diff options
| author | Ioana Ciornei <ioana.ciornei@nxp.com> | 2021-05-21 16:25:29 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-05-22 00:05:04 +0300 |
| commit | b193f2ed533f6ddffe947327dcf2e76d8beb72a4 (patch) | |
| tree | fb9fd3626798355b46b8c472a54dff36a90c3211 | |
| parent | f07b300c815757b0aabb3a0520249df4a879b416 (diff) | |
| download | linux-b193f2ed533f6ddffe947327dcf2e76d8beb72a4.tar.xz | |
dpaa2-eth: setup the of_node field of the device
When the DPNI object is connected to a DPMAC, setup the of_node to point
to the DTS device node of that specific MAC. This enables other drivers,
for example the DSA subsystem, to find the net_device by its device
node.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c | 25 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.h | 1 |
2 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c index ccaf7e35abeb..4dfadf2b70d6 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c @@ -289,17 +289,15 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) mac->if_link_type = mac->attr.link_type; - dpmac_node = dpaa2_mac_get_node(mac->attr.id); + dpmac_node = mac->of_node; if (!dpmac_node) { netdev_err(net_dev, "No dpmac@%d node found.\n", mac->attr.id); return -ENODEV; } err = dpaa2_mac_get_if_mode(dpmac_node, mac->attr); - if (err < 0) { - err = -EINVAL; - goto err_put_node; - } + if (err < 0) + return -EINVAL; mac->if_mode = err; /* The MAC does not have the capability to add RGMII delays so @@ -311,8 +309,7 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) mac->if_mode == PHY_INTERFACE_MODE_RGMII_RXID || mac->if_mode == PHY_INTERFACE_MODE_RGMII_TXID)) { netdev_err(net_dev, "RGMII delay not supported\n"); - err = -EINVAL; - goto err_put_node; + return -EINVAL; } if ((mac->attr.link_type == DPMAC_LINK_TYPE_PHY && @@ -320,7 +317,7 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) mac->attr.link_type == DPMAC_LINK_TYPE_BACKPLANE) { err = dpaa2_pcs_create(mac, dpmac_node, mac->attr.id); if (err) - goto err_put_node; + return err; } mac->phylink_config.dev = &net_dev->dev; @@ -344,16 +341,12 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac) goto err_phylink_destroy; } - of_node_put(dpmac_node); - return 0; err_phylink_destroy: phylink_destroy(mac->phylink); err_pcs_destroy: dpaa2_pcs_destroy(mac); -err_put_node: - of_node_put(dpmac_node); return err; } @@ -388,6 +381,12 @@ int dpaa2_mac_open(struct dpaa2_mac *mac) goto err_close_dpmac; } + /* Find the device node representing the MAC device and link the device + * behind the associated netdev to it. + */ + mac->of_node = dpaa2_mac_get_node(mac->attr.id); + net_dev->dev.of_node = mac->of_node; + return 0; err_close_dpmac: @@ -400,6 +399,8 @@ void dpaa2_mac_close(struct dpaa2_mac *mac) struct fsl_mc_device *dpmac_dev = mac->mc_dev; dpmac_close(mac->mc_io, 0, dpmac_dev->mc_handle); + if (mac->of_node) + of_node_put(mac->of_node); } static char dpaa2_mac_ethtool_stats[][ETH_GSTRING_LEN] = { diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.h index 13d42dd58ec9..8ebcb3420d02 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.h @@ -24,6 +24,7 @@ struct dpaa2_mac { phy_interface_t if_mode; enum dpmac_link_type if_link_type; struct lynx_pcs *pcs; + struct device_node *of_node; }; bool dpaa2_mac_is_type_fixed(struct fsl_mc_device *dpmac_dev, |