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net: stmmac: Speed down the PHY if WoL to save energy
authorJisheng Zhang <Jisheng.Zhang@synaptics.com>
Mon, 27 Jul 2020 11:05:20 +0000 (19:05 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 29 Jul 2020 00:48:20 +0000 (17:48 -0700)
commit77b2898394e3bb843228ee6f90066a23cf67e8a1
tree4f87b2fa3a9e7c7abc9a8fa8e13c05999206f6d5tree | snapshot
parent1d8e5b0f3f2c6d05697f8192aac7255e6be1e715commit | diff
net: stmmac: Speed down the PHY if WoL to save energy

When WoL is enabled and the machine is powered off, the PHY remains
waiting for wakeup events at max speed, which is a waste of energy.

Slow down the PHY speed before stopping the ethernet if WoL is enabled,

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c diff | blob | history
Domain: System / Kernel;