diff --git a/drivers/i2c/muxes/i2c-mux-mlxcpld.c b/drivers/i2c/muxes/i2c-mux-mlxcpld.c
index 5e0672f9979b7e..1a879f6a31efdf 100644
--- a/drivers/i2c/muxes/i2c-mux-mlxcpld.c
+++ b/drivers/i2c/muxes/i2c-mux-mlxcpld.c
@@ -159,6 +159,10 @@ static int mlxcpld_mux_probe(struct platform_device *pdev)
 			goto virt_reg_failed;
 	}
 
+	/* Notify caller when all channels' adapters are created. */
+	if (pdata->completion_notify)
+		pdata->completion_notify(pdata->handle, muxc->parent, muxc->adapter);
+
 	return 0;
 
 virt_reg_failed:
diff --git a/include/linux/platform_data/mlxcpld.h b/include/linux/platform_data/mlxcpld.h
index a7bee798d99175..d7610b5288568c 100644
--- a/include/linux/platform_data/mlxcpld.h
+++ b/include/linux/platform_data/mlxcpld.h
@@ -15,12 +15,17 @@
  * @num_adaps - number of adapters
  * @sel_reg_addr - mux select register offset in CPLD space
  * @reg_size: register size in bytes
+ * @handle: handle to be passed by callback
+ * @completion_notify: callback to notify when all the adapters are created
  */
 struct mlxcpld_mux_plat_data {
 	int *chan_ids;
 	int num_adaps;
 	int sel_reg_addr;
 	u8 reg_size;
+	void *handle;
+	int (*completion_notify)(void *handle, struct i2c_adapter *parent,
+				 struct i2c_adapter *adapters[]);
 };
 
 #endif /* _LINUX_I2C_MLXCPLD_H */