From 3fe61f0940d9c7892462c893602fdccfe8b24e8c Mon Sep 17 00:00:00 2001 From: Madalin Bucur Date: Wed, 4 Jan 2017 13:21:29 +0200 Subject: [PATCH 1/2] dpaa_eth: cleanup after init_phy() failure Signed-off-by: Madalin Bucur Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 624ba9058dc4..77517aa3e8d9 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2291,7 +2291,8 @@ static int dpaa_open(struct net_device *net_dev) net_dev->phydev = mac_dev->init_phy(net_dev, priv->mac_dev); if (!net_dev->phydev) { netif_err(priv, ifup, net_dev, "init_phy() failed\n"); - return -ENODEV; + err = -ENODEV; + goto phy_init_failed; } for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) { @@ -2314,6 +2315,7 @@ mac_start_failed: for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) fman_port_disable(mac_dev->port[i]); +phy_init_failed: dpaa_eth_napi_disable(priv); return err; From 0fbb0f24dde8759925fc56e9dbc6a5b2cbba99c4 Mon Sep 17 00:00:00 2001 From: Roy Pledge Date: Wed, 4 Jan 2017 13:21:30 +0200 Subject: [PATCH 2/2] dpaa_eth: Initialize CGR structure before init The QBMan CGR options needs to be zeroed before calling the init function Signed-off-by: Roy Pledge Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 77517aa3e8d9..c9b7ad65e563 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -733,6 +733,7 @@ static int dpaa_eth_cgr_init(struct dpaa_priv *priv) priv->cgr_data.cgr.cb = dpaa_eth_cgscn; /* Enable Congestion State Change Notifications and CS taildrop */ + memset(&initcgr, 0, sizeof(initcgr)); initcgr.we_mask = cpu_to_be16(QM_CGR_WE_CSCN_EN | QM_CGR_WE_CS_THRES); initcgr.cgr.cscn_en = QM_CGR_EN; @@ -2422,6 +2423,7 @@ static int dpaa_ingress_cgr_init(struct dpaa_priv *priv) } /* Enable CS TD, but disable Congestion State Change Notifications. */ + memset(&initcgr, 0, sizeof(initcgr)); initcgr.we_mask = cpu_to_be16(QM_CGR_WE_CS_THRES); initcgr.cgr.cscn_en = QM_CGR_EN; cs_th = DPAA_INGRESS_CS_THRESHOLD;