From: Nicolas Ferre Date: Fri, 7 Jun 2013 15:10:53 +0000 (+0200) Subject: dmaengine: at_hdmac: remove unsuded atc_cleanup_descriptors() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=538eea6c7c2387b11fa5ba919743cd36e3a4d42f;p=linux-beck.git 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 Signed-off-by: Nicolas Ferre Acked-by: Arnd Bergmann --- diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index b7050a46bd87..1ee3ed187f4d 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -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