tree 559c8ceebf73cb7a91a2ec84a7d67c6d242c6ca2
parent d0cff240b83babe72f5ba28044268b86aaa91d53
author Benjamin Herrenschmidt <benh@kernel.crashing.org> 1532494641 +1000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1532498693 +1000

fsi: master-ast-cf: Mask unused bits in RTAG/RCRC

Then reading the RTAG/RCRC "registers" from the coprocessor after
a command is complete, mask out the top bits, only keep the relevant
bits. Microcode v5 will leave garbage in those top bits as a
result of a performance optimization.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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