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[5.94.28.5]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-430f7475895sm17750190f8f.33.2025.12.16.08.25.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Dec 2025 08:25:55 -0800 (PST) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Stefano Radaelli , Xu Liang , Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Stefano Radaelli Subject: [PATCH net v1] net: phy: mxl-86110: Add power management and soft reset support Date: Tue, 16 Dec 2025 17:25:34 +0100 Message-ID: <20251216162534.141825-1-stefano.r@variscite.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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: b2908a989c59 ("net: phy: add driver for MaxLinear MxL86110 PHY") Signed-off-by: Stefano Radaelli --- drivers/net/phy/mxl-86110.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/phy/mxl-86110.c b/drivers/net/phy/mxl-86110.c index e5d137a37a1d..42a5fe3f115f 100644 --- a/drivers/net/phy/mxl-86110.c +++ b/drivers/net/phy/mxl-86110.c @@ -938,6 +938,9 @@ static struct phy_driver mxl_phy_drvs[] =3D { PHY_ID_MATCH_EXACT(PHY_ID_MXL86110), .name =3D "MXL86110 Gigabit Ethernet", .config_init =3D mxl86110_config_init, + .suspend =3D genphy_suspend, + .resume =3D genphy_resume, + .soft_reset =3D genphy_soft_reset, .get_wol =3D mxl86110_get_wol, .set_wol =3D mxl86110_set_wol, .led_brightness_set =3D mxl86110_led_brightness_set, --=20 2.47.3