Commit f645f85a authored by Tudor Ambarus's avatar Tudor Ambarus Committed by Vinod Koul

dmaengine: at_hdmac: Do not call the complete callback on device_terminate_all

The method was wrong because it violated the dmaengine API. For aborted
transfers the complete callback should not be called. Fix the behavior and
do not call the complete callback on device_terminate_all.

Fixes: 808347f6 ("dmaengine: at_hdmac: add DMA slave transfers")
Reported-by: default avatarPeter Rosin <peda@axentia.se>
Signed-off-by: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/lkml/13c6c9a2-6db5-c3bf-349b-4c127ad3496a@axentia.se/Acked-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20221025090306.297886-1-tudor.ambarus@microchip.com
Link: https://lore.kernel.org/r/20221025090306.297886-6-tudor.ambarus@microchip.comSigned-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent fcd37565
......@@ -1437,11 +1437,8 @@ static int atc_terminate_all(struct dma_chan *chan)
struct at_dma_chan *atchan = to_at_dma_chan(chan);
struct at_dma *atdma = to_at_dma(chan->device);
int chan_id = atchan->chan_common.chan_id;
struct at_desc *desc, *_desc;
unsigned long flags;
LIST_HEAD(list);
dev_vdbg(chan2dev(chan), "%s\n", __func__);
/*
......@@ -1460,15 +1457,11 @@ static int atc_terminate_all(struct dma_chan *chan)
cpu_relax();
/* active_list entries will end up before queued entries */
list_splice_init(&atchan->queue, &list);
list_splice_init(&atchan->active_list, &list);
list_splice_tail_init(&atchan->queue, &atchan->free_list);
list_splice_tail_init(&atchan->active_list, &atchan->free_list);
spin_unlock_irqrestore(&atchan->lock, flags);
/* Flush all pending and queued descriptors */
list_for_each_entry_safe(desc, _desc, &list, desc_node)
atc_chain_complete(atchan, desc);
clear_bit(ATC_IS_PAUSED, &atchan->status);
/* if channel dedicated to cyclic operations, free it */
clear_bit(ATC_IS_CYCLIC, &atchan->status);
......
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