08371a2db7
Fix a kernel crash caused when CONFIG_FIXED_PHY used for fixed phy drivers in phy-add-aneg-done-function patch. Signed-off-by: Tim Harvey <tharvey@gateworks.com>
27 lines
752 B
Diff
27 lines
752 B
Diff
--- a/include/linux/phy.h
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+++ b/include/linux/phy.h
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@@ -496,6 +496,12 @@ struct phy_driver {
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/* Determines the negotiated speed and duplex */
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int (*read_status)(struct phy_device *phydev);
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+ /*
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+ * Update the value in phydev->link to reflect the
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+ * current link value
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+ */
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+ int (*update_link)(struct phy_device *phydev);
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+
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/* Clears any pending interrupts */
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int (*ack_interrupt)(struct phy_device *phydev);
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--- a/drivers/net/phy/phy_device.c
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+++ b/drivers/net/phy/phy_device.c
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@@ -1247,6 +1247,9 @@ int genphy_update_link(struct phy_device
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{
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int status;
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+ if (phydev->drv && phydev->drv->update_link)
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+ return phydev->drv->update_link(phydev);
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+
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/* Do a fake read */
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status = phy_read(phydev, MII_BMSR);
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if (status < 0)
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