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8c6123e150
linux/drivers/net/dsa
History
Alex Marginean 8c6123e150 net: dsa: felix: Don't restart PCS SGMII AN if not needed 
Some PHYs like VSC8234 don't like it when AN restarts on their system side
and they restart line side AN too, going into an endless link up/down loop.
Don't restart PCS AN if link is up already.

Although in theory this feedback loop should be possible with the other
in-band AN modes too, for some reason it was not seen with the VSC8514
QSGMII and AQR412 USXGMII PHYs. So keep this logic only for SGMII where
the problem was found.

Fixes: bdeced75b1 ("net: dsa: felix: Add PCS operations for PHYLINK")
Suggested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-17 13:17:49 +01:00
..
b53 net: dsa: b53: Enable Broadcom tags for 531x5/539x families 2020-01-08 16:01:13 -08:00
microchip net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
mv88e6xxx Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-01-09 12:13:43 -08:00
ocelot net: dsa: felix: Don't restart PCS SGMII AN if not needed 2020-01-17 13:17:49 +01:00
qca net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
sja1105 net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
bcm_sf2_cfp.c net: dsa: bcm_sf2: Fix IP fragment location and behavior 2019-12-24 16:08:49 -08:00
bcm_sf2_regs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
bcm_sf2.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-09 11:04:37 -08:00
bcm_sf2.h net: dsa: bcm_sf2: Add support for optional reset controller line 2019-11-05 18:06:38 -08:00
dsa_loop_bdinfo.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
dsa_loop.c net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
dsa_loop.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig net: dsa: vsc73xx: Remove dependency on CONFIG_OF 2020-01-05 14:23:48 -08:00
lan9303_i2c.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
lan9303_mdio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
lan9303-core.c net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
lan9303.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
lantiq_gswip.c net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
lantiq_pce.h net: dsa: Use the correct style for SPDX License Identifier 2019-09-22 15:25:08 -07:00
Makefile net: dsa: add support for Atheros AR9331 built-in switch 2019-12-20 17:05:47 -08:00
mt7530.c net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
mt7530.h net: dsa: mt7530: Add support for port 5 2019-09-05 00:28:23 +02:00
mv88e6060.c net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
mv88e6060.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
qca8k.c net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
qca8k.h net: dsa: qca8k: introduce reset via gpio feature 2019-06-27 11:17:30 -07:00
realtek-smi-core.c net: dsa: remove dsa_switch_alloc helper 2019-10-22 12:37:07 -07:00
realtek-smi-core.h net: dsa: fix warning same module names 2019-06-14 19:28:54 -07:00
rtl8366.c net: dsa: rtl8366: Check VLAN ID and not ports 2019-10-02 12:09:23 -04:00
rtl8366rb.c net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
vitesse-vsc73xx-core.c net: dsa: Get information about stacked DSA protocol 2020-01-08 16:01:13 -08:00
vitesse-vsc73xx-platform.c net: dsa: vsc73xx: add support for parallel mode 2019-07-07 14:16:32 -07:00
vitesse-vsc73xx-spi.c net: dsa: vsc73xx: Split vsc73xx driver 2019-07-07 14:16:32 -07:00
vitesse-vsc73xx.h net: dsa: vsc73xx: Split vsc73xx driver 2019-07-07 14:16:32 -07:00