[PATCH AUTOSEL 5.3 91/99] net: phy: bcm7xxx: define soft_reset for 40nm EPHY
From: Sasha Levin <sashal@kernel.org>
Date: 2019-10-26 13:18:49
Also in:
lkml, stable
Subsystem:
broadcom ethernet phy drivers, ethernet phy library, networking drivers, the rest · Maintainers:
Florian Fainelli, Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Doug Berger <opendmb@gmail.com>
[ Upstream commit fe586b823372a9f43f90e2c6aa0573992ce7ccb7 ]
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: 6e2d85ec0559 ("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: Sasha Levin <sashal@kernel.org>
---
drivers/net/phy/bcm7xxx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c
index 8fc33867e524f..af8eabe7a6d44 100644
--- a/drivers/net/phy/bcm7xxx.c
+++ b/drivers/net/phy/bcm7xxx.c@@ -572,6 +572,7 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev) .name = _name, \ /* PHY_BASIC_FEATURES */ \ .flags = PHY_IS_INTERNAL, \ + .soft_reset = genphy_soft_reset, \ .config_init = bcm7xxx_config_init, \ .suspend = bcm7xxx_suspend, \ .resume = bcm7xxx_config_init, \
--
2.20.1