dmaengine: idma64: replace spin_lock_irqsave with spin_lock

idma64_chan_irq() is invoked in hardirq handle function, it is unnecessary
to call spin_lock_irqsave.

Signed-off-by: Zhaoxiong Yuan <yuanzhx326@gmail.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 1fbf9cb9b74297c9daa6005c520fa54f90c8dc45..5b9c1566ad739415f9838cd31f799e19e214fd8c 100644 (file)
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -142,9 +142,8 @@ static void idma64_chan_irq(struct idma64 *idma64, unsigned short c,
 {
        struct idma64_chan *idma64c = &idma64->chan[c];
        struct idma64_desc *desc;
-       unsigned long flags;
 
-       spin_lock_irqsave(&idma64c->vchan.lock, flags);
+       spin_lock(&idma64c->vchan.lock);
        desc = idma64c->desc;
        if (desc) {
                if (status_err & (1 << c)) {
@@ -161,7 +160,7 @@ static void idma64_chan_irq(struct idma64 *idma64, unsigned short c,
                if (idma64c->desc == NULL || desc->status == DMA_ERROR)
                        idma64_stop_transfer(idma64c);
        }
-       spin_unlock_irqrestore(&idma64c->vchan.lock, flags);
+       spin_unlock(&idma64c->vchan.lock);
 }
 
 static irqreturn_t idma64_irq(int irq, void *dev)