net: bcmgenet: power down internal phy if open or resume fails
authorDoug Berger <opendmb@gmail.com>
Fri, 10 Mar 2017 00:58:46 +0000 (16:58 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Dec 2017 09:04:53 +0000 (10:04 +0100)
[ Upstream commit 7627409cc4970e8c8b9de6945ad86a575290a94e ]

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@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/ethernet/broadcom/genet/bcmgenet.c

index f252ed25b75b4e7226a2653c0cb67843b9547e69..9217a0f4082f538a7476fef1da1c5690c7d83c80 100644 (file)
@@ -2950,6 +2950,8 @@ err_irq0:
 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;
 }
@@ -3653,6 +3655,8 @@ 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;
 }