diff mbox series

drm/msm/dsi: Replace spin_lock_irqsave by spin_lock in hard IRQ

Message ID 1601434280-22229-1-git-send-email-tiantao6@hisilicon.com (mailing list archive)
State New, archived
Headers show
Series drm/msm/dsi: Replace spin_lock_irqsave by spin_lock in hard IRQ | expand

Commit Message

tiantao (H) Sept. 30, 2020, 2:51 a.m. UTC 
It is redundant to do irqsave and irqrestore in hardIRQ context.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
---
 drivers/gpu/drm/msm/dsi/dsi_host.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

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);