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00df214b1f
Realtek bluetooth may not work after reboot: [ 12.446130] Bluetooth: hci0: RTL: rtl: unknown IC info, lmp subver a99e, hci rev 826c, hci ver 0008 This is a regression introduced by commit26503ad25d("Bluetooth: btrtl: split the device initialization into smaller parts"). The new logic errors out early when no matching IC info can be found, in this case it means the firmware is already loaded. So let's assume the firmware is already loaded when we can't find matching IC info, like the old logic did. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=201921 Fixes:26503ad25d("Bluetooth: btrtl: split the device initialization into smaller parts") Cc: stable@vger.kernel.org # 4.19+ Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.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.
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.