]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
net: dsa: mv88e6xxx: Increase wait after reset deactivation
authorAndreas Svensson <andreas.svensson@axis.com>
Tue, 30 May 2023 14:52:23 +0000 (16:52 +0200)
committerStefan Bader <stefan.bader@canonical.com>
Mon, 4 Sep 2023 09:10:24 +0000 (11:10 +0200)
commitd5b9a1bf9adf2b8cd8a83dfac4991b50ea1f6715
treeb73f0fdd82960e009574e08d3283c39978c3e386
parentb90204110d274b5e340e807efcbc4a5ad43ef86a
net: dsa: mv88e6xxx: Increase wait after reset deactivation

BugLink: https://bugs.launchpad.net/bugs/2029808
[ Upstream commit 3c27f3d53d588618d81d30d6712459a3cc9489b8 ]

A switch held in reset by default needs to wait longer until we can
reliably detect it.

An issue was observed when testing on the Marvell 88E6393X (Link Street).
The driver failed to detect the switch on some upstarts. Increasing the
wait time after reset deactivation solves this issue.

The updated wait time is now also the same as the wait time in the
mv88e6xxx_hardware_reset function.

Fixes: 7b75e49de424 ("net: dsa: mv88e6xxx: wait after reset deactivation")
Signed-off-by: Andreas Svensson <andreas.svensson@axis.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230530145223.1223993-1-andreas.svensson@axis.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
drivers/net/dsa/mv88e6xxx/chip.c