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dmaengine: idma64: replace spin_lock_irqsave with spin_lock

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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>
This commit is contained in:
Zhaoxiong Yuan 2018-09-08 06:02:10 +11:00 committed by Vinod Koul
parent 5b394b2ddf
commit 7645d26f3b
1 changed files with 2 additions and 3 deletions
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5
drivers/dma/idma64.c
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@ -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)