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7a96a64e86
Add runtime power management to the imx-rngc driver. Disable the peripheral clock when the rngc is idle. The callback functions from struct hwrng wake the rngc up when they're called and set it to idle on exit. Helper functions which are invoked from the callbacks assume that the rngc is active. Device init and probe are done before runtime pm is enabled. The peripheral clock will be handled manually during these steps. Do not use devres any more to enable/disable the peripheral clock, this conflicts with runtime pm. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.