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Commit 136492b2 authored by Vitja Makarov's avatar Vitja Makarov Committed by David S. Miller
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EMAC driver: add power down mode 



This patch puts phy in power-down mode when interface is down.
Also we should think about energy detect power-down mode, that will
decrease power consumption when no link.

Signed-off-by: default avatarVitja Makarov <vitja.makarov@gmail.com>
Signed-off-by: default avatarBryan Wu <bryan.wu@analog.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6893ff1c

drivers/net/bfin_mac.c

+2 −1
Original line number Diff line number Diff line
@@ -884,10 +884,10 @@ static int bf537mac_open(struct net_device *dev) 
		return retval;



	phy_start(lp->phydev);

	phy_write(lp->phydev, MII_BMCR, BMCR_RESET);

	setup_system_regs(dev);

	bf537mac_disable();

	bf537mac_enable();



	pr_debug("hardware init finished\n");

	netif_start_queue(dev);

	netif_carrier_on(dev);
@@ -910,6 +910,7 @@ static int bf537mac_close(struct net_device *dev) 
	netif_carrier_off(dev);



	phy_stop(lp->phydev);

	phy_write(lp->phydev, MII_BMCR, BMCR_PDOWN);



	/* clear everything */

	bf537mac_shutdown(dev);