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path: root/drivers/dma/qcom/hidma_ll.c
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Diffstat (limited to 'drivers/dma/qcom/hidma_ll.c')
-rw-r--r--drivers/dma/qcom/hidma_ll.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/dma/qcom/hidma_ll.c b/drivers/dma/qcom/hidma_ll.c
index 4999e266b2de..7c6e2ff212a2 100644
--- a/drivers/dma/qcom/hidma_ll.c
+++ b/drivers/dma/qcom/hidma_ll.c
@@ -393,6 +393,8 @@ static int hidma_ll_reset(struct hidma_lldev *lldev)
*/
static void hidma_ll_int_handler_internal(struct hidma_lldev *lldev, int cause)
{
+ unsigned long irqflags;
+
if (cause & HIDMA_ERR_INT_MASK) {
dev_err(lldev->dev, "error 0x%x, disabling...\n",
cause);
@@ -410,6 +412,10 @@ static void hidma_ll_int_handler_internal(struct hidma_lldev *lldev, int cause)
return;
}
+ spin_lock_irqsave(&lldev->lock, irqflags);
+ writel_relaxed(cause, lldev->evca + HIDMA_EVCA_IRQ_CLR_REG);
+ spin_unlock_irqrestore(&lldev->lock, irqflags);
+
/*
* Fine tuned for this HW...
*
@@ -421,9 +427,6 @@ static void hidma_ll_int_handler_internal(struct hidma_lldev *lldev, int cause)
* Try to consume as many EVREs as possible.
*/
hidma_handle_tre_completion(lldev);
-
- /* We consumed TREs or there are pending TREs or EVREs. */
- writel_relaxed(cause, lldev->evca + HIDMA_EVCA_IRQ_CLR_REG);
}
irqreturn_t hidma_ll_inthandler(int chirq, void *arg)