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[ Upstream commit7ae6d93c8f] The QCA8K family supports up to 7 ports. So use the existing QCA8K_NUM_PORTS define to allocate the switch structure and limit all operations with the switch ports. This was not an issue until commit0394a63acf("net: dsa: enable and disable all ports") disabled all unused ports. Since the unused ports 7-11 are outside of the correct register range on this switch some registers were rewritten with invalid content. Fixes:6b93fb4648("net-next: dsa: add new driver for qca8xxx family") Fixes:a0c02161ec("net: dsa: variable number of ports") Fixes:0394a63acf("net: dsa: enable and disable all ports") Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> 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.
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.