i2c: tegra: replace spin_lock_irqsave with spin_lock in ISR (3782cc37) · Commits · 戴 / test

As you are already in ISR, it is unnecessary to call spin_lock_irqsave. Signed-off-by:

drivers/i2c/busses/i2c-tegra.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -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 @@ err:

		complete(&i2c_dev->msg_complete);
		done:
		spin_unlock_irqrestore(&i2c_dev->xfer_lock, flags);
		spin_unlock(&i2c_dev->xfer_lock);
		return IRQ_HANDLED;
		}