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net: phy: lxt: Add suspend/resume support to LXT971 and LXT973. 

All LXT PHYs implement the standard "power down" bit 11 of
BMCR, so this patch adds support using the generic
genphy_{suspend,resume} functions added by
commit 0f0ca340e5 ("phy: power management support").

LXT970 is left aside because all registers get cleared upon
"power down" exit.

Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christophe Leroy 2019-05-23 08:55:32 +00:00 committed by David S. Miller
parent 136bf27fc0
commit 5556fdb0c2
1 changed files with 6 additions and 0 deletions
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6
drivers/net/phy/lxt.c
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@ -262,6 +262,8 @@ static struct phy_driver lxt97x_driver[] = {
/* PHY_BASIC_FEATURES */
.ack_interrupt = lxt971_ack_interrupt,
.config_intr = lxt971_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
.phy_id = 0x00137a10,
.name = "LXT973-A2",
@ -271,6 +273,8 @@ static struct phy_driver lxt97x_driver[] = {
.probe = lxt973_probe,
.config_aneg = lxt973_config_aneg,
.read_status = lxt973a2_read_status,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
.phy_id = 0x00137a10,
.name = "LXT973",
@ -279,6 +283,8 @@ static struct phy_driver lxt97x_driver[] = {
.flags = 0,
.probe = lxt973_probe,
.config_aneg = lxt973_config_aneg,
.suspend = genphy_suspend,
.resume = genphy_resume,
} };
module_phy_driver(lxt97x_driver);