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de497f6346
The net2280 UDC driver (and also net2272, probably via copy-and-paste) incorrectly checks the req->zero flag during OUT transfers, after copying data from the UDC's FIFO into memory. This makes no sense at all; the "zero" flag indicates that an extra zero-length packet should be appended to an IN transfer if the length is an even multiple of the maxpacket size. It has nothing to do with OUT transfers. In practice this doesn't cause any problems because gadget drivers never set req->zero for OUT transfers anyway. Still, it is an error and unnecessary code, so this patch removes the check. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> |
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| README | ||
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.