diff options
Diffstat (limited to 'drivers/usb/musb/Kconfig')
| -rw-r--r-- | drivers/usb/musb/Kconfig | 57 |
1 files changed, 34 insertions, 23 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 |
