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| Filename | Latest commit message | Latest commit date |
|---|---|---|
6093f744fe
In regmap_spi_gather_write() the "addr" is prepared. The chip expects
the number of 32 bit words to write in the lower 8 bits of addr. However
the number of byte to write in shifted left by 3 (== divided by 8).
The function tcan4x5x_regmap_write() is called with a data buffer, which
holds the register information in the first 32 bits, followed by the
actual data. tcan4x5x_regmap_write() calls regmap_spi_gather_write()
with the val pointer pointing to the actual data (i.e. the original
pointer is incremented by 4 bytes), but without decrementing the count.
If the regmap framework only calls tcan4x5x_regmap_write() to read
single 32 bit registers these two bugs cancel each other.
This patch fixes the code.
Fixes:
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| include | ||
| init | ||
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| lib | ||
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| README | ||
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 Restructured Text 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.