K 10
svn:author
V 6
adrian
K 8
svn:date
V 27
2013-10-16T02:10:35.181186Z
K 7
svn:log
V 215
Add bus space barriers to the AR71xx SPI code.

This is required for correct, stable operation on the MIPS74k SoCs
that are dual-issue, superscalar pipelines.

Tested:

* AR9344 SoC (MIPS74k)
* AR9331 SoC (MIPS24k)

END