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2013-05-01MIPS: Add option to disable software I/O coherency.Steven J. Hill1-0/+15
Some MIPS controllers have hardware I/O coherency. This patch detects those and turns off software coherency. A new kernel command line option also allows the user to manually turn software coherency on or off. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>