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    Subject[PATCH 09/16] usb: musb: provide empty dma_controller_create() in PIO mode
    Date
    Add a dma_controller_create() returning NULL so a few ifdefs can
    dropped.

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
    ---
    drivers/usb/musb/musb_dma.h | 11 +++++++++++
    1 file changed, 11 insertions(+)

    diff --git a/drivers/usb/musb/musb_dma.h b/drivers/usb/musb/musb_dma.h
    index 3603711..c8e67fd 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__ */
    --
    1.8.3.2


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