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Commit 538eea6c authored by Nicolas Ferre's avatar Nicolas Ferre Committed by Vinod Koul
Browse files

dmaengine: at_hdmac: remove unsuded atc_cleanup_descriptors() 



Since patch 7c407d3e54dcc0c79119553c8d5ef176c1d5bc3a (DMA: AT91:
Get residual bytes in dma buffer), the function
atc_cleanup_descriptors() is not used anymore. We remove it to prevent
warnings.

Reported-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 62971b29

drivers/dma/at_hdmac.c

+0 −31
Original line number Diff line number Diff line
@@ -416,37 +416,6 @@ static void atc_complete_all(struct at_dma_chan *atchan) 
		atc_chain_complete(atchan, desc);

}



/**

 * atc_cleanup_descriptors - cleanup up finished descriptors in active_list

 * @atchan: channel to be cleaned up

 *

 * Called with atchan->lock held and bh disabled

 */

static void atc_cleanup_descriptors(struct at_dma_chan *atchan)

{

	struct at_desc	*desc, *_desc;

	struct at_desc	*child;



	dev_vdbg(chan2dev(&atchan->chan_common), "cleanup descriptors\n");



	list_for_each_entry_safe(desc, _desc, &atchan->active_list, desc_node) {

		if (!(desc->lli.ctrla & ATC_DONE))

			/* This one is currently in progress */

			return;



		list_for_each_entry(child, &desc->tx_list, desc_node)

			if (!(child->lli.ctrla & ATC_DONE))

				/* Currently in progress */

				return;



		/*

		 * No descriptors so far seem to be in progress, i.e.

		 * this chain must be done.

		 */

		atc_chain_complete(atchan, desc);

	}

}



/**

 * atc_advance_work - at the end of a transaction, move forward

 * @atchan: channel where the transaction ended