As you are already in ISR, it is unnecessary to call spin_lock_irqsave.
Signed-off-by: jun qian <hangdianqj@xxxxxxx>
---
drivers/i2c/busses/i2c-tegra.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 60c8561fbe65..59f31d3a508f 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -608,11 +608,10 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id)
u32 status;
const u32 status_err = I2C_INT_NO_ACK | I2C_INT_ARBITRATION_LOST;
struct tegra_i2c_dev *i2c_dev = dev_id;
- unsigned long flags;
status = i2c_readl(i2c_dev, I2C_INT_STATUS);
- spin_lock_irqsave(&i2c_dev->xfer_lock, flags);
+ spin_lock(&i2c_dev->xfer_lock);
if (status == 0) {
dev_warn(i2c_dev->dev, "irq status 0 %08x %08x %08x\n",
i2c_readl(i2c_dev, I2C_PACKET_TRANSFER_STATUS),
@@ -670,7 +669,7 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id)
complete(&i2c_dev->msg_complete);
done:
- spin_unlock_irqrestore(&i2c_dev->xfer_lock, flags);
+ spin_unlock(&i2c_dev->xfer_lock);
return IRQ_HANDLED;
}
--
2.17.1
