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dmaengine: zx: remove redundant irqsave in hardIRQ

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Running in hardIRQ context, disabling IRQ is redundant.

Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Link: https://lore.kernel.org/r/20200912094036.32112-1-song.bao.hua@hisilicon.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Barry Song 2020-09-12 21:40:36 +12:00 committed by Vinod Koul
parent e3a52158a6
commit 55f8b2543a
1 changed files with 2 additions and 4 deletions
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6
drivers/dma/zx_dma.c
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@ -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);
}
}