linux/drivers
Vladimir Oltean af7cd0366e net: dsa: sja1105: Fix broken fixed-link interfaces on user ports
PHYLIB and PHYLINK handle fixed-link interfaces differently. PHYLIB
wraps them in a software PHY ("pseudo fixed link") phydev construct such
that .adjust_link driver callbacks see an unified API. Whereas PHYLINK
simply creates a phylink_link_state structure and passes it to
.mac_config.

At the time the driver was introduced, DSA was using PHYLIB for the
CPU/cascade ports (the ones with no net devices) and PHYLINK for
everything else.

As explained below:

commit aab9c4067d
Author: Florian Fainelli <f.fainelli@gmail.com>
Date:   Thu May 10 13:17:36 2018 -0700

  net: dsa: Plug in PHYLINK support

  Drivers that utilize fixed links for user-facing ports (e.g: bcm_sf2)
  will need to implement phylink_mac_ops from now on to preserve
  functionality, since PHYLINK *does not* create a phy_device instance
  for fixed links.

In the above patch, DSA guards the .phylink_mac_config callback against
a NULL phydev pointer.  Therefore, .adjust_link is not called in case of
a fixed-link user port.

This patch fixes the situation by converting the driver from using
.adjust_link to .phylink_mac_config.  This can be done now in a unified
fashion for both slave and CPU/cascade ports because DSA now uses
PHYLINK for all ports.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-29 21:48:54 -07:00
..
accessibility treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
acpi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 12 2019-05-21 11:28:45 +02:00
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ata treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18 2019-05-21 11:28:46 +02:00
atm SPDX update for 5.2-rc2, round 1 2019-05-21 12:33:38 -07:00
auxdisplay
base More power management updates for 5.2-rc1 2019-05-15 08:46:44 -07:00
bcma
block treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
bluetooth Bluetooth: hci_qca: Rename STATE_<flags> to QCA_<flags> 2019-05-05 19:34:00 +02:00
bus ARM: SoC-related driver updates 2019-05-16 09:19:14 -07:00
cdrom treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
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hwspinlock
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infiniband qed*: Add iWARP 100g support 2019-05-26 13:04:12 -07:00
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lightnvm treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
macintosh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
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mcb treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
md - Fix a particularly glaring oversight in a DM core commit from 5.1 that 2019-05-22 08:10:35 -07:00
media treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 24 2019-05-21 11:52:39 +02:00
memory treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
memstick treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 17 2019-05-21 11:28:46 +02:00
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misc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 17 2019-05-21 11:28:46 +02:00
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mtd treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
mux
net net: dsa: sja1105: Fix broken fixed-link interfaces on user ports 2019-05-29 21:48:54 -07:00
nfc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
ntb treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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nvmem treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
of of_net: Fix missing of_find_device_by_node ref count drop 2019-05-13 08:52:37 -07:00
opp treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
oprofile
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pci pci-v5.2-changes 2019-05-14 10:30:10 -07:00
pcmcia treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
perf First round of arm64 fixes for -rc2 2019-05-22 08:36:16 -07:00
phy treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
pinctrl treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
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power treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
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rapidio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
ras treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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reset treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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s390 s390 updates for the 5.2 merge window #2 2019-05-17 10:08:59 -07:00
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tty RISC-V Patches for the 5.2 Merge Window, Part 1 v3 2019-05-19 09:56:36 -07:00
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Kconfig counter: Introduce the Generic Counter interface 2019-04-25 21:33:37 +02:00
Makefile counter: Introduce the Generic Counter interface 2019-04-25 21:33:37 +02:00