William Wu 78c5b7ae9f usb: dwc3: gadget: fix XferInProgress event for isoc ep
On XferInProgress events, if the endpoint is isochronous
type, do not kick transfer directly even if the pending_list
isn't empty. Because it needs to wait for XferNotReady
event to start isoc transfer. Without this patch, it will
trigger a large number of unuseful XferInProgress events,
and easily cause loss of synchronization data if the cpu
core unable to handle the dwc3 thread interrupt in time.

Fixes: b77df21107 ("usb: dwc3: gadget: Continue to process pending requests")
Change-Id: I14d16240a6e10db466fd9822b4fdc35d79817508
Signed-off-by: William Wu <william.wu@rock-chips.com>
2021-06-04 22:20:12 +08:00
2019-02-10 00:33:21 +08:00
2019-02-10 00:33:21 +08:00
2019-02-10 00:33:21 +08:00
2019-08-29 19:45:37 +08:00
2019-08-29 19:45:37 +08:00

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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