2020-02-23 12:20:11 +00:00
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--- a/include/linux/phy.h
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+++ b/include/linux/phy.h
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2020-03-26 14:19:42 +00:00
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@@ -524,6 +524,12 @@ struct phy_driver {
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2020-02-23 12:20:11 +00:00
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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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2020-07-04 13:16:27 +00:00
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@@ -1911,6 +1911,9 @@ int genphy_update_link(struct phy_device
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2019-11-25 15:08:31 +00:00
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if (bmcr & BMCR_ANRESTART)
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goto done;
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2020-02-23 12:20:11 +00:00
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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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/* The link state is latched low so that momentary link
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* drops can be detected. Do not double-read the status
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* in polling mode to detect such short link drops.
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