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a41a1f8618
Driver probe function check for a bit in 'pcie_link_status' for
enabling the pcie port or not. Instead of this add 'enabled' field
in 'mt7621_pcie_port' structure and check its value to achieve this
inside a new 'mt7621_pcie_enable_ports' function. The offsets for
the correct port are derived from the slot of the port. This field
'enabled' is properly initilized in 'mt7621_pcie_init_port'. Also
depending of the number of ports enabled we have to properly init
its registers taking into account that we will use virtual bridges
from zero to num_slots_enabled as follows:
- Only one enabled -> only enable virtual bridge 0.
- Two enabled -> enable virtual bridges 0 and 1.
- Three enabled -> enable virtual bridges 0, 1 and 2.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.