diff --git a/drivers/usb/musb/musb_dma.h b/drivers/usb/musb/musb_dma.h index 36037114ad4a..c8e67fde2156 100644 --- a/drivers/usb/musb/musb_dma.h +++ b/drivers/usb/musb/musb_dma.h @@ -175,9 +175,20 @@ struct dma_controller { /* called after channel_program(), may indicate a fault */ extern void musb_dma_completion(struct musb *musb, u8 epnum, u8 transmit); +#ifdef CONFIG_MUSB_PIO_ONLY +static inline struct dma_controller *dma_controller_create(struct musb *m, + void __iomem *io) +{ + return NULL; +} + +static inline void dma_controller_destroy(struct dma_controller *d) { } + +#else extern struct dma_controller *dma_controller_create(struct musb *, void __iomem *); extern void dma_controller_destroy(struct dma_controller *); +#endif #endif /* __MUSB_DMA_H__ */