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c0ab9e0812
Currently the space for the array of virtual devices is allocated along with the OPP table, but that isn't going to work well from now onwards. For single power domain case, a driver can either use the original device structure for setting the performance state (if genpd attached with dev_pm_domain_attach()) or use the virtual device structure (if genpd attached with dev_pm_domain_attach_by_name(), which returns the virtual device) and so we can't know in advance if we are going to need genpd_virt_devs array or not. Lets delay the allocation a bit and do it along with dev_pm_opp_attach_genpd() rather. The deallocation is done from dev_pm_opp_detach_genpd(). Tested-by: Niklas Cassel <niklas.cassel@linaro.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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.