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SubjectRe: [PATCH v5 0/2] Add support for multiple coherent memory regions
On Mon, Mar 11, 2024 at 6:03 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> On Mon, Mar 11, 2024 at 09:49:45AM +0000, Howard Yen wrote:
> > In the system I'm working on, there is an always-on subsystem which
> > includes a small size memory, and several functions need to run and
> > occupy the memory from the small memory if they need to run on the
> > always-on subsystem. These functions must allocate the memory from the
> > small memory region, so that they can get benefit from the always-on
> > subsystem. So the small memory is split for multiple functions which are
> > satisfied with their generic use cases. But in specific use cases, like
> > USB3 devices which support the stream trasnsfer or multiple devices
> > connect to the host, they required more memory than their pre-allocated
> > memory region. I tried to implement it in a generic way and propose this
> > patch to give it the ability to get the memory from the other larger
> > memory to solve the issue.
>
> > Changelog
> > --------------------------------------------
> > Changes in v5:
> > - Fix build break.
> > - Use of_property_count_u32_elems() instead of
> > of_property_count_elems_of_size().
>
> Have you tried to use --histogram diff algo?

Yes, I used the below command to create the patch v5.
`git format-patch --cover-letter --histogram -v5 51b70ff55`

>
> --
> With Best Regards,
> Andy Shevchenko
>
>


--
Best Regards,

Howard

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