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d1e5d531d2All of mutex_mod and mutex_table_mod contain an array of bit
numbers, which can go from 0 to 63, it is hence not needed to
use an unsigned 32-bits integer to store that: change them to
unsigned 8-bits instead.
As for the mutex_sof table since this directly contains the values
to write to the DISP_MUTEXn_CTL register, which has only bits [13:0]
(so this register is effectively 14 bits long), change that to use
unsigned 16-bits.
The type of mutex_{mod,sof}_reg was also changed to 16 bits, as
the maximum value that those will ever have is 0x800, because it
calculates as 0x30 + (0x20 * n) where n's maximum value is 63.
This reduces module size and brings no functional changes.
Before:
text data bss dec hex filename
9929 512 0 10441 28c9 mtk-mutex.o
After:
text data bss dec hex filename
7425 512 0 7937 1f01 mtk-mutex.o
Link: https://lore.kernel.org/r/20240729122538.989855-1-angelogioacchino.delregno@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.