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authorNicolas Ferre <nicolas.ferre@atmel.com>2013-06-07 19:10:53 +0400
committerVinod Koul <vinod.koul@intel.com>2013-07-05 10:10:55 +0400
commit538eea6c7c2387b11fa5ba919743cd36e3a4d42f (patch)
tree820639c3a9c0e80a1ca52e6834b4d4559dfcdc12 /drivers/dma/at_hdmac.c
parent62971b29825adb06908bad81e7679d1f7904b24d (diff)
downloadlinux-538eea6c7c2387b11fa5ba919743cd36e3a4d42f.tar.xz
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>
Diffstat (limited to 'drivers/dma/at_hdmac.c')
-rw-r--r--drivers/dma/at_hdmac.c31
1 files changed, 0 insertions, 31 deletions
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
@@ -417,37 +417,6 @@ static void atc_complete_all(struct at_dma_chan *atchan)
}
/**
- * 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
*