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Commit 19d82910 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
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dmaengine: dw: provide probe(), remove() stubs for users 



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: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: default avatarBryan O'Donoghue <pure.logic@nexus-software.ie>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5fb23e35

include/linux/dma/dw.h

+5 −0
Original line number Diff line number Diff line
@@ -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;