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cf8dfe6ab8
Two places call ipa_setup(). The first, ipa_probe(), holds an IPA clock reference when calling ipa_setup() (if the AP is responsible for IPA firmware loading). But if the modem is loading IPA firmware, ipa_smp2p_modem_setup_ready_isr() calls ipa_setup() after the modem has signaled the hardware is ready. This can happen at any time, and there is no guarantee the hardware is active. Have ipa_smp2p_modem_setup() take an IPA clock reference before it calls ipa_setup(), and release it once setup is complete. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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.