diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0398-enetc-add-ioctl-support-for-PHY-related-ops.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0398-enetc-add-ioctl-support-for-PHY-related-ops.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0398-enetc-add-ioctl-support-for-PHY-related-ops.patch b/target/linux/layerscape/patches-5.4/701-net-0398-enetc-add-ioctl-support-for-PHY-related-ops.patch new file mode 100644 index 0000000000..bb3f926201 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0398-enetc-add-ioctl-support-for-PHY-related-ops.patch @@ -0,0 +1,30 @@ +From d3fe9bfb9c854ce3acb7db099d9c9476e4fe2ea7 Mon Sep 17 00:00:00 2001 +From: Michael Walle <michael@walle.cc> +Date: Thu, 7 Nov 2019 09:39:37 +0100 +Subject: [PATCH] enetc: add ioctl() support for PHY-related ops + +If there is an attached PHY try to handle the requested ioctl with its +handler, which allows the userspace to access PHY registers, for +example. This will make mii-diag and similar tools work. + +Signed-off-by: Michael Walle <michael@walle.cc> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/freescale/enetc/enetc.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/freescale/enetc/enetc.c ++++ b/drivers/net/ethernet/freescale/enetc/enetc.c +@@ -1661,7 +1661,10 @@ int enetc_ioctl(struct net_device *ndev, + if (cmd == SIOCGHWTSTAMP) + return enetc_hwtstamp_get(ndev, rq); + #endif +- return -EINVAL; ++ ++ if (!ndev->phydev) ++ return -EINVAL; ++ return phy_mii_ioctl(ndev->phydev, rq, cmd); + } + + int enetc_alloc_msix(struct enetc_ndev_priv *priv) |