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a6733474ba
Since the PWM framework is switching struct pwm_args.period's datatype to u64, prepare for this transition by using div64_u64() to handle a 64-bit divisor. Also ensure that divide-by-zero (with fixed_rate as denominator) does not happen with an explicit check with probe failure as a consequence. Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org> Acked-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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.