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b011810572
If not clearing the BB (bus busy) condition in the BER (bus error) interrupt, the driver causes a timeout and hence the i2c core doesn't do the i2c transfer retry but returns the driver's return value to the upper layer instead. Clear the BB condition in the BER interrupt and a software flag is used. The driver does an i2c recovery without causing the timeout if the flag is set. Signed-off-by: Tyrone Ting <kfting@nuvoton.com> Reviewed-by: Tali Perry <tali.perry1@gmail.com> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> |
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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.