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After firmware has been downloaded, driver should send some information to it through H2C commands. Those H2C commands are transmitted through TX path. But before HCI has been started, the TX path is not working completely. Such as PCI interfaces, the interrupts are not enabled, hence TX interrupts will not be issued after H2C skb has been DMAed to the device. And the H2C skbs will not be released until the device is powered off. Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.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.
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