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.
Forked from
Linaro / linux / kernel / torvalds / linux
315367 commits behind the upstream repository.
Sayanta Pattanayak
authored
When registering the MDIO bus for a r8169 device, we use the PCI bus/device specifier as a (seemingly) unique device identifier. However the very same BDF number can be used on another PCI segment, which makes the driver fail probing: [ 27.544136] r8169 0002:07:00.0: enabling device (0000 -> 0003) [ 27.559734] sysfs: cannot create duplicate filename '/class/mdio_bus/r8169-700' .... [ 27.684858] libphy: mii_bus r8169-700 failed to register [ 27.695602] r8169: probe of 0002:07:00.0 failed with error -22 Add the segment number to the device name to make it more unique. This fixes operation on ARM N1SDP boards, with two boards connected together to form an SMP system, and all on-board devices showing up twice, just on different PCI segments. A similar issue would occur on large systems with many PCI slots and multiple RTL8169 NICs. Fixes: f1e911d5 ("r8169: add basic phylib support") Signed-off-by:Sayanta Pattanayak <sayanta.pattanayak@arm.com> [Andre: expand commit message, use pci_domain_nr()] Signed-off-by:
Andre Przywara <andre.przywara@arm.com> Acked-by:
Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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| README |