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Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma

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Pull dmaengine fixes from Vinod Koul:
 "We have two small fixes:

   - pl330 termination hang fix by Krzysztof

   - hsu memory leak fix by Peter"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: hsu: Fix memory leak when stopping a running transfer
  dmaengine: pl330: Fix hang on dmaengine_terminate_all on certain boards
This commit is contained in:
Linus Torvalds 2015-06-04 10:19:34 -07:00
commit ff25ea8f4e
2 changed files with 7 additions and 1 deletions
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5
drivers/dma/hsu/hsu.c
View File

@ -384,7 +384,10 @@ static int hsu_dma_terminate_all(struct dma_chan *chan)
spin_lock_irqsave(&hsuc->vchan.lock, flags);
hsu_dma_stop_channel(hsuc);
hsuc->desc = NULL;
if (hsuc->desc) {
hsu_dma_desc_free(&hsuc->desc->vdesc);
hsuc->desc = NULL;
}
vchan_get_all_descriptors(&hsuc->vchan, &head);
spin_unlock_irqrestore(&hsuc->vchan.lock, flags);

3
drivers/dma/pl330.c
View File

@ -2127,6 +2127,7 @@ static int pl330_terminate_all(struct dma_chan *chan)
struct pl330_dmac *pl330 = pch->dmac;
LIST_HEAD(list);
pm_runtime_get_sync(pl330->ddma.dev);
spin_lock_irqsave(&pch->lock, flags);
spin_lock(&pl330->lock);
_stop(pch->thread);
@ -2151,6 +2152,8 @@ static int pl330_terminate_all(struct dma_chan *chan)
list_splice_tail_init(&pch->work_list, &pl330->desc_pool);
list_splice_tail_init(&pch->completed_list, &pl330->desc_pool);
spin_unlock_irqrestore(&pch->lock, flags);
pm_runtime_mark_last_busy(pl330->ddma.dev);
pm_runtime_put_autosuspend(pl330->ddma.dev);
return 0;
}