* Subject: [PATCH v3 net-next 4/4] net:phy: Hold LAN8710/20/40 in reset after probing
@ 2021-01-15 17:23 Badel, Laurent
0 siblings, 0 replies; only message in thread
From: Badel, Laurent @ 2021-01-15 17:23 UTC (permalink / raw)
To: davem, m.felsch, fugang.duan, kuba, andrew, Heiner Kallweit,
linux, p.zabel, lgirdwood, broonie, robh+dt, richard.leitner,
netdev, devicetree, f.fainelli, marex
Assert PHY reset at the end of phy_probe(), for PHYs bearing the
PHY_RST_AFTER_PROBE flag. For FEC-based devices this ensures that PHYs are
always in reset or power-down whenever the REF_CLK is turned off.
Signed-off-by: Laurent Badel <laurentbadel@eaton.com>
---
drivers/net/phy/phy_device.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 13bae0ce31b8..322f569a1162 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -2902,7 +2902,7 @@ static int phy_probe(struct device *dev)
out:
/* Assert the reset signal */
- if (err)
+ if (err || phydev->drv->flags & PHY_RST_AFTER_PROBE)
phy_device_reset(phydev, 1);
mutex_unlock(&phydev->lock);
--
2.17.1
-----------------------------
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-----------------------------
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2021-01-15 17:23 Subject: [PATCH v3 net-next 4/4] net:phy: Hold LAN8710/20/40 in reset after probing Badel, Laurent
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