Hi All, I have this patch in my repo. I just added BUG_ON for dma ops. The reason for that is if driver not setup ops correctly than the system do bad access to any memory space without any visible reason. BUG_ON points to it and helps to solve where the problem is. Thanks for your review, Michal -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html