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c50903e3ee
The Realtek RTL8723BS and RTL8723DS chipsets are SDIO wifi chips. They also contain a Bluetooth module which is connected via UART to the host. Realtek's userspace initialization tool (rtk_hciattach) differentiates these two via the HCI version and revision returned by the HCI_OP_READ_LOCAL_VERSION command. Additionally we apply these checks only the for UART devices. Everything else is assumed to be a "RTL8723B" which was originally supported by the driver (communicating via USB). Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jeremy Cline <jeremy@jcline.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.