Code Review / kvmfornfv.git / blobdiff
? search:
summary | shortlog | log | commit | commitdiff | review | tree
raw | inline | side by side
Upgrade to 4.4.50-rt62
[kvmfornfv.git] / kernel / drivers / dma / hsu / hsu.c
diff --git a/kernel/drivers/dma/hsu/hsu.c b/kernel/drivers/dma/hsu/hsu.c
index 823ad72..efc02b9 100644 (file)
--- a/kernel/drivers/dma/hsu/hsu.c
+++ b/kernel/drivers/dma/hsu/hsu.c
@@ -135,7 +135,7 @@ static u32 hsu_dma_chan_get_sr(struct hsu_dma_chan *hsuc)
        sr = hsu_chan_readl(hsuc, HSU_CH_SR);
        spin_unlock_irqrestore(&hsuc->vchan.lock, flags);
 
-       return sr;
+       return sr & ~(HSU_CH_SR_DESCE_ANY | HSU_CH_SR_CDESC_ANY);
 }
 
 irqreturn_t hsu_dma_irq(struct hsu_dma_chip *chip, unsigned short nr)