2020-04-10 02:47:05 +00:00
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From d3fe9bfb9c854ce3acb7db099d9c9476e4fe2ea7 Mon Sep 17 00:00:00 2001
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From: Michael Walle <michael@walle.cc>
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Date: Thu, 7 Nov 2019 09:39:37 +0100
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Subject: [PATCH] enetc: add ioctl() support for PHY-related ops
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If there is an attached PHY try to handle the requested ioctl with its
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handler, which allows the userspace to access PHY registers, for
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example. This will make mii-diag and similar tools work.
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Signed-off-by: Michael Walle <michael@walle.cc>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/freescale/enetc/enetc.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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--- a/drivers/net/ethernet/freescale/enetc/enetc.c
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+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
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2021-03-24 20:47:36 +00:00
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@@ -1656,7 +1656,10 @@ int enetc_ioctl(struct net_device *ndev,
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2020-04-10 02:47:05 +00:00
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if (cmd == SIOCGHWTSTAMP)
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return enetc_hwtstamp_get(ndev, rq);
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#endif
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- return -EINVAL;
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+
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+ if (!ndev->phydev)
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+ return -EINVAL;
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+ return phy_mii_ioctl(ndev->phydev, rq, cmd);
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}
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int enetc_alloc_msix(struct enetc_ndev_priv *priv)
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