1 files changed, 11 insertions, 11 deletions

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 9e43508d4567..9c440fa6a3dd 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -314,6 +314,8 @@ static int i2c_device_probe(struct device *dev)
 
 	driver = to_i2c_driver(dev->driver);
 
+	client->irq = client->init_irq;
+
 	if (!client->irq && !driver->disable_i2c_core_irq_mapping) {
 		int irq = -ENOENT;
 
@@ -327,7 +329,7 @@ static int i2c_device_probe(struct device *dev)
 			if (irq == -EINVAL || irq == -ENODATA)
 				irq = of_irq_get(dev->of_node, 0);
 		} else if (ACPI_COMPANION(dev)) {
-			irq = acpi_dev_gpio_irq_get(ACPI_COMPANION(dev), 0);
+			irq = i2c_acpi_get_irq(client);
 		}
 		if (irq == -EPROBE_DEFER)
 			return irq;
@@ -424,7 +426,7 @@ static int i2c_device_remove(struct device *dev)
 	dev_pm_clear_wake_irq(&client->dev);
 	device_init_wakeup(&client->dev, false);
 
-	client->irq = client->init_irq;
+	client->irq = 0;
 	if (client->flags & I2C_CLIENT_HOST_NOTIFY)
 		pm_runtime_put(&client->adapter->dev);
 
@@ -679,8 +681,8 @@ static void i2c_dev_set_name(struct i2c_adapter *adap,
 		     i2c_encode_flags_to_addr(client));
 }
 
-static int i2c_dev_irq_from_resources(const struct resource *resources,
-				      unsigned int num_resources)
+int i2c_dev_irq_from_resources(const struct resource *resources,
+			       unsigned int num_resources)
 {
 	struct irq_data *irqd;
 	int i;
@@ -721,7 +723,7 @@ static int i2c_dev_irq_from_resources(const struct resource *resources,
  * This returns the new i2c client, which may be saved for later use with
  * i2c_unregister_device(); or an ERR_PTR to describe the error.
  */
-static struct i2c_client *
+struct i2c_client *
 i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
 {
 	struct i2c_client	*client;
@@ -741,7 +743,6 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf
 	if (!client->init_irq)
 		client->init_irq = i2c_dev_irq_from_resources(info->resources,
 							 info->num_resources);
-	client->irq = client->init_irq;
 
 	strlcpy(client->name, info->type, sizeof(client->name));
 
@@ -831,7 +832,7 @@ EXPORT_SYMBOL_GPL(i2c_new_device);
  */
 void i2c_unregister_device(struct i2c_client *client)
 {
-	if (!client)
+	if (IS_ERR_OR_NULL(client))
 		return;
 
 	if (client->dev.of_node) {
@@ -887,8 +888,7 @@ static struct i2c_driver dummy_driver = {
  * This returns the new i2c client, which should be saved for later use with
  * i2c_unregister_device(); or an ERR_PTR to describe the error.
  */
-static struct i2c_client *
-i2c_new_dummy_device(struct i2c_adapter *adapter, u16 address)
+struct i2c_client *i2c_new_dummy_device(struct i2c_adapter *adapter, u16 address)
 {
 	struct i2c_board_info info = {
 		I2C_BOARD_INFO("dummy", address),
@@ -1663,7 +1663,7 @@ EXPORT_SYMBOL_GPL(i2c_parse_fw_timings);
 
 /* ------------------------------------------------------------------------- */
 
-int i2c_for_each_dev(void *data, int (*fn)(struct device *, void *))
+int i2c_for_each_dev(void *data, int (*fn)(struct device *dev, void *data))
 {
 	int res;
 
@@ -2276,7 +2276,7 @@ struct i2c_client *
 i2c_new_probed_device(struct i2c_adapter *adap,
 		      struct i2c_board_info *info,
 		      unsigned short const *addr_list,
-		      int (*probe)(struct i2c_adapter *, unsigned short addr))
+		      int (*probe)(struct i2c_adapter *adap, unsigned short addr))
 {
 	int i;