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Commit 8c90db72 authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

net: bcmgenet: suspend and resume from Wake-on-LAN 



Update bcmgenet_suspend() to prepare the hardware for being put into
Wake-on-LAN mode if the device can wakeup the system, and Wake-on-LAN is
enabled. Whether we resume from Wake-on-LAN or not, make sure that
bcmgenet_resume() disables the UniMAC MagicPacket matching mode and puts
the hardware in a state where it can receive all incoming packets.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1c3c1e79

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

+12 −0
Original line number Diff line number Diff line
@@ -2635,6 +2635,12 @@ static int bcmgenet_suspend(struct device *d) 
	bcmgenet_tx_reclaim_all(dev);

	bcmgenet_fini_dma(priv);



	/* Prepare the device for Wake-on-LAN and switch to the slow clock */

	if (device_may_wakeup(d) && priv->wolopts) {

		bcmgenet_power_down(priv, GENET_POWER_WOL_MAGIC);

		clk_prepare_enable(priv->clk_wol);

	}



	/* Turn off the clocks */

	clk_disable_unprepare(priv->clk);
@@ -2663,6 +2669,12 @@ static int bcmgenet_resume(struct device *d) 
	if (ret)

		goto out_clk_disable;



	if (priv->wolopts)

		ret = bcmgenet_wol_resume(priv);



	if (ret)

		goto out_clk_disable;



	/* disable ethernet MAC while updating its registers */

	umac_enable_set(priv, CMD_TX_EN | CMD_RX_EN, false);