MIPS busdma map questions

[Adrian Chadd]

On 28 August 2012 22:01, Scott Long <scott4long at yahoo.com> wrote:

> There is no need to create a separate map for memory allocated via this way. It's a convenience thing.

Right, but my initial question still stands - the initial map that's
being created is completely ignored and overwritten when the
bus_dmamem_alloc() call is made. One of the first thing that does is
it sets *dmat = NULL; - it's totally trashing the pre-existing map.




Adrian