Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCH v7 02/11] dmaengine: dw: provide probe(), remove() stubs for users | Date | Fri, 17 Jun 2016 15:41:02 +0300 |
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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().
Acked-by: Vinod Koul <vinod.koul@intel.com> 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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