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Commit 9646b798 authored by Linus Walleij's avatar Linus Walleij Committed by Dan Williams
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DMAENGINE: define a dummy filter function for ste_dma40 



All platform data has to be made conditional on CONFIG_STEDMA40
or we can provide a simple dummy filter functions as to avoid
cluttering the code with other #ifdef:s.

Signed-off-by: default avatarLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 661385f9

arch/arm/plat-nomadik/include/plat/ste_dma40.h

+19 −0
Original line number Diff line number Diff line
@@ -162,6 +162,8 @@ struct stedma40_platform_data { 
	int				 disabled_channels[STEDMA40_MAX_PHYS];

};



#ifdef CONFIG_STE_DMA40



/**

 * stedma40_filter() - Provides stedma40_chan_cfg to the

 * ste_dma40 dma driver via the dmaengine framework.
@@ -223,4 +225,21 @@ dma_async_tx_descriptor *stedma40_slave_mem(struct dma_chan *chan, 
						  direction, flags);

}



#else

static inline bool stedma40_filter(struct dma_chan *chan, void *data)

{

	return false;

}



static inline struct

dma_async_tx_descriptor *stedma40_slave_mem(struct dma_chan *chan,

					    dma_addr_t addr,

					    unsigned int size,

					    enum dma_data_direction direction,

					    unsigned long flags)

{

	return NULL;

}

#endif



#endif