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linux/drivers/net/phy
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Alexander Sverdlin b94773dc4d net: phy: intel-xway: workaround 100BASE-TX Link-Up issue 
MaxLinear GSW12x/GSW14x Ethernet Switch Errata Sheet states:
"An issue has been sporadically observed after device power-on on the first
link-up attempt in 100BASE-TX mode resulting in either the link-up taking a
long time, or failing to link-up altogether...

Workaround:
After power-on, enable Cable Diagnostic Mode for all ports and disable
it..."

Implement the proposed workaround unconditionally in the Intel XWAY driver
(MaxLinear GSW1xx switches incorporate Intel XWAY PHYs) because the
diagnostic bits have the same meaning even in older integral PHYs such as
GPY111/PEF7071/PHY11G. So it's not clear how to distinguish the affected
newer integrated PHYs, but the workaround should not hurt the older PHYs.

Cc: stable@vger.kernel.org
Fixes: 22335939ec ("net: dsa: add driver for MaxLinear GSW1xx switch family")
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260922075251.23386-1-alexander.sverdlin@siemens.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-09-24 10:21:20 -07:00
..
aquantia net: phy: aquantia: use ADVERTISE_XNP for extended next page advertising 2026-04-29 17:30:05 -07:00
mediatek net: phy: mediatek: do not report link and per-speed LED rules together 2026-09-14 19:01:51 -07:00
mscc Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
qcom net: phy: at803x: Use a helper to check for phy reset existence 2026-07-17 15:43:32 +02:00
realtek Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-08-13 11:00:14 -07:00
adin.c net: phy: adin: enable configuration of the LP Termination Register 2026-01-15 19:36:04 -08:00
adin1100.c net: phy: adin1100: Simplify register value passing 2025-11-20 18:03:59 -08:00
adin1140-phy.c net: phy: Add support for the ADIN1140 PHY 2026-07-21 10:53:24 +02:00
air_an8801.c net: phy: air_an8801: ensure maximum available speed link use 2026-05-27 18:39:24 -07:00
air_en8811h.c net: phy: air_en8811h: move LED GPIO configuration to config_init 2026-08-27 11:47:01 +02:00
air_phy_lib.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-05-28 14:02:21 -07:00
air_phy_lib.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-05-28 14:02:21 -07:00
amd.c
as21xxx.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
ax88796b_rust.rs drivers: net: replace kernel::c_str! with C-Strings 2026-01-05 16:32:39 -08:00
ax88796b.c
bcm-cygnus.c
bcm-phy-lib.c net: phy: broadcom: Save PHY counters during suspend 2026-05-07 08:36:47 -07:00
bcm-phy-lib.h net: phy: broadcom: Save PHY counters during suspend 2026-05-07 08:36:47 -07:00
bcm-phy-ptp.c net: phy: broadcom: add HW timestamp configuration reporting 2025-11-26 16:56:34 -08:00
bcm7xxx.c net: phy: broadcom: Save PHY counters during suspend 2026-05-07 08:36:47 -07:00
bcm63xx.c
bcm87xx.c
bcm54140.c
bcm84881.c net: phy: bcm84881: add LED framework support for BCM84891/BCM84892 2026-04-02 17:59:43 -07:00
broadcom.c net: phy: broadcom: Save PHY counters during suspend 2026-05-07 08:36:47 -07:00
cicada.c
cortina.c
dap8211r.c net: phy: add DAPU Telecom DAP8211R(I) Gigabit Ethernet PHY driver 2026-08-10 15:30:25 -07:00
davicom.c
dp83tc811.c net: phy: DP83TC811: add reading of abilities 2026-05-14 15:17:12 +02:00
dp83td510.c net: phy: dp83td510: handle the active-high LED polarity mode 2026-09-10 08:47:22 -07:00
dp83tg720.c
dp83640_reg.h
dp83640.c net: phy: dp83640: fix per-bus clock lifetime 2026-08-13 17:30:15 -07:00
dp83822.c net: phy: dp83822: Add optional external PHY clock 2026-06-02 11:38:00 -07:00
dp83848.c
dp83867.c net: phy: dp83867: handle the active-high LED polarity mode 2026-09-10 08:02:06 -07:00
dp83869.c net: phy: dp83869: fix setting CLK_O_SEL field. 2026-04-28 15:51:55 +02:00
et1011c.c
fixed_phy.c net: phy: fixed_phy: replace IDA with a bitmap 2026-01-13 18:58:49 -08:00
icplus.c
intel-xway.c net: phy: intel-xway: workaround 100BASE-TX Link-Up issue 2026-09-24 10:21:20 -07:00
Kconfig net: phy: add DAPU Telecom DAP8211R(I) Gigabit Ethernet PHY driver 2026-08-10 15:30:25 -07:00
linkmode.c
lxt.c
Makefile net: phy: add DAPU Telecom DAP8211R(I) Gigabit Ethernet PHY driver 2026-08-10 15:30:25 -07:00
marvell-88q2xxx.c net: phy: marvell-88q2xxx: Fix clamped value in mv88q2xxx_hwmon_write 2025-12-04 17:49:31 -08:00
marvell-88x2222.c net: phy: marvell-88x2222: Support SFP through phy_port interface 2026-01-13 18:52:35 -08:00
marvell.c net: phy: marvell: fix return code 2026-07-20 17:51:46 -07:00
marvell10g.c net: phy: marvell10g: Support SFP through phy_port 2026-01-13 18:52:35 -08:00
mdio_bus_provider.c Networking changes for 7.1. 2026-04-14 18:36:10 -07:00
mdio_bus.c net: phy: move remaining provider code to mdio_bus_provider.c 2026-03-14 12:23:02 -07:00
mdio_device.c net: phy: drop duplicated header include in mdio-device 2026-07-21 08:28:49 -07:00
mdio_devres.c
mdio-open-alliance.h net: phy: phy-c45: add SQI and SQI+ support for OATC14 10Base-T1S PHYs 2025-12-01 15:08:24 -08:00
meson-gxl.c
micrel.c net: phy: micrel: Advance register data pointer in write loop 2026-09-18 17:07:41 -07:00
microchip_rds_ptp.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
microchip_rds_ptp.h
microchip_t1.c net: remove conditional return with no effect 2026-07-30 13:04:03 +02:00
microchip_t1s.c net: phy: microchip-t1s: use generic C45 MMD access helpers 2026-07-21 10:53:24 +02:00
microchip.c net: phy: microchip: enable downshift by default on LAN88xx 2026-04-02 18:03:03 -07:00
mii_timestamper.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
motorcomm.c net: phy: motorcomm: enable the reference clock for YT8521 2026-08-03 17:48:37 -07:00
mxl-86110.c net: phy: mxl-86110: Add power management and soft reset support 2026-01-04 09:53:33 -08:00
mxl-gpy.c net: phy: mxl-gpy: add PHY-level statistics via ethtool 2026-03-17 16:07:40 -07:00
national.c
ncn26000.c
nxp-c45-tja11xx-macsec.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
nxp-c45-tja11xx.c net: phy: nxp-c45-tja11xx: add HW timestamp configuration reporting 2025-11-26 16:56:34 -08:00
nxp-c45-tja11xx.h
nxp-cbtx.c
nxp-tja11xx.c net: phy: nxp-tja11xx: cancel registration work on remove 2026-08-05 17:50:03 -07:00
open_alliance_helpers.c
open_alliance_helpers.h
phy_caps.c net: ethtool: Add support for 80Gbps speed 2026-01-19 12:09:58 -08:00
phy_device.c net: phy: add generic helpers for direct C45 MMD access 2026-07-21 10:53:24 +02:00
phy_led_triggers.c Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
phy_link_topology.c net: ethtool: make dev->hwprov ops-protected 2026-06-09 10:13:04 -07:00
phy_package.c net: phy: add PHY package locking helpers 2026-08-13 17:29:53 -07:00
phy_port.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
phy-c45.c net: phy: c45: add setup and read master/slave helpers 2026-07-31 18:22:48 -07:00
phy-caps.h net: ethtool: Add support for 80Gbps speed 2026-01-19 12:09:58 -08:00
phy-core.c net: ethtool: Add support for 80Gbps speed 2026-01-19 12:09:58 -08:00
phy.c net: phy: add a PHY write barrier when disabling interrupts 2026-04-12 14:19:19 -07:00
phylib-internal.h net: phy: move remaining provider code to mdio_bus_provider.c 2026-03-14 12:23:02 -07:00
phylib.h net: phy: add PHY package locking helpers 2026-08-13 17:29:53 -07:00
phylink.c net: phylink: record the PHY only once bringup cannot fail 2026-09-24 09:36:05 -07:00
qsemi.c
qt2025.rs drivers: net: replace kernel::c_str! with C-Strings 2026-01-05 16:32:39 -08:00
rockchip.c
sfp-bus.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
sfp.c net: sfp: add quirks for OEM XGSPONST2001 and FS XGS-SFP-ONT-MACI 2026-08-17 13:28:38 -07:00
sfp.h net: sfp: allow prefix matching in quirk lookup 2026-08-17 13:28:38 -07:00
smsc.c
ste10Xp.c
stubs.c
swphy.c
swphy.h
teranetics.c
uPD60620.c
vitesse.c net: phy: vitesse: add inband caps and configuration 2026-03-12 17:55:33 -07:00
xilinx_gmii2rgmii.c