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linux/drivers/net/ethernet/intel
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Jakub Kicinski bd7f14df94 ixgbe: fix probing of multi-port devices with one MDIO 
Ian reports that after upgrade from v5.8.14 to v5.9 only one
of his 4 ixgbe netdevs appear in the system.

Quoting the comment on ixgbe_x550em_a_has_mii():
 * Returns true if hw points to lowest numbered PCI B:D.F x550_em_a device in
 * the SoC.  There are up to 4 MACs sharing a single MDIO bus on the x550em_a,
 * but we only want to register one MDIO bus.

This matches the symptoms, since the return value from
ixgbe_mii_bus_init() is no longer ignored we need to handle
the higher ports of x550em without an error.

Fixes: 09ef193fef ("net: ethernet: ixgbe: check the return value of ixgbe_mii_bus_init()")
Reported-by: Ian Kumlien <ian.kumlien@gmail.com>
Tested-by: Ian Kumlien <ian.kumlien@gmail.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Link: https://lore.kernel.org/r/20201016232006.3352947-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 13:01:22 -07:00
..
e1000 e1000: remove unused and incorrect code 2020-10-13 19:44:01 -07:00
e1000e e1000e: Add support for Meteor Lake 2020-09-28 14:42:46 -07:00
fm10k net: intel: Remove in_interrupt() warnings 2020-09-29 14:02:54 -07:00
i40e i40e: Allow changing FEC settings on X722 if supported by FW 2020-10-13 19:44:01 -07:00
iavf Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-10-05 18:40:01 -07:00
ice ice: fix adding IP4 IP6 Flow Director rules 2020-10-09 13:14:19 -07:00
igb net: intel: Remove in_interrupt() warnings 2020-09-29 14:02:54 -07:00
igbvf intel-ethernet: clean up W=1 warnings in kdoc 2020-09-25 16:28:59 -07:00
igc net: intel: Remove in_interrupt() warnings 2020-09-29 14:02:54 -07:00
ixgb intel: handle unused assignments 2020-09-25 16:28:59 -07:00
ixgbe ixgbe: fix probing of multi-port devices with one MDIO 2020-10-18 13:01:22 -07:00
ixgbevf net: intel: Remove in_interrupt() warnings 2020-09-29 14:02:54 -07:00
e100.c net: e100: Remove in_interrupt() usage and pointless GFP_ATOMIC allocation 2020-09-29 14:02:54 -07:00
Kconfig ice: implement device flash update via devlink 2020-07-28 17:07:06 -07:00
Makefile