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| Filename | Latest commit message | Latest commit date |
|---|---|---|
9f4659ba38
Low-level controller enable function __i2c_dw_enable is overloaded to also handle disabling. What's worse, even though the documentation requires polling the IC_ENABLE_STATUS register when disabling, this is not done: polling needs to be requested specifically by calling __i2c_dw_enable_and_wait, which can also poll on enabling, but that doesn't work if the IC_ENABLE_STATUS register is not implemented. This is quite confusing if not in fact backwards. Especially since the documentation says that disabling should be followed by polling, the driver should be using a separate function where it does one-shot disables to make the optimization stand out. This refactors the two functions so that requested status is given in the name rather than in a boolean argument. Specifically: - __i2c_dw_enable: enable without polling (in accordance with docs) - __i2c_dw_disable: disable and do poll (also as suggested by docs) - __i2c_dw_disable_nowait: disable without polling (Linux-specific) No functional change. Signed-off-by: Alexander Monakov <amonakov@ispras.ru> Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> [wsa: fixed blank lines in header file] Signed-off-by: Wolfram Sang <wsa@the-dreams.de> |
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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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.