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linux/drivers/net/phy
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Maxime Chevallier d4e6cb324d net: phy: phy_caps: Don't skip better duplex macth on non-exact match 
When performing a non-exact phy_caps lookup, we are looking for a
supported mode that matches as closely as possible the passed speed/duplex.

Blamed patch broke that logic by returning a match too early in case
the caller asks for half-duplex, as a full-duplex linkmode may match
first, and returned as a non-exact match without even trying to mach on
half-duplex modes.

Reported-by: Jijie Shao <shaojijie@huawei.com>
Closes: https://lore.kernel.org/netdev/20250603102500.4ec743cf@fedora/T/#m22ed60ca635c67dc7d9cbb47e8995b2beb5c1576
Tested-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com>
Fixes: fc81e257d1 ("net: phy: phy_caps: Allow looking-up link caps based on speed and duplex")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20250606094321.483602-1-maxime.chevallier@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-12 08:00:53 -07:00
..
aquantia net: phy: aquantia: fix commenting format 2025-04-29 15:13:21 -07:00
mediatek net: phy: mediatek: Add Airoha AN7583 PHY support 2025-05-27 17:07:53 -07:00
mscc net: phy: mscc: Stop clearing the the UDPv4 checksum for L2 frames 2025-05-28 09:11:19 +02:00
qcom net: phy: qca807x: use new phy_package_shared getters 2025-03-05 19:13:52 -08:00
realtek net: phy: pass PHY driver to .match_phy_device OP 2025-05-21 15:56:09 -07:00
adin.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
adin1100.c net: phy: Allow loopback speed selection for PHY drivers 2025-03-20 08:45:08 +01:00
air_en8811h.c net: phy: air_en8811h: Add clk provider for CKO pin 2025-04-11 18:35:04 -07:00
amd.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
as21xxx.c net: phy: Add support for Aeonsemi AS21xxx PHYs 2025-05-21 15:56:10 -07:00
ax88796b.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
ax88796b_rust.rs rust: module: introduce authors key 2025-03-10 15:12:17 +01:00
bcm-cygnus.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
bcm-phy-lib.c
bcm-phy-lib.h
bcm-phy-ptp.c broadcom: fix supported flag check in periodic output function 2025-03-20 08:50:03 +01:00
bcm7xxx.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
bcm63xx.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
bcm87xx.c net: phy: bcm87xx: simplify .match_phy_device OP 2025-05-21 15:56:09 -07:00
bcm54140.c net: phy: move PHY package related code from phy.h to phy_package.c 2025-03-05 19:13:53 -08:00
bcm84881.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
broadcom.c net: phy: broadcom: Correct BCM5221 PHY model detection 2025-03-31 13:47:41 +01:00
cicada.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
cortina.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
davicom.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
dp83tc811.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
dp83td510.c net: phy: dp83td510: introduce LED framework support 2025-02-10 17:49:19 -08:00
dp83tg720.c net: phy: dp83tg720: Add randomized polling intervals for link detection 2025-02-12 10:49:03 -08:00
dp83640.c net: ptp: introduce .supported_perout_flags to ptp_clock_info 2025-04-15 20:20:58 -07:00
dp83640_reg.h
dp83822.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-04-24 11:20:52 -07:00
dp83848.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
dp83867.c net: phy: dp83867: use 2ns delay if not specified in DTB 2025-05-12 18:43:35 -07:00
dp83869.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
et1011c.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
fixed_phy.c net: phy: fixed_phy: constify status argument where possible 2025-05-20 18:17:43 -07:00
icplus.c net: phy: pass PHY driver to .match_phy_device OP 2025-05-21 15:56:09 -07:00
intel-xway.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
Kconfig net: phy: add driver for MaxLinear MxL86110 PHY 2025-05-27 09:36:17 +02:00
linkmode.c
lxt.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
Makefile net: phy: add driver for MaxLinear MxL86110 PHY 2025-05-27 09:36:17 +02:00
marvell-88q2xxx.c net: phy: marvell-88q2xxx: Enable temperature measurement in probe again 2025-05-15 12:32:09 +02:00
marvell-88x2222.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
marvell.c net: phy: marvell: Align set_loopback() implementation 2025-03-20 08:45:08 +01:00
marvell10g.c net: phy: pass PHY driver to .match_phy_device OP 2025-05-21 15:56:09 -07:00
mdio-boardinfo.c
mdio-boardinfo.h
mdio-open-alliance.h
mdio_bus.c net/mdiobus: Fix potential out-of-bounds clause 45 read/write access 2025-06-11 12:49:03 +01:00
mdio_bus_provider.c net: phy: factor out provider part from mdio_bus.c 2025-05-01 18:03:29 -07:00
mdio_device.c net: phy: make mdio consumer / device layer a separate module 2025-05-20 12:22:47 +02:00
mdio_devres.c
meson-gxl.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
micrel.c net: phy: pass PHY driver to .match_phy_device OP 2025-05-21 15:56:09 -07:00
microchip.c net: phy: microchip: document where the LAN88xx PHYs are used 2025-05-16 16:27:54 -07:00
microchip_rds_ptp.c net: ptp: introduce .supported_perout_flags to ptp_clock_info 2025-04-15 20:20:58 -07:00
microchip_rds_ptp.h net: phy: microchip_rds_ptp: Header file library changes for PEROUT 2025-01-16 17:27:56 -08:00
microchip_t1.c net: phy: microchip_t1: Enable pin out specific to lan887x phy for PEROUT signal 2025-01-16 17:27:56 -08:00
microchip_t1s.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
mii_timestamper.c
motorcomm.c
mxl-86110.c net: phy: add driver for MaxLinear MxL86110 PHY 2025-05-27 09:36:17 +02:00
mxl-gpy.c net: phy: mxl-gpy: remove call to devm_hwmon_sanitize_name 2025-03-21 18:05:30 +01:00
national.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
ncn26000.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
nxp-c45-tja11xx-macsec.c
nxp-c45-tja11xx.c net: phy: nxp-c45-tja11xx: simplify .match_phy_device OP 2025-05-21 15:56:09 -07:00
nxp-c45-tja11xx.h
nxp-cbtx.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
nxp-tja11xx.c net: phy: pass PHY driver to .match_phy_device OP 2025-05-21 15:56:09 -07:00
open_alliance_helpers.c
open_alliance_helpers.h
phy-c45.c net: phy: fix genphy_c45_eee_is_active() for disabled EEE 2025-03-21 21:38:36 +01:00
phy-caps.h net: phylink: Use phy_caps to get an interface's capabilities and modes 2025-03-18 09:03:12 +01:00
phy-core.c net: phy: drop phy_settings and the associated lookup helpers 2025-03-18 09:03:11 +01:00
phy.c net: phy: Support speed selection for PHY loopback 2025-03-20 08:45:08 +01:00
phy_caps.c net: phy: phy_caps: Don't skip better duplex macth on non-exact match 2025-06-12 08:00:53 -07:00
phy_device.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-05-28 10:11:15 +02:00
phy_led_triggers.c net: phy: leds: fix memory leak 2025-04-22 18:25:18 -07:00
phy_link_topology.c phy: fix xa_alloc_cyclic() error handling 2025-03-19 09:57:37 +00:00
phy_package.c net: phy: remove remaining PHY package related definitions from phy.h 2025-03-05 19:13:53 -08:00
phylib-internal.h net: phy: move PHY package related code from phy.h to phy_package.c 2025-03-05 19:13:53 -08:00
phylib.h net: phy: move PHY package MMD access function declarations from phy.h to phylib.h 2025-03-17 19:07:54 +01:00
phylink.c net: phylink: Drop unused defines for SUPPORTED/ADVERTISED_INTERFACES 2025-04-29 11:26:34 -07:00
qsemi.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
qt2025.rs Rust changes for v6.15 2025-03-30 17:03:26 -07:00
rockchip.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
sfp-bus.c
sfp.c net: phy: sfp: Add support for SMBus module access 2025-03-25 09:10:55 -07:00
sfp.h
smsc.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
spi_ks8995.c
ste10Xp.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
stubs.c
swphy.c
swphy.h
teranetics.c net: phy: pass PHY driver to .match_phy_device OP 2025-05-21 15:56:09 -07:00
uPD60620.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
vitesse.c net: phy: Constify struct mdio_device_id 2025-01-14 15:01:32 -08:00
xilinx_gmii2rgmii.c net: phy: Allow loopback speed selection for PHY drivers 2025-03-20 08:45:08 +01:00