From nobody Fri Dec 19 20:17:42 2025 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35D115D477 for ; Mon, 28 Apr 2025 12:51:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745844696; cv=none; b=hMH0v8E3jW+E5Lf3MghrN+CRZpGbxaEQZuauepIQ4RSfevSQbLF8ypjb0uHL36ejmHX3bqjsauq7zTRmEeMMuoE2Jtwv4hNIE0bQ4clRm4ZXAEUHEerLLRuF9NcJWS7p1+eNzLxmgpbIfwiuPm6aNf5AReywQHGQ7zikiM7E+h0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745844696; c=relaxed/simple; bh=xtQH8hL/JAq5BZPBxmrrmwIJH1+MKVZHkg0hPfy9pV0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=JWJj14SLEUC5qBqt6EeAGZjdbHuWGjvew+wUJHgkrWedf1teJG9dr4xFHkqCIvzzF6h5a05z5s7Me9kCrBK/tKTEt6yuX5Hcbny91ca9e5xlCmAor/iWvirLXNqwtD6ilOhDOEIQvtXDsAcEtmNGHi5MJ+E4CuH6JfbPlHJ/uTc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1u9NxD-0002iW-AH; Mon, 28 Apr 2025 14:51:23 +0200 Received: from dude04.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::ac]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1u9NxB-00068H-2t; Mon, 28 Apr 2025 14:51:21 +0200 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1u9NxB-00EKA4-2e; Mon, 28 Apr 2025 14:51:21 +0200 From: Oleksij Rempel To: "David S. Miller" , Andrew Lunn , Eric Dumazet , Florian Fainelli , Jakub Kicinski , Paolo Abeni , Vladimir Oltean , Woojung Huh , "Russell King (Oracle)" , Heiner Kallweit Cc: Oleksij Rempel , stable@vger.kernel.org, kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, UNGLinuxDriver@microchip.com Subject: [PATCH net v1 2/2] net: phy: micrel: remove KSZ9477 EEE quirks now handled by phylink Date: Mon, 28 Apr 2025 14:51:19 +0200 Message-Id: <20250428125119.3414046-3-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250428125119.3414046-1-o.rempel@pengutronix.de> References: <20250428125119.3414046-1-o.rempel@pengutronix.de> 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 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The KSZ9477 PHY driver contained workarounds for broken EEE capability advertisements by manually masking supported EEE modes and forcibly disabling EEE if MICREL_NO_EEE was set. With proper MAC-side EEE handling implemented via phylink, these quirks are no longer necessary. Remove MICREL_NO_EEE handling and the use of ksz9477_get_features(). This simplifies the PHY driver and avoids duplicated EEE management logic. Signed-off-by: Oleksij Rempel Cc: stable@vger.kernel.org # v6.14+ --- drivers/net/phy/micrel.c | 7 ------- include/linux/micrel_phy.h | 1 - 2 files changed, 8 deletions(-) diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 71fb4410c31b..c2e5be404f07 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -2027,12 +2027,6 @@ static int ksz9477_config_init(struct phy_device *ph= ydev) return err; } - /* According to KSZ9477 Errata DS80000754C (Module 4) all EEE modes - * in this switch shall be regarded as broken. - */ - if (phydev->dev_flags & MICREL_NO_EEE) - phy_disable_eee(phydev); - return kszphy_config_init(phydev); } @@ -5698,7 +5692,6 @@ static struct phy_driver ksphy_driver[] =3D { .handle_interrupt =3D kszphy_handle_interrupt, .suspend =3D genphy_suspend, .resume =3D ksz9477_resume, - .get_features =3D ksz9477_get_features, } }; module_phy_driver(ksphy_driver); diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h index 591bf5b5e8dc..9af01bdd86d2 100644 --- a/include/linux/micrel_phy.h +++ b/include/linux/micrel_phy.h @@ -44,7 +44,6 @@ #define MICREL_PHY_50MHZ_CLK BIT(0) #define MICREL_PHY_FXEN BIT(1) #define MICREL_KSZ8_P1_ERRATA BIT(2) -#define MICREL_NO_EEE BIT(3) #define MICREL_KSZ9021_EXTREG_CTRL 0xB #define MICREL_KSZ9021_EXTREG_DATA_WRITE 0xC -- 2.39.5