diff --git a/drivers/i2c/busses/i2c-parport-light.c b/drivers/i2c/busses/i2c-parport-light.c
index 1bcdd10..e6e22b8 100644
--- a/drivers/i2c/busses/i2c-parport-light.c
+++ b/drivers/i2c/busses/i2c-parport-light.c
@@ -123,7 +123,6 @@ static int parport_getsda(void *data)
 
 /* SMBus alert support */
 static struct i2c_smbus_alert_setup alert_data = {
-	.alert_edge_triggered	= 1,
 };
 static struct i2c_client *ara;
 static struct lineop parport_ctrl_irq = {
diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c
index a8e54df..319209a 100644
--- a/drivers/i2c/busses/i2c-parport.c
+++ b/drivers/i2c/busses/i2c-parport.c
@@ -237,7 +237,6 @@ static void i2c_parport_attach(struct parport *port)
 
 	/* Setup SMBus alert if supported */
 	if (adapter_parm[type].smbus_alert) {
-		adapter->alert_data.alert_edge_triggered = 1;
 		adapter->ara = i2c_setup_smbus_alert(&adapter->adapter,
 						     &adapter->alert_data);
 		if (adapter->ara)
diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
index 1d4c2be..c27a50f 100644
--- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c
+++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
@@ -112,8 +112,6 @@ static void thunder_i2c_clock_disable(struct device *dev, struct clk *clk)
 static int thunder_i2c_smbus_setup_of(struct octeon_i2c *i2c,
 				      struct device_node *node)
 {
-	u32 type;
-
 	if (!node)
 		return -EINVAL;
 
@@ -121,10 +119,6 @@ static int thunder_i2c_smbus_setup_of(struct octeon_i2c *i2c,
 	if (!i2c->alert_data.irq)
 		return -EINVAL;
 
-	type = irqd_get_trigger_type(irq_get_irq_data(i2c->alert_data.irq));
-	i2c->alert_data.alert_edge_triggered =
-		(type & IRQ_TYPE_LEVEL_MASK) ? 1 : 0;
-
 	i2c->ara = i2c_setup_smbus_alert(&i2c->adap, &i2c->alert_data);
 	if (!i2c->ara)
 		return -ENODEV;
diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c
index f9271c7..d4af270 100644
--- a/drivers/i2c/i2c-smbus.c
+++ b/drivers/i2c/i2c-smbus.c
@@ -25,8 +25,6 @@
 #include <linux/workqueue.h>
 
 struct i2c_smbus_alert {
-	unsigned int		alert_edge_triggered:1;
-	int			irq;
 	struct work_struct	alert;
 	struct i2c_client	*ara;		/* Alert response address */
 };
@@ -72,13 +70,12 @@ static int smbus_do_alert(struct device *dev, void *addrp)
  * The alert IRQ handler needs to hand work off to a task which can issue
  * SMBus calls, because those sleeping calls can't be made in IRQ context.
  */
-static void smbus_alert(struct work_struct *work)
+static irqreturn_t smbus_alert(int irq, void *d)
 {
-	struct i2c_smbus_alert *alert;
+	struct i2c_smbus_alert *alert = d;
 	struct i2c_client *ara;
 	unsigned short prev_addr = 0;	/* Not a valid address */
 
-	alert = container_of(work, struct i2c_smbus_alert, alert);
 	ara = alert->ara;
 
 	for (;;) {
@@ -115,21 +112,17 @@ static void smbus_alert(struct work_struct *work)
 		prev_addr = data.addr;
 	}
 
-	/* We handled all alerts; re-enable level-triggered IRQs */
-	if (!alert->alert_edge_triggered)
-		enable_irq(alert->irq);
+	return IRQ_HANDLED;
 }
 
-static irqreturn_t smbalert_irq(int irq, void *d)
+static void smbalert_work(struct work_struct *work)
 {
-	struct i2c_smbus_alert *alert = d;
+	struct i2c_smbus_alert *alert;
+
+	alert = container_of(work, struct i2c_smbus_alert, alert);
 
-	/* Disable level-triggered IRQs until we handle them */
-	if (!alert->alert_edge_triggered)
-		disable_irq_nosync(irq);
+	smbus_alert(0, alert);
 
-	schedule_work(&alert->alert);
-	return IRQ_HANDLED;
 }
 
 /* Setup SMBALERT# infrastructure */
@@ -139,28 +132,28 @@ static int smbalert_probe(struct i2c_client *ara,
 	struct i2c_smbus_alert_setup *setup = dev_get_platdata(&ara->dev);
 	struct i2c_smbus_alert *alert;
 	struct i2c_adapter *adapter = ara->adapter;
-	int res;
+	int res, irq;
 
 	alert = devm_kzalloc(&ara->dev, sizeof(struct i2c_smbus_alert),
 			     GFP_KERNEL);
 	if (!alert)
 		return -ENOMEM;
 
-	alert->alert_edge_triggered = setup->alert_edge_triggered;
-	alert->irq = setup->irq;
-	INIT_WORK(&alert->alert, smbus_alert);
+	irq = setup->irq;
+	INIT_WORK(&alert->alert, smbalert_work);
 	alert->ara = ara;
 
-	if (setup->irq > 0) {
-		res = devm_request_irq(&ara->dev, setup->irq, smbalert_irq,
-				       0, "smbus_alert", alert);
+	if (irq > 0) {
+		res = devm_request_threaded_irq(&ara->dev, irq,
+						NULL, smbus_alert,
+						IRQF_SHARED | IRQF_ONESHOT,
+						"smbus_alert", alert);
 		if (res)
 			return res;
 	}
 
 	i2c_set_clientdata(ara, alert);
-	dev_info(&adapter->dev, "supports SMBALERT#, %s trigger\n",
-		 setup->alert_edge_triggered ? "edge" : "level");
+	dev_info(&adapter->dev, "supports SMBALERT#\n");
 
 	return 0;
 }
diff --git a/include/linux/i2c-smbus.h b/include/linux/i2c-smbus.h
index a138502..19efbd1 100644
--- a/include/linux/i2c-smbus.h
+++ b/include/linux/i2c-smbus.h
@@ -42,7 +42,6 @@
  * properly set.
  */
 struct i2c_smbus_alert_setup {
-	unsigned int		alert_edge_triggered:1;
 	int			irq;
 };
 
