Jaeden Amero 2c29b2354a
net/macb: Only adjust tx_clk on link change ...
The PHY state machine (in drivers/net/phy/phy.c) will unconditionally
call phydev->adjust_link (macb_handle_link_change) when polling in the
PHY_CHANGELINK state. As currently written, macb always ends up
requesting a new tx_clk frequency in macb_handle_link_change. It is a
waste of time to request a new tx_clk frequency if the link state hasn't
changed, as the tx_clk will already be configured properly.
Let's only request a new tx_clk clock frequency when necessary.
Signed-off-by: Jaeden Amero <jaeden.amero@ni.com >
Cc: Josh Cartwright <joshc@ni.com >
Cc: Soren Brinkmann <soren.brinkmann@xilinx.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
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2c29b2354a