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[93.34.88.81]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4804d603ac9sm21575135e9.4.2026.01.23.04.01.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Jan 2026 04:01:27 -0800 (PST) From: Christian Marangi To: Christian Marangi , Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [net-next PATCH v2 1/3] net: phy: as21xxx: save firmware version major/minor version Date: Fri, 23 Jan 2026 13:00:29 +0100 Message-ID: <20260123120117.10883-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260123120117.10883-1-ansuelsmth@gmail.com> References: <20260123120117.10883-1-ansuelsmth@gmail.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 Content-Type: text/plain; charset="utf-8" On PHY probe, save the firmware version major/minor version to use it later to validate if a command is supported in the loaded firmware. Signed-off-by: Christian Marangi --- drivers/net/phy/as21xxx.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/net/phy/as21xxx.c b/drivers/net/phy/as21xxx.c index 005277360656..a5344abde91a 100644 --- a/drivers/net/phy/as21xxx.c +++ b/drivers/net/phy/as21xxx.c @@ -183,6 +183,9 @@ struct as21xxx_led_pattern_info { }; =20 struct as21xxx_priv { + u8 fw_major_ver; + u8 fw_minor_ver; + bool parity_status; /* Protect concurrent IPC access */ struct mutex ipc_lock; @@ -570,6 +573,7 @@ static int aeon_ipc_sync_parity(struct phy_device *phyd= ev, static int aeon_ipc_get_fw_version(struct phy_device *phydev) { u16 ret_data[AEON_IPC_DATA_NUM_REGISTERS], data[1]; + struct as21xxx_priv *priv =3D phydev->priv; char fw_version[AEON_IPC_DATA_MAX + 1]; int ret; =20 @@ -585,6 +589,17 @@ static int aeon_ipc_get_fw_version(struct phy_device *= phydev) fw_version[ret] =3D '\0'; =20 phydev_info(phydev, "Firmware Version: %s\n", fw_version); + /* + * Firmware is the format x.x.x + * Save in priv struct to check validate feature support + * in new firmware version. + */ + ret =3D sscanf(fw_version, "%hhu.%hhu", &priv->fw_major_ver, + &priv->fw_minor_ver); + if (ret < 2) { + priv->fw_major_ver =3D 0; + priv->fw_minor_ver =3D 0; + } =20 return 0; } --=20 2.51.0