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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)
commit58ce19ba3973f0e355ea2fb8a9f2ba54980db92a
tree4f87b2fa3a9e7c7abc9a8fa8e13c05999206f6d5tree | snapshot
parentcd554d33c29a332791aa2b04289f10ad02e4204ccommit | 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
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