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47 lines
1.3 KiB
Diff
47 lines
1.3 KiB
Diff
From 0f5ff06adcb20916acaf55976975a8b8844e785a Mon Sep 17 00:00:00 2001
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From: Frank Wunderlich <frank-w@public-files.de>
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Date: Sat, 8 Dec 2018 20:59:40 +0100
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Subject: [PATCH 25/77] net: dsa: mt7530 add linking to mdio
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switch (7530) needs to to be linked to mdio-bus
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based on
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https://github.com/openwrt/openwrt/blob/master/target/linux/mediatek/patches-4.14/0045-net-dsa-mediatek-turn-into-platform-driver.patch
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Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
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---
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drivers/net/dsa/mt7530.c | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
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index 9690a9b59fce..8f95e22a33f6 100644
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--- a/drivers/net/dsa/mt7530.c
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+++ b/drivers/net/dsa/mt7530.c
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@@ -1349,7 +1349,7 @@ static int
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mt7530_probe(struct mdio_device *mdiodev)
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{
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struct mt7530_priv *priv;
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- struct device_node *dn;
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+ struct device_node *dn, *mdio;
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dn = mdiodev->dev.of_node;
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@@ -1396,8 +1396,14 @@ mt7530_probe(struct mdio_device *mdiodev)
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return PTR_ERR(priv->reset);
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}
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}
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+ mdio = of_get_parent(dn);
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+ if (!mdio)
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+ return -EINVAL;
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+
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+ priv->bus = of_mdio_find_bus(mdio);
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+ if (!priv->bus)
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+ return -EPROBE_DEFER;
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- priv->bus = mdiodev->bus;
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priv->dev = &mdiodev->dev;
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priv->ds->priv = priv;
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priv->ds->ops = &mt7530_switch_ops;
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--
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2.19.1
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