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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Andrew Halaney , "Russell King (Oracle)" , Andrew Lunn , Heiner Kallweit , Bartosz Golaszewski , "linux-tegra@vger.kernel.org" , Brad Griffis , Vladimir Oltean , Jon Hunter , Maxime Chevallier , Przemek Kitszel Cc: kernel@quicinc.com Subject: [PATCH net v3 1/2] net: phy: aquantia: AQR115c fix up PMA capabilities Date: Wed, 25 Sep 2024 16:01:28 -0700 Message-Id: <20240925230129.2064336-2-quic_abchauha@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240925230129.2064336-1-quic_abchauha@quicinc.com> References: <20240925230129.2064336-1-quic_abchauha@quicinc.com> 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-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: eBX4Qa-7f70CE6Z19PRfa53SrFMvUoCW X-Proofpoint-ORIG-GUID: eBX4Qa-7f70CE6Z19PRfa53SrFMvUoCW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 suspectscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 malwarescore=0 adultscore=0 phishscore=0 mlxlogscore=999 bulkscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409250163 Content-Type: text/plain; charset="utf-8" AQR115c reports incorrect PMA capabilities which includes 10G/5G and also incorrectly disables capabilities like autoneg and 10Mbps support. AQR115c as per the Marvell databook supports speeds up to 2.5Gbps with autonegotiation. Fixes: 0ebc581f8a4b ("net: phy: aquantia: add support for aqr115c") Link: https://lore.kernel.org/all/20240913011635.1286027-1-quic_abchauha@qu= icinc.com/T/ Signed-off-by: Abhishek Chauhan --- Changes since v2 1. seperate out the changes into two different patches.=20 3. use phy_gbit_features instead of initializing each and=20 every link mode bits.=20 4. write seperate functions for 2.5Gbps supported phy=20 5. remove FIBRE bit which was introduced in patch 1 Changes since v1=20 1. remove usage of phy_set_max_speed in the aquantia driver code. 2. Introduce aqr_custom_get_feature which checks for the phy id and takes necessary actions based on max_speed supported by the phy 3. remove aqr111_config_init as it is just a wrapper function.=20 drivers/net/phy/aquantia/aquantia_main.c | 28 ++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/net/phy/aquantia/aquantia_main.c b/drivers/net/phy/aqu= antia/aquantia_main.c index e982e9ce44a5..88ba12aaf6e0 100644 --- a/drivers/net/phy/aquantia/aquantia_main.c +++ b/drivers/net/phy/aquantia/aquantia_main.c @@ -767,6 +767,33 @@ static int aqr111_config_init(struct phy_device *phyde= v) return aqr107_config_init(phydev); } =20 +static int aqr115c_get_features(struct phy_device *phydev) +{ + int ret; + __ETHTOOL_DECLARE_LINK_MODE_MASK(supported) =3D { 0, }; + + /* Normal feature discovery */ + ret =3D genphy_c45_pma_read_abilities(phydev); + if (ret) + return ret; + + /* PHY FIXUP */ + /* Although the PHY sets bit 12.18.19.48, it does not support 5G/10G mode= s */ + linkmode_clear_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, phydev->support= ed); + linkmode_clear_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, phydev->suppo= rted); + linkmode_clear_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, phydev->suppor= ted); + linkmode_clear_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, phydev->supporte= d); + + /* Phy supports Speeds up to 2.5G with Autoneg though the phy PMA says ot= herwise */ + linkmode_copy(supported, phy_gbit_features); + linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT, supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, supported); + + linkmode_or(phydev->supported, supported, phydev->supported); + + return 0; +} + static struct phy_driver aqr_driver[] =3D { { PHY_ID_MATCH_MODEL(PHY_ID_AQ1202), @@ -1036,6 +1063,7 @@ static struct phy_driver aqr_driver[] =3D { .get_sset_count =3D aqr107_get_sset_count, .get_strings =3D aqr107_get_strings, .get_stats =3D aqr107_get_stats, + .get_features =3D aqr115c_get_features, .link_change_notify =3D aqr107_link_change_notify, .led_brightness_set =3D aqr_phy_led_brightness_set, .led_hw_is_supported =3D aqr_phy_led_hw_is_supported, --=20 2.25.1