| From | Sebastian Hesselbarth <> | Subject | [PATCH RFC v1 6/7] net: mvneta: resume/suspend PHY on port start/stop | Date | Wed, 20 Nov 2013 21:21:52 +0100 |
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Network PHYs consume a noticable amount of power. This adds phy_resume on start_dev and phy_suspend on stop_dev to save this power if the port is down anyway.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> --- Cc: David S. Miller <davem@davemloft.net> Cc: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/net/ethernet/marvell/mvneta.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index b8e232b..8688e91 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2194,6 +2194,7 @@ static void mvneta_start_dev(struct mvneta_port *pp) mvreg_write(pp, MVNETA_INTR_NEW_MASK, MVNETA_RX_INTR_MASK(rxq_number)); + phy_resume(pp->phy_dev); phy_start(pp->phy_dev); netif_tx_start_all_queues(pp->dev); } @@ -2201,6 +2202,7 @@ static void mvneta_start_dev(struct mvneta_port *pp) static void mvneta_stop_dev(struct mvneta_port *pp) { phy_stop(pp->phy_dev); + phy_suspend(pp->phy_dev); napi_disable(&pp->napi); -- 1.7.2.5
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