Messages in this thread Patch in this message | | | From | Bryan Wu <> | Subject | [PATCH 6/8] [Blackfin] EMAC driver: add power down mode | Date | Wed, 30 Jan 2008 16:52:26 +0800 |
| |
From: Vitja Makarov <vitja.makarov@gmail.com>
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> --- 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 e9bd059..f2368b7 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); -- 1.5.3.4
| |