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linux/drivers
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Aleksei Sviridkin d876c9cb2d net: ethernet: mtk_eth_soc: populate lpi_interfaces to fix EEE support 
phylink_create() decides once and for all that a MAC supports managed
EEE, and it requires the tx_lpi ops plus non-empty lpi_capabilities and
lpi_interfaces. mtk_add_mac() leaves lpi_interfaces empty.

So ever since EEE support was added, ethtool has answered "Not
supported" on every MAC that uses mtk_phylink_ops, and
phy_disable_eee() has locked userspace out of turning EEE on. MT7628
is unaffected, as rt5350_phylink_ops has no tx_lpi methods.

Leave 2.5 Gbps out of both bitmaps, and the xGMII modes that
mtk_mac_enable_tx_lpi() already refuses. MAC_MCR folds SPEED_2500 onto
MAC_MCR_SPEED_1000, so MAC_MCR_EEE1G would govern LPI on such a link,
and that is unvalidated rather than known unsupported: MediaTek's SDK
driver sets the EEE force bits for 100 Mbps and 1 Gbps only, and the
unit of the wakeup timers is undocumented with the port clock at
2.5 times the rate.

mtk_mac_enable_tx_lpi() programs wake-up times taken from MT7531's
reset values, and the SoC's own field has no reset value to fall
back on. Only MT7981 has been seen to exit LPI cleanly with them, so
the LPI interfaces sit behind a new MTK_GMAC_EEE capability that only
MT7981 sets; every other SoC keeps the current behaviour until it has
been confirmed.

LPI stays off until userspace enables it, but the EEE advertisement of
a PHY that advertises it out of reset comes back, since phylink stops
force-clearing it.

Fixes: 952d732536 ("net: ethernet: mediatek: add EEE support")
Signed-off-by: Aleksei Sviridkin <f@lex.la>
Link: https://patch.msgid.link/20260903123644.23800-3-f@lex.la
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2026-09-10 13:31:28 +02:00
..
accel drm for 7.3-rc1 2026-08-21 08:41:00 -07:00
accessibility
acpi Revert "ACPI: scan: Defer device power initialization" 2026-08-27 16:03:20 +02:00
amba
android Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
ata pci-v7.3-changes 2026-08-23 12:44:10 -07:00
atm
auxdisplay auxdisplay for v7.3-1 2026-08-24 08:15:59 -07:00
base mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
bcma
block mm.git review status for linus..mm-stable 2026-08-27 09:17:06 -07:00
bluetooth Bluetooth: btusb: Fix leaked runtime PM reference in btusb_reset 2026-09-08 17:18:47 -04:00
bus Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
cache
cdrom
cdx
char ipmi: Fix some minor issues, add async init 2026-08-28 16:32:12 -07:00
clk MFD for v7.3 2026-08-27 10:45:08 -07:00
clocksource hyperv-next for v7.3-rc1 2026-08-26 16:47:40 -07:00
comedi
connector
counter Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
cpufreq More power management updates for 7.3-rc1 2026-08-26 14:13:26 -07:00
cpuidle MFD for v7.3 2026-08-27 10:45:08 -07:00
crypto dmaengine updates for v7.3 2026-08-24 12:21:15 -07:00
cxl
dax mm.git review status for mm-hotfixes-stable..mm-stable 2026-08-20 18:17:08 -07:00
dca
devfreq
dibs dibs: Unregister dibs_class after error 2026-09-04 16:12:24 -07:00
dio
dma dmaengine updates for v7.3 2026-08-24 12:21:15 -07:00
dma-buf Linux 7.2 2026-08-20 10:58:44 +10:00
dpll Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-08-18 10:42:41 -07:00
edac - Mark the mpc85xx and ThunderX EDAC drivers as orphaned due to lack of 2026-08-31 20:10:39 -07:00
eisa
extcon
firewire firewire updates for v7.3 2026-08-22 08:41:28 -07:00
firmware remoteproc updates for v7.3 2026-08-25 14:03:31 -07:00
fpga Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
fsi
fwctl rust: introduce abstractions for fwctl 2026-08-14 19:21:17 -03:00
gnss
gpib Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
gpio gpio updates for v7.3-rc1 2026-08-19 09:10:07 -07:00
gpu drm next/fixes for 7.3-rc1 2026-08-28 16:37:55 -07:00
greybus
hid platform-drivers-x86 for v7.3-1 2026-08-24 10:16:35 -07:00
hsi HSI changes for the 7.3 series 2026-08-21 12:01:23 -07:00
hte
hv hyperv-next for v7.3-rc1 2026-08-26 16:47:40 -07:00
hwmon Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
hwspinlock
hwtracing Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
i2c i2c-fixes for v7.3-rc1 2026-08-30 10:53:24 -07:00
i3c i3c: dw: reduce do_daa time if there's no client 2026-08-19 09:28:33 +02:00
idle
iio More thermal control updates for 7.3-rc1 2026-08-26 14:21:30 -07:00
infiniband Including fixes from Bluetooth, IPSec and Netfilter. 2026-08-27 13:53:43 -07:00
input Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
interconnect This pull request contains the following interconnect updates for 2026-08-19 09:55:37 +02:00
iommu dma-mapping updates for Linux 7.3: 2026-08-24 11:35:46 -07:00
ipack Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
irqchip pci-v7.3-changes 2026-08-23 12:44:10 -07:00
leds LEDs for v7.3 2026-08-27 11:05:51 -07:00
macintosh
mailbox mailbox: add Axiado AX3005 mailbox driver 2026-08-23 15:41:13 -05:00
mcb
md dm-ebs: fix incorrect device offset check in ebs_ctr() 2026-09-02 17:01:13 +02:00
media USB / Thunderbolt changes for 7.3-rc1 2026-08-25 10:44:46 -07:00
memory * Raw NAND changes 2026-08-23 09:11:21 -07:00
memstick
message
mfd MFD for v7.3 2026-08-27 10:45:08 -07:00
misc Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
mmc MMC core: 2026-08-21 11:58:08 -07:00
most
mtd This pull request contains updates for UBI and UBIFS: 2026-08-28 10:59:07 -07:00
mux
net net: ethernet: mtk_eth_soc: populate lpi_interfaces to fix EEE support 2026-09-10 13:31:28 +02:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-08-18 10:42:41 -07:00
ntb NTB: ntb_transport: Reject oversized TX buffers 2026-08-20 13:43:24 -07:00
nubus
nvdimm vhost,vdpa,virtio: fixes, features 2026-08-20 17:07:50 -07:00
nvme dmaengine updates for v7.3 2026-08-24 12:21:15 -07:00
nvmem Char/Misc/IIO/etc driver update for 7.3-rc1 2026-08-25 09:38:50 -07:00
of Devicetree fixes for v7.3, part 1: 2026-08-27 12:53:43 -07:00
opp
parisc parisc: eisa: Fix infinite loop when parsing invalid IRQ value 2026-08-18 11:43:05 +02:00
parport
pci hyperv-next for v7.3-rc1 2026-08-26 16:47:40 -07:00
pcmcia
peci
perf RISC-V updates for v7.3 2026-08-20 14:53:54 -07:00
phy Mostly the usual clk driver updates and new SoC additions plus non-critical 2026-08-26 11:14:30 -07:00
pinctrl Pin control bulk changes for kernel v7.3 2026-08-24 08:46:03 -07:00
platform MFD for v7.3 2026-08-27 10:45:08 -07:00
pmdomain Mostly the usual clk driver updates and new SoC additions plus non-critical 2026-08-26 11:14:30 -07:00
pnp
power power sequencing updates for v7.3-rc1 2026-08-26 08:45:09 -07:00
powercap More power management updates for 7.3-rc1 2026-08-26 14:13:26 -07:00
pps
ps3
ptp ptp: netc: fix period truncation and potential divide-by-zero in PEROUT 2026-08-22 12:34:39 -07:00
pwm Driver core changes for 7.3-rc1 2026-08-19 10:42:18 -07:00
rapidio
ras - Mark the mpc85xx and ThunderX EDAC drivers as orphaned due to lack of 2026-08-31 20:10:39 -07:00
regulator regulator: Fix for v7.3 2026-08-27 12:21:56 -07:00
remoteproc
resctrl arm64 updates for 7.3 2026-08-18 11:57:17 -07:00
reset Mostly the usual clk driver updates and new SoC additions plus non-critical 2026-08-26 11:14:30 -07:00
rpmsg
rtc RTC for 7.3 2026-08-28 09:53:43 -07:00
s390 s390/qeth: allow bridgeport queries despite OS_MISMATCH 2026-09-07 16:39:26 -07:00
sbus
scsi SCSI updates for 7.3 2026-08-29 11:55:36 -07:00
sh
siox
slimbus
soc remoteproc updates for v7.3 2026-08-25 14:03:31 -07:00
soundwire soundwire updates for 7.3 2026-08-24 12:16:16 -07:00
spi spi: Fixes for v7.3 2026-08-27 12:38:05 -07:00
spmi
ssb
staging Staging driver updates for 7.3-rc1 2026-08-25 10:16:19 -07:00
target USB / Thunderbolt changes for 7.3-rc1 2026-08-25 10:44:46 -07:00
tc
tee soc: drivers for 7.3 2026-08-18 19:40:29 -07:00
thermal MFD for v7.3 2026-08-27 10:45:08 -07:00
thunderbolt thunderbolt: Changes for v7.3 merge window 2026-08-19 10:01:59 +02:00
tty TTY / Serial driver updates for 7.3-rc1 2026-08-25 10:59:12 -07:00
ufs SCSI updates for 7.3 2026-08-29 11:55:36 -07:00
uio
usb Including fixes from Bluetooth, IPSec and Netfilter. 2026-08-27 13:53:43 -07:00
vdpa vduse: Add suspend 2026-08-19 06:38:48 -04:00
vfio mm.git review status for mm-hotfixes-stable..mm-stable 2026-08-20 18:17:08 -07:00
vhost vhost,vdpa,virtio: fixes, features 2026-08-20 17:07:50 -07:00
video Backlight for v7.3 2026-08-27 11:16:39 -07:00
virt arm64 updates for 7.3 2026-08-18 11:57:17 -07:00
virtio virtio_ring: fix infinite loop in virtnet_poll_cleantx when device is broken 2026-08-19 06:38:47 -04:00
w1
watchdog MFD for v7.3 2026-08-27 10:45:08 -07:00
xen dma-mapping updates for Linux 7.3: 2026-08-24 11:35:46 -07:00
zorro
Kconfig
Makefile