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authorAlexander Sverdlin <alexander.sverdlin@nokia.com>2020-10-16 12:18:57 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-10-27 13:18:34 +0100
commit179f5dc36b0a1aa31538d7d8823deb65c39847b3 (patch)
tree2af8fbad06e73a632d127e9ea5bbf5571ce3369b
parentLinux 5.10-rc1 (diff)
downloadlinux-dev-179f5dc36b0a1aa31538d7d8823deb65c39847b3.tar.xz
linux-dev-179f5dc36b0a1aa31538d7d8823deb65c39847b3.zip
staging: octeon: repair "fixed-link" support
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.c6
-rw-r--r--drivers/staging/octeon/ethernet.c9
2 files changed, 9 insertions, 6 deletions
diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c
index cfb673a52b25..0bf545849b11 100644
--- a/drivers/staging/octeon/ethernet-mdio.c
+++ b/drivers/staging/octeon/ethernet-mdio.c
@@ -147,12 +147,6 @@ 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 204f0b1e2739..5dea6e96ec90 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>
@@ -892,6 +893,14 @@ 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) {