diff options
| author | Barry Song <song.bao.hua@hisilicon.com> | 2020-09-12 12:40:36 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-09-18 10:00:50 +0300 |
| commit | 55f8b2543a36734377c4000bde6198b1dcb42d4b (patch) | |
| tree | 9da6258622557bfe26e2e1c6e8c00becc22a5bd7 /drivers/dma/zx_dma.c | |
| parent | e3a52158a68220d28e1bcf4797c3762d06813c66 (diff) | |
| download | linux-55f8b2543a36734377c4000bde6198b1dcb42d4b.tar.xz | |
dmaengine: zx: remove redundant irqsave in hardIRQ
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>
Diffstat (limited to 'drivers/dma/zx_dma.c')
| -rw-r--r-- | drivers/dma/zx_dma.c | 6 |
1 files 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); } } |