+
+ Do not choose this unless DMA support for your SOC or board
+ is unavailable (or unstable). When DMA is enabled at compile time,
+ you can still disable it at run time using the "use_dma=n" module
+ parameter.
+
+endchoice
diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile
index d8fd9d0..88bfb9d 100644
--- a/drivers/usb/musb/Makefile
+++ b/drivers/usb/musb/Makefile
@@ -24,25 +24,7 @@ obj-$(CONFIG_USB_MUSB_UX500) += ux500.o
# PIO only, or DMA (several potential schemes).
# though PIO is always there to back up DMA, and for ep0
-ifneq ($(CONFIG_MUSB_PIO_ONLY),y)
-
- ifeq ($(CONFIG_USB_INVENTRA_DMA),y)
- musb_hdrc-y += musbhsdma.o
-
- else
- ifeq ($(CONFIG_USB_TI_CPPI_DMA),y)
- musb_hdrc-y += cppi_dma.o
-
- else
- ifeq ($(CONFIG_USB_TUSB_OMAP_DMA),y)
- musb_hdrc-y += tusb6010_omap.o
-
- else
- ifeq ($(CONFIG_USB_UX500_DMA),y)
- musb_hdrc-y += ux500_dma.o
-
- endif
- endif
- endif
- endif
-endif
+musb_hdrc-$(CONFIG_USB_INVENTRA_DMA) += musbhsdma.o
+musb_hdrc-$(CONFIG_USB_TI_CPPI_DMA) += cppi_dma.o
+musb_hdrc-$(CONFIG_USB_TUSB_OMAP_DMA) += tusb6010_omap.o
+musb_hdrc-$(CONFIG_USB_UX500_DMA) += ux500_dma.o
OpenPOWER on IntegriCloud