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net: phy: bcm7xxx: define soft_reset for 40nm EPHY

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[ Upstream commit fe586b8233 ]

The internal 40nm EPHYs use a "Workaround for putting the PHY in
IDDQ mode." These PHYs require a soft reset to restore functionality
after they are powered back up.

This commit defines the soft_reset function to use genphy_soft_reset
during phy_init_hw to accommodate this.

Fixes: 6e2d85ec05 ("net: phy: Stop with excessive soft reset")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Doug Berger
2019-10-16 16:06:30 -07:00
committed by Greg Kroah-Hartman
parent 97cc6827f4
commit 6d3ccc2a5b
1 changed files with 1 additions and 0 deletions
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drivers/net/phy/bcm7xxx.c
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@@ -643,6 +643,7 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev)
.name = _name, \
.features = PHY_BASIC_FEATURES, \
.flags = PHY_IS_INTERNAL, \
.soft_reset = genphy_soft_reset, \
.config_init = bcm7xxx_config_init, \
.suspend = bcm7xxx_suspend, \
.resume = bcm7xxx_config_init, \