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| author | Vitja Makarov <vitja.makarov@gmail.com> | 2008-01-30 16:52:26 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-02-03 04:28:50 -0800 |
| commit | 136492b275e0dd02d842b94507d66267d18d341c (patch) | |
| tree | 6c821b0105721afc61d862109bfe1b5bdb9884cd /drivers/net/bfin_mac.c | |
| parent | 6893ff1c7eeac73e2c3267e4270bdb64ec427a31 (diff) | |
| download | lwn-136492b275e0dd02d842b94507d66267d18d341c.tar.gz lwn-136492b275e0dd02d842b94507d66267d18d341c.zip | |
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: Vitja Makarov <vitja.makarov@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bfin_mac.c')
| -rw-r--r-- | drivers/net/bfin_mac.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index e9bd05916774..f2368b71a720 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -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); |