platform/mellanox: Rename i2c bus to nr

Use Linux convention of nr instead of bus for i2c adapter number.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
[dvhart: refactored commit into smaller functional changes]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>

drivers/platform/mellanox/mlxreg-hotplug.c

@@ -186,17 +186,17 @@ static int mlxreg_hotplug_attr_init(struct mlxreg_hotplug_priv_data *priv)
 static int mlxreg_hotplug_device_create(struct device *dev,
 					struct mlxreg_hotplug_device *item)
 {
-	item->adapter = i2c_get_adapter(item->bus);
+	item->adapter = i2c_get_adapter(item->nr);
 	if (!item->adapter) {
 		dev_err(dev, "Failed to get adapter for bus %d\n",
-			item->bus);
+			item->nr);
 		return -EFAULT;
 	}
 
 	item->client = i2c_new_device(item->adapter, &item->brdinfo);
 	if (!item->client) {
 		dev_err(dev, "Failed to create client %s at bus %d at addr 0x%02x\n",
-			item->brdinfo.type, item->bus, item->brdinfo.addr);
+			item->brdinfo.type, item->nr, item->brdinfo.addr);
 		i2c_put_adapter(item->adapter);
 		item->adapter = NULL;
 		return -EFAULT;

drivers/platform/x86/mlx-platform.c

@@ -141,41 +141,41 @@ static struct i2c_mux_reg_platform_data mlxplat_mux_data[] = {
 static struct mlxreg_hotplug_device mlxplat_mlxcpld_psu[] = {
 	{
 		.brdinfo = { I2C_BOARD_INFO("24c02", 0x51) },
-		.bus = 10,
+		.nr = 10,
 	},
 	{
 		.brdinfo = { I2C_BOARD_INFO("24c02", 0x50) },
-		.bus = 10,
+		.nr = 10,
 	},
 };
 
 static struct mlxreg_hotplug_device mlxplat_mlxcpld_pwr[] = {
 	{
 		.brdinfo = { I2C_BOARD_INFO("dps460", 0x59) },
-		.bus = 10,
+		.nr = 10,
 	},
 	{
 		.brdinfo = { I2C_BOARD_INFO("dps460", 0x58) },
-		.bus = 10,
+		.nr = 10,
 	},
 };
 
 static struct mlxreg_hotplug_device mlxplat_mlxcpld_fan[] = {
 	{
 		.brdinfo = { I2C_BOARD_INFO("24c32", 0x50) },
-		.bus = 11,
+		.nr = 11,
 	},
 	{
 		.brdinfo = { I2C_BOARD_INFO("24c32", 0x50) },
-		.bus = 12,
+		.nr = 12,
 	},
 	{
 		.brdinfo = { I2C_BOARD_INFO("24c32", 0x50) },
-		.bus = 13,
+		.nr = 13,
 	},
 	{
 		.brdinfo = { I2C_BOARD_INFO("24c32", 0x50) },
-		.bus = 14,
+		.nr = 14,
 	},
 };
 

include/linux/platform_data/mlxreg.h

@@ -39,7 +39,7 @@
  * @adapter: I2C device adapter;
  * @client: I2C device client;
  * @brdinfo: device board information;
- * @bus: I2C bus, where device is attached;
+ * @nr: I2C device adapter number, to which device is to be attached;
  *
  * Structure represents I2C hotplug device static data (board topology) and
  * dynamic data (related kernel objects handles).
@@ -48,7 +48,7 @@ struct mlxreg_hotplug_device {
 	struct i2c_adapter *adapter;
 	struct i2c_client *client;
 	struct i2c_board_info brdinfo;
-	u16 bus;
+	int nr;
 };
 
 /**