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path: root/drivers/dma/pl330.c
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Diffstat (limited to 'drivers/dma/pl330.c')
-rw-r--r--drivers/dma/pl330.c2
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: