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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 Cc: kernel@quicinc.com Subject: [RFC PATCH net v1] net: phy: aquantia: Set phy speed to 2.5gbps for AQR115c Date: Thu, 12 Sep 2024 18:16:35 -0700 Message-Id: <20240913011635.1286027-1-quic_abchauha@quicinc.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: qxWp5TY8iCz_57xYBxdGvkQvHTJcQ3m0 X-Proofpoint-ORIG-GUID: qxWp5TY8iCz_57xYBxdGvkQvHTJcQ3m0 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 spamscore=0 clxscore=1011 impostorscore=0 mlxscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 mlxlogscore=999 lowpriorityscore=0 adultscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409130008 Recently we observed that aquantia AQR115c always comes up in 100Mbps mode. AQR115c aquantia chip supports max speed up to 2.5Gbps. Today the AQR115c configuration is done through aqr113c_config_init which internally calls aqr107_config_init. aqr113c and aqr107 are both capable of 10Gbps. Whereas AQR115c supprts max speed of 2.5Gbps only. Fixes: 0ebc581f8a4b ("net: phy: aquantia: add support for aqr115c") Signed-off-by: Abhishek Chauhan --- drivers/net/phy/aquantia/aquantia_main.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/phy/aquantia/aquantia_main.c b/drivers/net/phy/aquantia/aquantia_main.c index e982e9ce44a5..9afc041dbb64 100644 --- a/drivers/net/phy/aquantia/aquantia_main.c +++ b/drivers/net/phy/aquantia/aquantia_main.c @@ -499,6 +499,12 @@ static int aqr107_config_init(struct phy_device *phydev) if (!ret) aqr107_chip_info(phydev); + /* AQR115c supports speed up to 2.5Gbps */ + if (phydev->interface == PHY_INTERFACE_MODE_2500BASEX) { + phy_set_max_speed(phydev, SPEED_2500); + phydev->autoneg = AUTONEG_ENABLE; + } + ret = aqr107_set_downshift(phydev, MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT); if (ret) return ret; @@ -1036,6 +1042,7 @@ static struct phy_driver aqr_driver[] = { .get_sset_count = aqr107_get_sset_count, .get_strings = aqr107_get_strings, .get_stats = aqr107_get_stats, + .get_features = genphy_c45_pma_read_abilities, .link_change_notify = aqr107_link_change_notify, .led_brightness_set = aqr_phy_led_brightness_set, .led_hw_is_supported = aqr_phy_led_hw_is_supported,