diff options
| -rw-r--r-- | drivers/dma/pl330.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 31e9c49e5604..c4d61528072f 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2287,6 +2287,7 @@ pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie, goto out; spin_lock_irqsave(&pch->lock, flags); + spin_lock(&pch->thread->dmac->lock); if (pch->thread->req_running != -1) running = pch->thread->req[pch->thread->req_running].desc; @@ -2329,6 +2330,7 @@ pl330_tx_status(struct dma_chan *chan, dma_cookie_t cookie, if (desc->last) residual = 0; } + spin_unlock(&pch->thread->dmac->lock); spin_unlock_irqrestore(&pch->lock, flags); out: |