[PATCH] dmaengine: zx: remove redundant irqsave in hardIRQ

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Running in hardIRQ context, disabling IRQ is redundant.

Cc: Jun Nie <jun.nie@xxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Barry Song <song.bao.hua@xxxxxxxxxxxxx>
---
 drivers/dma/zx_dma.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/zx_dma.c b/drivers/dma/zx_dma.c
index 5fe2e8b9a7b8..b057582b2fac 100644
--- a/drivers/dma/zx_dma.c
+++ b/drivers/dma/zx_dma.c
@@ -285,9 +285,7 @@ static irqreturn_t zx_dma_int_handler(int irq, void *dev_id)
 		p = &d->phy[i];
 		c = p->vchan;
 		if (c) {
-			unsigned long flags;
-
-			spin_lock_irqsave(&c->vc.lock, flags);
+			spin_lock(&c->vc.lock);
 			if (c->cyclic) {
 				vchan_cyclic_callback(&p->ds_run->vd);
 			} else {
@@ -295,7 +293,7 @@ static irqreturn_t zx_dma_int_handler(int irq, void *dev_id)
 				p->ds_done = p->ds_run;
 				task = 1;
 			}
-			spin_unlock_irqrestore(&c->vc.lock, flags);
+			spin_unlock(&c->vc.lock);
 			irq_chan |= BIT(i);
 		}
 	}
-- 
2.25.1





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