AuxXxilium/linux_dsm_epyc7002
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d6ab933647
linux_dsm_epyc7002/drivers/net/phy
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Florian Fainelli d6ab933647 net: phy: marvell: Avoid unnecessary soft reset 
The BMCR.RESET bit on the Marvell PHYs has a special meaning in that
it commits the register writes into the HW for it to latch and be
configured appropriately. Doing software resets causes link drops, and
this is unnecessary disruption if nothing changed.

Determine from marvell_set_polarity()'s return code whether the register value
was changed and if it was, propagate that to the logic that hits the software
reset bit.

This avoids doing unnecessary soft reset if the PHY is configured in
the same state it was previously, this also eliminates the need for a
m88e1111_config_aneg() function since it now is the same as
marvell_config_aneg().

Tested-by: Wang, Dongsheng <dongsheng.wang@hxt-semitech.com>
Tested-by: Chris Healy <cphealy@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Clemens Gruber <clemens.gruber@pqgruber.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-25 20:26:45 -07:00
..
amd.c
aquantia.c net: phy: aquantia: Utilize genphy_c45_aneg_done() 2018-03-01 21:23:34 -05:00
asix.c net-next: phy: new Asix Electronics PHY driver 2018-04-19 16:11:10 -04:00
at803x.c net: phy: fix wrong masks to phy_modify() 2018-01-08 14:20:21 -05:00
bcm7xxx.c net: phy: Add support for Broadcom Omega internal Combo GPHY 2018-08-07 15:48:38 -07:00
bcm63xx.c
bcm87xx.c
bcm-cygnus.c net: phy: broadcom: Fix bcm_write_exp() 2018-05-23 15:27:01 -04:00
bcm-phy-lib.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-26 19:46:15 -04:00
bcm-phy-lib.h net: phy: broadcom: Fix bcm_write_exp() 2018-05-23 15:27:01 -04:00
broadcom.c net: phy: broadcom: Enable 125 MHz clock on LED4 pin for BCM54612E by default. 2018-06-05 09:43:09 -04:00
cicada.c
cortina.c net: phy: cortina: Utilize generic functions 2018-03-01 21:23:35 -05:00
davicom.c
dp83tc811.c net: phy: DP83TC811: Fix SGMII enable/disable 2018-07-03 11:38:07 +09:00
dp83640_reg.h
dp83640.c net: dp83640: Mark expected switch fall-throughs 2018-08-11 11:28:34 -07:00
dp83822.c
dp83848.c net: phy: dp83822: use BMCR_ANENABLE instead of BMSR_ANEGCAPABLE for DP83620 2018-06-10 12:38:03 -07:00
dp83867.c net: phy: dp83867: Add binding for the CLK_OUT pin muxing option 2018-02-14 15:33:43 -05:00
et1011c.c net: phy: et011c: Remove incorrect PHY_POLL flags 2018-09-16 15:31:01 -07:00
fixed_phy.c net: phy: fixed-phy: Make the error path simpler 2018-06-24 16:41:58 +09:00
icplus.c
intel-xway.c net: phy: intel-xway: add VR9 v1.1 phy ids 2018-03-23 13:19:49 -04:00
Kconfig net: phy: bcm63xx: Allow to be built with COMPILE_TEST 2018-09-12 20:24:20 -07:00
lxt.c
Makefile net: phy: mscc-miim: Add MDIO driver 2018-05-15 16:41:15 -04:00
marvell10g.c net: phy: marvell10g: add thermal hwmon device 2018-04-04 11:24:54 -04:00
marvell.c net: phy: marvell: Avoid unnecessary soft reset 2018-09-25 20:26:45 -07:00
mdio_bus.c net: mdio: remove duplicated include from mdio_bus.c 2018-09-17 19:52:44 -07:00
mdio_device.c phylib: rename reset-(post-)delay-us to reset-(de)assert-us 2017-12-27 11:06:50 -05:00
mdio-bcm-iproc.c
mdio-bcm-unimac.c net: phy: mdio-bcm-unimac: Allow configuring MDIO clock divider 2018-09-21 19:08:24 -07:00
mdio-bitbang.c net: phy: mdio-bitbang: Remove reset support 2018-04-19 15:59:10 -04:00
mdio-boardinfo.c net: phy: mdio-boardinfo: Allow recursive mdiobus_register() 2018-04-20 10:33:26 -04:00
mdio-boardinfo.h
mdio-cavium.c
mdio-cavium.h
mdio-gpio.c net: phy: mdio-gpio: Cut surplus includes 2018-06-12 15:23:55 -07:00
mdio-hisi-femac.c
mdio-i2c.c
mdio-i2c.h
mdio-moxart.c
mdio-mscc-miim.c drivers: net: Remove device_node checks with of_mdiobus_register() 2018-05-16 14:20:36 -04:00
mdio-mux-bcm-iproc.c net: phy: Add pm support to Broadcom iProc mdio mux driver 2018-08-02 14:36:49 -07:00
mdio-mux-gpio.c mdio-mux-gpio: Remove VLA usage 2018-06-26 23:24:07 +09:00
mdio-mux-mmioreg.c net: phy: mdio-mux: slience probe defer error 2018-03-07 12:39:59 -05:00
mdio-mux.c
mdio-octeon.c
mdio-sun4i.c mdio-sun4i: Fix a memory leak 2018-01-08 14:30:28 -05:00
mdio-thunder.c
mdio-xgene.c
mdio-xgene.h
meson-gxl.c
micrel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-21 16:01:54 -04:00
microchip_t1.c microchip_t1: Add driver for Microchip LAN87XX T1 PHYs 2018-05-10 14:16:36 -04:00
microchip.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-04-21 16:32:48 -04:00
mscc.c net: phy: mscc: read 'vsc8531, led-%d-mode' as an u32 2018-09-04 10:47:53 -07:00
national.c
phy_device.c net: phy: Stop with excessive soft reset 2018-09-25 20:26:45 -07:00
phy_led_triggers.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
phy-c45.c net: phy: Fix spelling mistake: "advertisment"-> "advertisement" 2018-03-04 18:11:54 -05:00
phy-core.c net: phy: Fix spelling mistake: "advertisment"-> "advertisement" 2018-03-04 18:11:54 -05:00
phy.c net: phy: don't reschedule state machine when PHY is halted 2018-09-21 18:59:29 -07:00
phylink.c net: phy: phylink: ensure the carrier is off when starting phylink 2018-09-19 21:15:01 -07:00
qsemi.c
realtek.c net: phy: realtek: Support RTL8366RB variant 2018-07-18 13:43:38 +09:00
rockchip.c
sfp-bus.c sfp: fix oops with ethtool -m 2018-09-18 20:14:19 -07:00
sfp.c net: phy: sfp: Handle unimplemented hwmon limits and alarms 2018-09-04 12:22:41 -07:00
sfp.h
smsc.c drivers: net: replace UINT64_MAX with U64_MAX 2018-04-27 20:18:55 -04:00
spi_ks8995.c drivers/net: Use octal not symbolic permissions 2018-03-26 12:07:49 -04:00
ste10Xp.c net: phy: ste10Xp: Remove wrong SUPPORTED_Pause 2018-09-12 20:24:20 -07:00
swphy.c
swphy.h
teranetics.c net: phy: teranetics: Utilize generic functions 2018-03-01 21:23:34 -05:00
uPD60620.c
vitesse.c net: phy: vitesse: Add support for VSC73xx 2018-07-04 11:30:02 +09:00
xilinx_gmii2rgmii.c net: phy: xgmiitorgmii: Check read_status results 2018-06-28 16:12:06 +09:00