Commit 0d5484b1 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Vinod Koul
Browse files

dmaengine: Move dma_get_slave_caps() implementation to dmaengine.c 



The function is too big to be a static inline.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 816070ed

drivers/dma/dmaengine.c

+33 −0
Original line number Diff line number Diff line
@@ -479,6 +479,39 @@ static void dma_channel_rebalance(void) 
		}

}



int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps)

{

	struct dma_device *device;



	if (!chan || !caps)

		return -EINVAL;



	device = chan->device;



	/* check if the channel supports slave transactions */

	if (!test_bit(DMA_SLAVE, device->cap_mask.bits))

		return -ENXIO;



	/*

	 * Check whether it reports it uses the generic slave

	 * capabilities, if not, that means it doesn't support any

	 * kind of slave capabilities reporting.

	 */

	if (!device->directions)

		return -ENXIO;



	caps->src_addr_widths = device->src_addr_widths;

	caps->dst_addr_widths = device->dst_addr_widths;

	caps->directions = device->directions;

	caps->residue_granularity = device->residue_granularity;



	caps->cmd_pause = !!device->device_pause;

	caps->cmd_terminate = !!device->device_terminate_all;



	return 0;

}

EXPORT_SYMBOL_GPL(dma_get_slave_caps);



static struct dma_chan *private_candidate(const dma_cap_mask_t *mask,

					  struct dma_device *dev,

					  dma_filter_fn fn, void *fn_param)

include/linux/dmaengine.h

+1 −31
Original line number Diff line number Diff line
@@ -758,37 +758,7 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_sg( 
			src_sg, src_nents, flags);

}



static inline int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps)

{

	struct dma_device *device;



	if (!chan || !caps)

		return -EINVAL;



	device = chan->device;



	/* check if the channel supports slave transactions */

	if (!test_bit(DMA_SLAVE, device->cap_mask.bits))

		return -ENXIO;



	/*

	 * Check whether it reports it uses the generic slave

	 * capabilities, if not, that means it doesn't support any

	 * kind of slave capabilities reporting.

	 */

	if (!device->directions)

		return -ENXIO;



	caps->src_addr_widths = device->src_addr_widths;

	caps->dst_addr_widths = device->dst_addr_widths;

	caps->directions = device->directions;

	caps->residue_granularity = device->residue_granularity;



	caps->cmd_pause = !!device->device_pause;

	caps->cmd_terminate = !!device->device_terminate_all;



	return 0;

}

int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps);



static inline int dmaengine_terminate_all(struct dma_chan *chan)

{