The code has been in a irq-disabled context since it is hard IRQ. There is no necessity to do it again.
Signed-off-by: Tian Tao tiantao6@hisilicon.com --- 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 ab281cb..8ba204d 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);