SQL Server 2008 SSRS integration with SharePoint 2010 RTM
For the integration of SQL Server 2008 Reporting Services with SharePoint 2010 you require the SQL Server 2008 R2 Addin for SharePoint 2010. However it only supported with CU8 update / patch of SQL 2008 SP1 planned for release in May 2010. Please refer to https://blogs.msdn.com/prash for further details