It is redundant to do irqsave and irqrestore in hardIRQ context.
Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index b17ac6c..b2fb5c3 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1555,15 +1555,14 @@ static irqreturn_t dsi_host_irq(int irq, void *ptr)
{
struct msm_dsi_host *msm_host = ptr;
u32 isr;
- unsigned long flags;
if (!msm_host->ctrl_base)
return IRQ_HANDLED;
- spin_lock_irqsave(&msm_host->intr_lock, flags);
+ spin_lock(&msm_host->intr_lock);
isr = dsi_read(msm_host, REG_DSI_INTR_CTRL);
dsi_write(msm_host, REG_DSI_INTR_CTRL, isr);
- spin_unlock_irqrestore(&msm_host->intr_lock, flags);
+ spin_unlock(&msm_host->intr_lock);
DBG("isr=0x%x, id=%d", isr, msm_host->id);
--
2.7.4
