[PATCH net-next v9 01/15] phylink: Add phylink_mac_interrupt
From: Birger Koblitz <hidden>
Date: 2026-09-02 16:57:32
Also in:
linux-usb, lkml
Subsystem:
ethernet phy library, networking drivers, sff/sfp/sfp+ module support, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Russell King, Linus Torvalds
Add the phylink_mac_interrupt() function to phylink, which passes a link-change interrupt received by the MAC to phylib. This function can be used by drivers which want to avoid polling the PHY and instead rely on an interrupt received by the MAC when a link-change happens. Signed-off-by: Birger Koblitz <redacted> Reviewed-by: Andrew Lunn <andrew@lunn.ch> --- drivers/net/phy/phylink.c | 16 ++++++++++++++++ include/linux/phylink.h | 1 + 2 files changed, 17 insertions(+)
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 3ec3bb43910953f3d57a4601633d0c3be65e959d..96ed13458e9f399fa911a145613d213b1c4433c8 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c@@ -1612,6 +1612,22 @@ static bool phylink_link_is_up(struct phylink *pl) return pl->netdev ? netif_carrier_ok(pl->netdev) : pl->old_link_state; } +/** + * phylink_mac_interrupt() - wrapper for phy_mac_interrupt() + * @pl: a pointer to a &struct phylink returned from phylink_create() + * + * Passes a link-change interrupt received by the MAC to phylib. + */ +void phylink_mac_interrupt(struct phylink *pl) +{ + struct phy_device *phy; + + phy = pl->phydev; + if (phy) + phy_mac_interrupt(phy); +} +EXPORT_SYMBOL_GPL(phylink_mac_interrupt); + static void phylink_resolve(struct work_struct *w) { struct phylink *pl = container_of(w, struct phylink, resolve);
diff --git a/include/linux/phylink.h b/include/linux/phylink.h
index 1dda5c7ed5f146930d1acc6f06072e6755167af6..f6c1db837fb5062c6d42ffc6489ec06ae84e535b 100644
--- a/include/linux/phylink.h
+++ b/include/linux/phylink.h@@ -768,6 +768,7 @@ int phylink_ethtool_set_eee(struct phylink *link, struct ethtool_keee *eee); int phylink_mii_ioctl(struct phylink *, struct ifreq *, int); int phylink_speed_down(struct phylink *pl, bool sync); int phylink_speed_up(struct phylink *pl); +void phylink_mac_interrupt(struct phylink *pl); #define phylink_zero(bm) \ bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS)
--
2.47.3