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net: dsa: mv88e6xx: fix supported_interfaces setup in mv88e6250_phyli…
…nk_get_caps() [ Upstream commit a4e3899 ] With the recent PHYLINK changes requiring supported_interfaces to be set, MV88E6250 family switches like the 88E6020 fail to probe - cmode is never initialized on these devices, so mv88e6250_phylink_get_caps() does not set any supported_interfaces flags. Instead of a cmode, on 88E6250 we have a read-only port mode value that encodes similar information. There is no reason to bother mapping port mode to the cmodes of other switch models; instead we introduce a mv88e6250_setup_supported_interfaces() that is called directly from mv88e6250_phylink_get_caps(). Fixes: de5c9bf ("net: phylink: require supported_interfaces to be filled") Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com> Link: https://lore.kernel.org/r/20240417103737.166651-1-matthias.schiffer@ew.tq-group.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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