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[ Upstream commit 3d3e28feca7ac8c6cf2a390dbbe1f97e3feb7f36 ] Occasionally there is an EPROTO error during firmware download. This error is converted to EAGAIN in the download function. But nobody tries again and so device probe fails. Implement download retry to fix this. This error was observed (and fix tested) on a tbs2910 board [1] with an embedded RTL8188EU (0bda:8179) device behind a USB hub. [1] arch/arm/boot/dts/nxp/imx/imx6q-tbs2910.dts Signed-off-by: Soeren Moch <smoch@web.de> Acked-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Link: https://patch.msgid.link/20250127194828.599379-1-smoch@web.de Signed-off-by: Sasha Levin <sashal@kernel.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.