Clear the BAM IRQ bit only if there is a BAM interrupt.
Signed-off-by: Pramod Gurav <[email protected]>
---
drivers/dma/qcom/bam_dma.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index d5e0a9c..0880345 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -807,7 +807,8 @@ static irqreturn_t bam_dma_irq(int irq, void *data)
/* don't allow reorder of the various accesses to the BAM registers */
mb();
- writel_relaxed(clr_mask, bam_addr(bdev, 0, BAM_IRQ_CLR));
+ if (srcs & BAM_IRQ)
+ writel_relaxed(clr_mask, bam_addr(bdev, 0, BAM_IRQ_CLR));
return IRQ_HANDLED;
}
--
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