Change the way McBSP registers are maintained: store values written to the
device in a cache in order to  make use of those cached values when
convenient.

This could help for developing the McBSP context save/restore features, as
well as solve the problem of possible register corruption experienced on
OMAP1510 based Amstrad Delta board, at least.

Janusz Krzysztofik (4):
        OMAP: McBSP: Use macros for all register read/write operations
        OMAP: McBSP: Prepare register read/write macros API for caching
        OMAP: McBSP: Introduce caching in register write operations
        OMAP: McBSP: Use cache when modifying individual register bits

 arch/arm/plat-omap/include/plat/mcbsp.h |    5
 arch/arm/plat-omap/mcbsp.c              |  397 
++++++++++++++++++++++++---------------------------
 2 files changed, 198 insertions(+), 204 deletions(-)

Thanks,
Janusz
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