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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: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
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1 changed files with 0 additions and 31 deletions
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@ -416,37 +416,6 @@ static void atc_complete_all(struct at_dma_chan *atchan)
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atc_chain_complete(atchan, desc);
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}
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/**
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* atc_cleanup_descriptors - cleanup up finished descriptors in active_list
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* @atchan: channel to be cleaned up
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*
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* Called with atchan->lock held and bh disabled
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*/
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static void atc_cleanup_descriptors(struct at_dma_chan *atchan)
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{
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struct at_desc *desc, *_desc;
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struct at_desc *child;
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dev_vdbg(chan2dev(&atchan->chan_common), "cleanup descriptors\n");
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list_for_each_entry_safe(desc, _desc, &atchan->active_list, desc_node) {
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if (!(desc->lli.ctrla & ATC_DONE))
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/* This one is currently in progress */
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return;
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list_for_each_entry(child, &desc->tx_list, desc_node)
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if (!(child->lli.ctrla & ATC_DONE))
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/* Currently in progress */
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return;
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/*
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* No descriptors so far seem to be in progress, i.e.
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* this chain must be done.
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*/
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atc_chain_complete(atchan, desc);
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}
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}
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/**
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* atc_advance_work - at the end of a transaction, move forward
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* @atchan: channel where the transaction ended
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