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Commit bfde98bd authored by Maxime Ripard's avatar Maxime Ripard Committed by Vinod Koul
Browse files

dmaengine: Remove net_dma_find_channel 



Since commit 7bced397 ("net_dma: simple removal") removed the net_dma
support entirely, net_dma_find_channel has no users left. Remove the function
entirely.

Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 68c062ea

drivers/dma/dmaengine.c

+0 −14
Original line number Diff line number Diff line
@@ -355,20 +355,6 @@ struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type) 
}

EXPORT_SYMBOL(dma_find_channel);



/*

 * net_dma_find_channel - find a channel for net_dma

 * net_dma has alignment requirements

 */

struct dma_chan *net_dma_find_channel(void)

{

	struct dma_chan *chan = dma_find_channel(DMA_MEMCPY);

	if (chan && !is_dma_copy_aligned(chan->device, 1, 1, 1))

		return NULL;



	return chan;

}

EXPORT_SYMBOL(net_dma_find_channel);



/**

 * dma_issue_pending_all - flush all pending operations across all channels

 */

include/linux/dmaengine.h

+0 −1
Original line number Diff line number Diff line
@@ -1090,7 +1090,6 @@ void dma_async_device_unregister(struct dma_device *device); 
void dma_run_dependencies(struct dma_async_tx_descriptor *tx);

struct dma_chan *dma_get_slave_channel(struct dma_chan *chan);

struct dma_chan *dma_get_any_slave_channel(struct dma_device *device);

struct dma_chan *net_dma_find_channel(void);

#define dma_request_channel(mask, x, y) __dma_request_channel(&(mask), x, y)

#define dma_request_slave_channel_compat(mask, x, y, dev, name) \

	__dma_request_slave_channel_compat(&(mask), x, y, dev, name)