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05c86e9eefd671afcb022c47a3309fc7c22dd634
This patch clear the HWO bit in trb_ctrl by software when requests are moved to queued list. There are some cases which can lead to missed isoc event in dwc3 endpoint interrupt. For example, in uac+uvc mode, if PC start to playpack audio or open uvc preview while captureing audio, a lot of control transfer will bring missed isoc event and we will unmap all request in started list and move them to queued list. Without this patch, the number of trbs left will be incorrectle calculated as 0 and no trbs will be prepared at next transfer. Signed-off-by: Ren Jianing <jianing.ren@rock-chips.com> Change-Id: Idca5cd10f291962a480fc7e01e2186beaae2efb9
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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 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.
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