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[PATCH v2] net: arc_emac: switch to phy_start()/phy_stop()

Currently driver use phy_start_aneg() in arc_emac_open() to bring
up PHY. But phy_start() function is more appropriate for this purposes.
Besides that it call phy_start_aneg() as part of PHY startup sequence
it also can correctly bring up PHY from error and suspended states.
So the patch replace phy_start_aneg() to phy_start().

Also the patch add call to phy_stop() to arc_emac_stop() to allow
the PHY device to be fully suspended when the interface is unused.

Signed-off-by: Alexander Kochetkov <al.kochet@xxxxxxxxx>

Changes in v2:
- Updated commit message to clarify changes

 drivers/net/ethernet/arc/emac_main.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index abc9f2a..188676d 100644
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -434,7 +434,7 @@ static int arc_emac_open(struct net_device *ndev)
 	/* Enable EMAC */
 	arc_reg_or(priv, R_CTRL, EN_MASK);
-	phy_start_aneg(ndev->phydev);
+	phy_start(ndev->phydev);
@@ -556,6 +556,8 @@ static int arc_emac_stop(struct net_device *ndev)
+	phy_stop(ndev->phydev);
 	/* Disable interrupts */
 	arc_reg_clr(priv, R_ENABLE, RXINT_MASK | TXINT_MASK | ERR_MASK);