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Subject[PATCH 4.20 025/111] lan743x: Remove phy_read from link status change function
Date
4.20-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bryan Whitehead <Bryan.Whitehead@microchip.com>

[ Upstream commit a0071840d2040ea1b27e5a008182b09b88defc15 ]

It has been noticed that some phys do not have the registers
required by the previous implementation.

To fix this, instead of using phy_read, the required information
is extracted from the phy_device structure.

fixes: 23f0703c125b ("lan743x: Add main source files for new lan743x driver")
Signed-off-by: Bryan Whitehead <Bryan.Whitehead@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/microchip/lan743x_main.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -962,13 +962,10 @@ static void lan743x_phy_link_status_chan

memset(&ksettings, 0, sizeof(ksettings));
phy_ethtool_get_link_ksettings(netdev, &ksettings);
- local_advertisement = phy_read(phydev, MII_ADVERTISE);
- if (local_advertisement < 0)
- return;
-
- remote_advertisement = phy_read(phydev, MII_LPA);
- if (remote_advertisement < 0)
- return;
+ local_advertisement =
+ ethtool_adv_to_mii_adv_t(phydev->advertising);
+ remote_advertisement =
+ ethtool_adv_to_mii_adv_t(phydev->lp_advertising);

lan743x_phy_update_flowcontrol(adapter,
ksettings.base.duplex,

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