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Filename Latest commit message Latest commit date
Emanuele Ghidoli 53ff969f35 net: phy: dp83867: Disable EEE support as not implemented
[ Upstream commit 84a905290cb4c3d9a71a9e3b2f2e02e031e7512f ]

While the DP83867 PHYs report EEE capability through their feature
registers, the actual hardware does not support EEE (see Links).
When the connected MAC enables EEE, it causes link instability and
communication failures.

The issue is reproducible with a iMX8MP and relevant stmmac ethernet port.
Since the introduction of phylink-managed EEE support in the stmmac driver,
EEE is now enabled by default, leading to issues on systems using the
DP83867 PHY.

Call phy_disable_eee during phy initialization to prevent EEE from being
enabled on DP83867 PHYs.

Link: https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1445244/dp83867ir-dp83867-disable-eee-lpi
Link: https://e2e.ti.com/support/interface-group/interface/f/interface-forum/658638/dp83867ir-eee-energy-efficient-ethernet
Fixes: 2a10154abc ("net: phy: dp83867: Add TI dp83867 phy")
Cc: stable@vger.kernel.org
Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20251023144857.529566-1-ghidoliemanuele@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
[ replaced phy_disable_eee() call with direct eee_broken_modes assignment ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-12-03 12:45:05 +01:00
arch x86/bugs: Fix reporting of LFENCE retpoline 2025-12-03 12:45:04 +01:00
block block: use int to store blk_stack_limits() return value 2025-10-29 13:59:46 +01:00
certs
crypto crypto: essiv - Check ssize for decryption and in-place encryption 2025-10-29 13:59:52 +01:00
Documentation arm64: errata: Apply workarounds for Neoverse-V3AE 2025-10-29 14:00:00 +01:00
drivers net: phy: dp83867: Disable EEE support as not implemented 2025-12-03 12:45:05 +01:00
fs btrfs: use smp_mb__after_atomic() when forcing COW in create_pending_snapshot() 2025-12-03 12:45:04 +01:00
include net/sched: sch_qfq: Fix null-deref in agg_dequeue 2025-12-03 12:45:04 +01:00
init bpfilter: match bit size of bpfilter_umh to that of the kernel 2025-07-17 18:24:51 +02:00
ipc ipc: fix to protect IPCS lookups using RCU 2025-06-27 11:02:52 +01:00
kernel padata: Reset next CPU when reorder sequence wraps around 2025-10-29 14:00:01 +01:00
lib lib/genalloc: fix device leak in of_gen_pool_get() 2025-10-29 13:59:53 +01:00
LICENSES
mm mm: hugetlb: avoid soft lockup when mprotect to large memory area 2025-10-29 13:59:50 +01:00
net net/sched: sch_qfq: Fix null-deref in agg_dequeue 2025-12-03 12:45:04 +01:00
samples samples: mei: Fix building on musl libc 2025-08-28 16:21:19 +02:00
scripts randstruct: gcc-plugin: Fix attribute addition 2025-09-09 18:44:01 +02:00
security KEYS: trusted_tpm1: Compare HMAC values in constant time 2025-10-29 14:00:01 +01:00
sound ASoC: qdsp6: q6asm: do not sleep while atomic 2025-12-03 12:45:05 +01:00
tools rseq/selftests: Use weak symbol reference, not definition, to link with glibc 2025-10-29 13:59:54 +01:00
usr kbuild: hdrcheck: fix cross build with clang 2025-07-17 18:24:51 +02:00
virt KVM: arm64: Ignore PMCNTENSET_EL0 while checking for overflow status 2024-12-19 18:05:04 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Remove *.orig pattern from .gitignore 2024-11-08 16:20:33 +01:00
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS platform: Add Surface platform directory 2025-06-27 11:02:56 +01:00
Makefile Linux 5.4.301 2025-10-29 14:00:02 +01:00
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.