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Filename Latest commit message Latest commit date
Jonas Gorski ebe2678916 net: dsa: b53: fix resetting speed and pause on forced link
[ Upstream commit b6a8a5477fe9bd6be2b594a88f82f8bba41e6d54 ]

There is no guarantee that the port state override registers have their
default values, as not all switches support being reset via register or
have a reset GPIO.

So when forcing port config, we need to make sure to clear all fields,
which we currently do not do for the speed and flow control
configuration. This can cause flow control stay enabled, or in the case
of speed becoming an illegal value, e.g. configured for 1G (0x2), then
setting 100M (0x1), results in 0x3 which is invalid.

For PORT_OVERRIDE_SPEED_2000M we need to make sure to only clear it on
supported chips, as the bit can have different meanings on other chips,
e.g. for BCM5389 this controls scanning PHYs for link/speed
configuration.

Fixes: 5e004460f8 ("net: dsa: b53: Add helper to set link parameters")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20251101132807.50419-2-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-12-03 12:45:15 +01:00
arch sparc/module: Add R_SPARC_UA64 relocation handling 2025-12-03 12:45:13 +01:00
block
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drivers net: dsa: b53: fix resetting speed and pause on forced link 2025-12-03 12:45:15 +01:00
fs ceph: add checking of wait_for_completion_killable() return value 2025-12-03 12:45:15 +01:00
include net/cls_cgroup: Fix task_get_classid() during qdisc run 2025-12-03 12:45:12 +01:00
init
ipc
kernel uprobe: Do not emulate/sstep original instruction when ip is changed 2025-12-03 12:45:08 +01:00
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net net: vlan: sync VLAN features with lower device 2025-12-03 12:45:15 +01:00
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sound ALSA: usb-audio: apply quirk for MOONDROP Quark2 2025-12-03 12:45:11 +01:00
tools selftests/Makefile: include $(INSTALL_DEP_TARGETS) in clean target to clean net/lib dependency 2025-12-03 12:45:12 +01:00
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README

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.