This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
OMAP4460的DMA link-list的最后一个descriptor怎么标记呢?
在手册中16.4.20.2中写道 “The end of the super block is signaled in the last descriptor associated with the last block”,但是没有提到到底怎样去标记的。
我试了一下将next-descriptor pointeraddress设为0,但是这样不行,并会报出“DMA misaligned error with device XX”。
烦请大侠指点,怎样能在descriptor中标记这是最后一个descriptor呢?多谢!!