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[ Upstream commit 0077a504e1a4468669fd2e011108db49133db56e ] The ASM1166 SATA host controller always reports wrongly, that it has 32 ports. But in reality, it only has six ports. This seems to be a hardware issue, as all tested ASM1166 SATA host controllers reports such high count of ports. Example output: ahci 0000:09:00.0: AHCI 0001.0301 32 slots 32 ports 6 Gbps 0xffffff3f impl SATA mode. By adjusting the port_map, the count is limited to six ports. New output: ahci 0000:09:00.0: AHCI 0001.0301 32 slots 32 ports 6 Gbps 0x3f impl SATA mode. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=211873 Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218346 Signed-off-by: Conrad Kostecki <conikost@gentoo.org> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Niklas Cassel <cassel@kernel.org> 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.