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    Subject[PATCH v5 02/11] dmaengine: dw: provide probe(), remove() stubs for users
    Date
    Some users consider DMA optional, thus when driver is not compiled we shouldn't
    prevent compilation of the users. Add stubs for dw_dma_probe() and
    dw_dma_remove().

    Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
    ---
    include/linux/dma/dw.h | 5 +++++
    1 file changed, 5 insertions(+)

    diff --git a/include/linux/dma/dw.h b/include/linux/dma/dw.h
    index f2e538a..ccfd0c3 100644
    --- a/include/linux/dma/dw.h
    +++ b/include/linux/dma/dw.h
    @@ -40,8 +40,13 @@ struct dw_dma_chip {
    };

    /* Export to the platform drivers */
    +#if IS_ENABLED(CONFIG_DW_DMAC_CORE)
    int dw_dma_probe(struct dw_dma_chip *chip);
    int dw_dma_remove(struct dw_dma_chip *chip);
    +#else
    +static inline int dw_dma_probe(struct dw_dma_chip *chip) { return -ENODEV; }
    +static inline int dw_dma_remove(struct dw_dma_chip *chip) { return 0; }
    +#endif /* CONFIG_DW_DMAC_CORE */

    /* DMA API extensions */
    struct dw_desc;
    --
    2.8.1
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