[PATCH] dmaengine: zx-dma: replace spin_lock_irqsave with spin_lock in ISR

[jun qian]

As you are already in ISR, it is unnecessary to call spin_lock_irqsave.

Signed-off-by: jun qian <hangdia...@163.com>
Cc: Barry song <21cn...@gmail.com>
---
 drivers/dma/zx_dma.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/zx_dma.c b/drivers/dma/zx_dma.c
index 2571bc7693df..111ab2db83b1 100644
--- a/drivers/dma/zx_dma.c
+++ b/drivers/dma/zx_dma.c
@@ -288,9 +288,8 @@ 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 {
@@ -298,7 +297,7 @@ 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);
                }
        }
-- 
2.17.1