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Commit a6f31f5e authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

net: bcmgenet: power down and up GPHY during suspend/resume 



In case the interface is not used, power down the integrated GPHY during
suspend. Similarly to bcmgenet_open(), bcmgenet_resume() powers on the GPHY
prior to any UniMAC activity.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a642c4f7

drivers/net/ethernet/broadcom/genet/bcmgenet.c

+8 −0
Original line number Diff line number Diff line
@@ -3107,6 +3107,8 @@ static int bcmgenet_suspend(struct device *d) 
	if (device_may_wakeup(d) && priv->wolopts) {

		ret = bcmgenet_power_down(priv, GENET_POWER_WOL_MAGIC);

		clk_prepare_enable(priv->clk_wol);

	} else if (phy_is_internal(priv->phydev)) {

		ret = bcmgenet_power_down(priv, GENET_POWER_PASSIVE);

	}



	/* Turn off the clocks */
@@ -3131,6 +3133,12 @@ static int bcmgenet_resume(struct device *d) 
	if (ret)

		return ret;



	/* If this is an internal GPHY, power it back on now, before UniMAC is

	 * brought out of reset as absolutely no UniMAC activity is allowed

	 */

	if (phy_is_internal(priv->phydev))

		bcmgenet_power_up(priv, GENET_POWER_PASSIVE);



	bcmgenet_umac_reset(priv);



	ret = init_umac(priv);