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net: phy: mxl-86110: Add power management and soft reset support

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Implement soft_reset, suspend, and resume callbacks using
genphy_soft_reset(), genphy_suspend(), and genphy_resume()
to fix PHY initialization and power management issues.

The soft_reset callback is needed to properly recover the PHY after an
ifconfig down/up cycle. Without it, the PHY can remain in power-down
state, causing MDIO register access failures during config_init().
The soft reset ensures the PHY is operational before configuration.

The suspend/resume callbacks enable proper power management during
system suspend/resume cycles.

Fixes: b2908a989c ("net: phy: add driver for MaxLinear MxL86110 PHY")
Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
Link: https://patch.msgid.link/20251223120940.407195-1-stefano.r@variscite.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Stefano Radaelli 2025-12-23 13:09:39 +01:00 committed by Jakub Kicinski
parent 4c0856c225
commit 62f7edd599
1 changed files with 3 additions and 0 deletions
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3
drivers/net/phy/mxl-86110.c
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@ -938,6 +938,9 @@ static struct phy_driver mxl_phy_drvs[] = {
PHY_ID_MATCH_EXACT(PHY_ID_MXL86110),
.name = "MXL86110 Gigabit Ethernet",
.config_init = mxl86110_config_init,
.suspend = genphy_suspend,
.resume = genphy_resume,
.soft_reset = genphy_soft_reset,
.get_wol = mxl86110_get_wol,
.set_wol = mxl86110_set_wol,
.led_brightness_set = mxl86110_led_brightness_set,