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110be46f5a
enable_irq() and disable_irq() are reference counted, so we must make sure
that each enable_irq() is always paired with a single disable_irq(). If we
call disable_irq() twice followed by just a single enable_irq(), the IRQ
will remain disabled forever.
For the error handling path in qcom_q6v5_wait_for_start(), disable_irq()
will end up being called twice, because disable_irq() also happens in
qcom_q6v5_unprepare() when rolling back the call to qcom_q6v5_prepare().
Fix this by dropping disable_irq() in qcom_q6v5_wait_for_start(). Since
qcom_q6v5_prepare() is the function that calls enable_irq(), it makes more
sense to have the rollback handled always by qcom_q6v5_unprepare().
Fixes:
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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.