Re: [PATCH 0/2] DSPBRIDGE: 128 bytes alignment check

[Omar Ramirez Luna <omar.ramirez@ti.com>]

On 3/26/2010 4:02 PM, Ramirez Luna, Omar wrote:
> Technical info:
> https://omapzoom.org/gf/download/docmanfileversion/52/985/DSP_cache.pdf
>
> This set of patches introduces the 128 byte alignment check,
> needed to avoid corruption if the dsp is meant to write to
> boundary portions of an unaligned chunk of memory.
>
> The second patch uses a field composed of 2 bits to distinguish
> if the mapped chunk is readable/writeable, so the check can be
> performed on w/rw chunks of memory.
>
> Omar Ramirez Luna (2):
>    DSPBRIDGE: add checking 128 byte alignment for dsp cache line size
>    DSPBRIDGE: Distinguish between read or write buffers
>
>   arch/arm/plat-omap/include/dspbridge/dbdefs.h |    7 ++++++-
>   drivers/dsp/bridge/Kconfig                    |   14 ++++++++++++++
>   drivers/dsp/bridge/rmgr/proc.c                |   19 +++++++++++++++++++
>   drivers/dsp/bridge/wmd/tiomap3430.c           |    4 ++--
>   4 files changed, 41 insertions(+), 3 deletions(-)
>

Pushed to dspbridge.

- omar