Messages in this thread Patch in this message | | | From | Tian Tao <> | Subject | [PATCH] thermal: replace spin_lock_irqsave by spin_lock in hard IRQ | Date | Wed, 21 Oct 2020 11:05:30 +0800 |
| |
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/thermal/rcar_thermal.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index 5c2a13b..6ae757d 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -409,16 +409,15 @@ static irqreturn_t rcar_thermal_irq(int irq, void *data) { struct rcar_thermal_common *common = data; struct rcar_thermal_priv *priv; - unsigned long flags; u32 status, mask; - spin_lock_irqsave(&common->lock, flags); + spin_lock(&common->lock); mask = rcar_thermal_common_read(common, INTMSK); status = rcar_thermal_common_read(common, STR); rcar_thermal_common_write(common, STR, 0x000F0F0F & mask); - spin_unlock_irqrestore(&common->lock, flags); + spin_unlock(&common->lock); status = status & ~mask; -- 2.7.4
| |