[PATCH net-next 0/6] net: pcs: add supported_interfaces bitmap for PCS
Russell King (Oracle)
linux at armlinux.org.uk
Fri Jan 3 03:16:06 PST 2025
Hi,
This series adds supported_interfaces for PCS, which gives MAC code a
way to determine the interface modes that the PCS supports without
having to implement functions such as xpcs_get_interfaces(), or
workarounds such as in
https://lore.kernel.org/r/20241213090526.71516-3-maxime.chevallier@bootlin.com
Patch 1 adds the new bitmask to struct phylink_pcs, and code within
phylink to validate that the PCS returned by the MAC driver supports
the interface mode - but only if this bitmask is non-empty.
Patch 2 through 4 fills in the interface modes for XPCS, Mediatek LynxI
and Lynx PCS.
Patch 5 adds support to stmmac to make use of this bitmask when filling
in phylink_config.supported_interfaces, eliminating the call to
xpcs_get_interfaces.
As xpcs_get_interfaces() is now unused outside of pcs-xpcs.c, patch 6
makes this function static and removes it from the header file.
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 11 +++++++++--
drivers/net/pcs/pcs-lynx.c | 13 +++++++++++++
drivers/net/pcs/pcs-mtk-lynxi.c | 4 ++++
drivers/net/pcs/pcs-xpcs.c | 5 +++--
drivers/net/phy/phylink.c | 11 +++++++++++
include/linux/pcs/pcs-xpcs.h | 1 -
include/linux/phylink.h | 3 +++
7 files changed, 43 insertions(+), 5 deletions(-)
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