linux-kernel - [PATCH v2 net 4/8] net: bcmgenet: power down internal phy if open or resume fails

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Message-Id: <20170310005850.10808-5-opendmb@gmail.com>
Date:   Thu,  9 Mar 2017 16:58:46 -0800
From:   Doug Berger <opendmb@...il.com>
To:     f.fainelli@...il.com
Cc:     pgynther@...gle.com, jaedon.shin@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Doug Berger <opendmb@...il.com>
Subject: [PATCH v2 net 4/8] net: bcmgenet: power down internal phy if open or resume fails

Since the internal PHY is powered up during the open and resume
functions it should be powered back down if the functions fail.

Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
Signed-off-by: Doug Berger <opendmb@...il.com>
---
 drivers/net/ethernet/broadcom/genet/bcmgenet.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 99f8d9024633..475dc14931af 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -2850,6 +2850,8 @@ static int bcmgenet_open(struct net_device *dev)
 err_fini_dma:
 	bcmgenet_fini_dma(priv);
 err_clk_disable:
+	if (priv->internal_phy)
+		bcmgenet_power_down(priv, GENET_POWER_PASSIVE);
 	clk_disable_unprepare(priv->clk);
 	return ret;
 }
@@ -3551,6 +3553,8 @@ static int bcmgenet_resume(struct device *d)
 	return 0;
 
 out_clk_disable:
+	if (priv->internal_phy)
+		bcmgenet_power_down(priv, GENET_POWER_PASSIVE);
 	clk_disable_unprepare(priv->clk);
 	return ret;
 }
-- 
2.11.1