[PATCH] net: phy: air_en8811h: add dedicated suspend callback for AN8811HB
From: Weiting Lee <hidden>
Date: 2026-09-17 01:22:01
Also in:
lkml
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The AN8811HB hardware requires a re-negotiation sequence before entering power-down to correctly restore the link upon resume. Add an8811hb_suspend() to handle this. Signed-off-by: Weiting Lee <redacted> --- drivers/net/phy/air_en8811h.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/air_en8811h.c b/drivers/net/phy/air_en8811h.c
index a03d63dd4ac9..5b1edb127c68 100644
--- a/drivers/net/phy/air_en8811h.c
+++ b/drivers/net/phy/air_en8811h.c@@ -1573,6 +1573,19 @@ static void an8811hb_remove(struct phy_device *phydev) } } +static int an8811hb_suspend(struct phy_device *phydev) +{ + int ret; + + clk_save_context(); + + ret = phy_modify(phydev, MII_BMCR, 0, BMCR_ANRESTART); + if (ret < 0) + return ret; + + return genphy_suspend(phydev); +} + static struct phy_driver en8811h_driver[] = { { PHY_ID_MATCH_MODEL(EN8811H_PHY_ID),
@@ -1606,7 +1619,7 @@ static struct phy_driver en8811h_driver[] = { .config_aneg = en8811h_config_aneg, .read_status = en8811h_read_status, .resume = en8811h_resume, - .suspend = en8811h_suspend, + .suspend = an8811hb_suspend, .config_intr = en8811h_clear_intr, .handle_interrupt = en8811h_handle_interrupt, .led_hw_is_supported = en8811h_led_hw_is_supported,
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2.43.0