From nobody Mon Jun 15 13:57:30 2026 Received: from mail-wm1-f46.google.com (mail-wm1-f46.google.com [209.85.128.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B1BC03C3453 for ; Fri, 10 Apr 2026 14:29:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775831351; cv=none; b=Q36xRQckPgzdcu0JsBVcRDqs/4zF3NNr2gCMxsvF0m0qIteCULggQ6JnzFfYqIICJ126yiM/jNZm2+dWV6XyLn6fk3s7V77KePJVYl64tZQ8tZqoNtewtVAXw/6audZ+CoyFc/8gz1TGMjbF6OVYEU7M+BhaoocJfUB+HuQp4JM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775831351; c=relaxed/simple; bh=TEf5F57v7HEnHtXPb+hOYDZ5jDdp0Hf1213WKXRWpec=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=q+ybzpqQ9zpZ9QFOpFZKIcNA4lppSSg6SJK4cgIKEbMcxet4lUEccGGyEUXFpTmEaoDCdAKzemz5IjhUWuiKDjGD0AdmKNYKkVQVAL/Ugp+Z7o4gTEp3+WJxHwZRe6Jem/ArsshKSNdZMjDZv20Y5avHpBWOuJFQDiJmEbVO90A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=tDREwrzt; arc=none smtp.client-ip=209.85.128.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tDREwrzt" Received: by mail-wm1-f46.google.com with SMTP id 5b1f17b1804b1-488b150559bso16342645e9.1 for ; Fri, 10 Apr 2026 07:29:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775831349; x=1776436149; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=+pEe+gtdxvWjftA7HMrj78CByc1wgd3xl+mbsfpya0A=; b=tDREwrzt+BJDg+XjKWmRVUbSqCAO2s5tCmEDoKyq7Vw9jwo56xdlbgnpBpX9nWAsps 10TocxSq3Ph/9AV0DlZQhOkj3RcfNe3KKfx/W/f0AWPQsRJkiSbIX0mKqJECcuTJ/4yU Mbbxm5pDoro48sfB8RzSEbxAC0Irho/IzqCz3otIWP+r0Xv2tx8Jm99ZtXeZtoV5v7sJ 8dsIzIIBv5d4aVcbtkGkd/xgByfwUPPOdsSwQkJtq6Rr81arTS5iKwStmkBOAN6elZyg w4lFknzkPjMPSrx0+e7CvbEX/ORMizQeS9x3BHqty4K9AVwqKd3fEvpk95Iam5jQi68n H1EQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775831349; x=1776436149; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=+pEe+gtdxvWjftA7HMrj78CByc1wgd3xl+mbsfpya0A=; b=poiFkUoH6gMjcA+TAR2zroS6+96wUu4X0AdA41TUpuRd0Q9eco7LS1OCCtiJM/PJFb ElcghGUfuRQExqm8Cy+JKdMSM/AAI/zphK8zxnKCJsbYJA0+QZJGfG1uqjDSeYQXsWjV unNUL8AMRhNkZDYYjJ6w+1lgHdx3LWPwHf7V3pcO1bCkV3h90KqJ86zbpwciHVOcjKoi ajd0NVTfTu5IjVdwrKbgQBxsE2fUIs5CUvmF+dMQRsgHwBCS7DMGWydeZN4FBVZ9iCw7 hwoZcxAgTY/vKyWQ7GRlOwTbw5h3VrbjbIxe7DrwSQ4lznrxa2ZAG/yNAb+fuQ11Kpks PK1A== X-Forwarded-Encrypted: i=1; AJvYcCVzVt584WztHE/9wM+bF+yO+J9YjIk+e7sf0xZ9lGCcrcSmEGTMhh8dCQoKf99LELUSJB8/TnRJkJQ4l84=@vger.kernel.org X-Gm-Message-State: AOJu0Yw1pT8OMXbJH/vxkmt/X8mnIEHft0e6anAy/81Pxo8pg3leMKmo yOqqEAoyjghmQ0RNjT9lfMI2yQhRF+8ZOW64KVN+egVzvVkrvEIItkjE X-Gm-Gg: AeBDietSqc17Mvt52cyB/o2uNvq5tVv39W+HUaLjyAr1hOzgDvsNoHxP2ii3jYC4pld YPF/ZP8/9KK+ubrfPU+1EcknjsDIUANiEFkhJGn7p4pdr74cs+F4W2Jjgv+wuwF+g+JSvLxNlrf 5Rv9KgGKQ5xvvH9tZjPlXuYy47mHzO/5AUnnZ1LWC4/GQcQRxpgUacCqV6cokG3lqLPNqKyfpqk SwrkIb9NPE60vCwsn7RYLSj4VsqdVMoIOzz2hW4CsvioeT7AlLTO2DBD4T2SE8rOafd4GPkyQsY RwyDFRrW5FGJhqKHepI6qelrCgqywjBuJOfspH0E31h4A6MwmIXqJnUkdcpgbrY+KYthnsxnh/0 7bTYyKI8YV6/Zjshm/ANwdKbQ0CVXm+qzup5OQg3k1kl1GynSlmY0OfJvwTs4FMXgJN5WGZgz6i /fCZEfQyglT9Og9WOtILFvZ5H+c5hhLzgTRnAo9UVcFztnl5zf X-Received: by 2002:a5d:698b:0:b0:43d:68c4:df0 with SMTP id ffacd0b85a97d-43d68c40e82mr725167f8f.10.1775831348892; Fri, 10 Apr 2026 07:29:08 -0700 (PDT) Received: from localhost.localdomain ([2a00:23c4:a758:8a01:2bb2:802c:245d:23d4]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43d63e5c98fsm8389818f8f.35.2026.04.10.07.29.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Apr 2026 07:29:08 -0700 (PDT) From: Biju X-Google-Original-From: Biju To: Andrew Lunn , Heiner Kallweit , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Ovidiu Panait , Russell King , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven , Prabhakar Mahadev Lad , Biju Das , linux-renesas-soc@vger.kernel.org, Biju Das Subject: [PATCH net-next] net: phy: call phy_init_hw() in phy resume path Date: Fri, 10 Apr 2026 15:29:01 +0100 Message-ID: <20260410142904.439666-1-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 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" From: Ovidiu Panait When mac_managed_pm flag is set, mdio_bus_phy_resume() is skipped, so phy_init_hw(), which performs soft_reset and config_init, is not called during resume. This is inconsistent with the non-mac_managed_pm path, where mdio_bus_phy_resume() calls phy_init_hw() before phy_resume() on every resume. To align both paths, add a phy_init_hw() call at the top of __phy_resume(), before invoking the driver's resume callback. This guarantees the PHY undergoes soft reset and re-initialization regardless of whether PM is managed by the MAC or the MDIO bus. Signed-off-by: Ovidiu Panait Signed-off-by: Biju Das --- drivers/net/phy/phy_device.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 0edff47478c2..8255f4208d66 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -2008,6 +2008,10 @@ int __phy_resume(struct phy_device *phydev) if (!phydrv || !phydrv->resume) return 0; =20 + ret =3D phy_init_hw(phydev); + if (ret) + return ret; + ret =3D phydrv->resume(phydev); if (!ret) phydev->suspended =3D false; --=20 2.43.0