diff options
| author | Alexander Sverdlin <alexander.sverdlin@nokia.com> | 2020-10-16 12:18:57 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-05 11:08:55 +0100 |
| commit | e2f30d7ff0f1efb86600cc8e388f00db16629322 (patch) | |
| tree | 41bb683701c822424f60541b54bf0c2e2d299072 | |
| parent | 28f7c57a3ce95ca17cff98cc5af52fe7f9226f3f (diff) | |
staging: octeon: repair "fixed-link" support
commit 179f5dc36b0a1aa31538d7d8823deb65c39847b3 upstream.
The PHYs must be registered once in device probe function, not in device
open callback because it's only possible to register them once.
Fixes: a25e278020bf ("staging: octeon: support fixed-link phys")
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201016101858.11374-1-alexander.sverdlin@nokia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/octeon/ethernet-mdio.c | 6 | ||||
| -rw-r--r-- | drivers/staging/octeon/ethernet.c | 9 |
2 files changed, 9 insertions, 6 deletions
diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c index f67f95043887..5761a31e2318 100644 --- a/drivers/staging/octeon/ethernet-mdio.c +++ b/drivers/staging/octeon/ethernet-mdio.c @@ -152,12 +152,6 @@ int cvm_oct_phy_setup_device(struct net_device *dev) phy_node = of_parse_phandle(priv->of_node, "phy-handle", 0); if (!phy_node && of_phy_is_fixed_link(priv->of_node)) { - int rc; - - rc = of_phy_register_fixed_link(priv->of_node); - if (rc) - return rc; - phy_node = of_node_get(priv->of_node); } if (!phy_node) diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c index 9b15c9ed844b..b680e5785ae3 100644 --- a/drivers/staging/octeon/ethernet.c +++ b/drivers/staging/octeon/ethernet.c @@ -13,6 +13,7 @@ #include <linux/phy.h> #include <linux/slab.h> #include <linux/interrupt.h> +#include <linux/of_mdio.h> #include <linux/of_net.h> #include <linux/if_ether.h> #include <linux/if_vlan.h> @@ -875,6 +876,14 @@ static int cvm_oct_probe(struct platform_device *pdev) break; } + if (priv->of_node && of_phy_is_fixed_link(priv->of_node)) { + if (of_phy_register_fixed_link(priv->of_node)) { + netdev_err(dev, "Failed to register fixed link for interface %d, port %d\n", + interface, priv->port); + dev->netdev_ops = NULL; + } + } + if (!dev->netdev_ops) { free_netdev(dev); } else if (register_netdev(dev) < 0) { |