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[109.60.83.139]) by smtp.googlemail.com with ESMTPSA id ts7-20020a170907c5c700b00a43f4722eaesm926910ejc.103.2024.02.28.09.24.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Feb 2024 09:24:57 -0800 (PST) From: Robert Marko To: andersson@kernel.org, konrad.dybcio@linaro.org, andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-arm-msm@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Robert Marko Subject: [PATCH net-next v2 1/2] net: phy: qcom: qca808x: add helper for checking for 1G only model Date: Wed, 28 Feb 2024 18:24:09 +0100 Message-ID: <20240228172452.2456842-2-robimarko@gmail.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240228172452.2456842-1-robimarko@gmail.com> References: <20240228172452.2456842-1-robimarko@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792165772943527278 X-GMAIL-MSGID: 1792165772943527278 There are 2 versions of QCA808x, one 2.5G capable and one 1G capable. Currently, this matter only in the .get_features call however, it will be required for filling supported interface modes so lets add a helper that can be reused. Signed-off-by: Robert Marko --- Changes in v2: * Get rid of the if/else by Russels suggestion drivers/net/phy/qcom/qca808x.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/net/phy/qcom/qca808x.c b/drivers/net/phy/qcom/qca808x.c index 2acf852fb4de..a4c61a8e07c3 100644 --- a/drivers/net/phy/qcom/qca808x.c +++ b/drivers/net/phy/qcom/qca808x.c @@ -156,6 +156,17 @@ static bool qca808x_has_fast_retrain_or_slave_seed(struct phy_device *phydev) return linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported); } +static bool qca808x_is_1g_only(struct phy_device *phydev) +{ + int ret; + + ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE); + if (ret < 0) + return true; + + return !!(QCA808X_PHY_CHIP_TYPE_1G & ret); +} + static int qca808x_probe(struct phy_device *phydev) { struct device *dev = &phydev->mdio.dev; @@ -350,11 +361,7 @@ static int qca808x_get_features(struct phy_device *phydev) * existed in the bit0 of MMD1.21, we need to remove it manually if * it is the qca8081 1G chip according to the bit0 of MMD7.0x901d. */ - ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE); - if (ret < 0) - return ret; - - if (QCA808X_PHY_CHIP_TYPE_1G & ret) + if (qca808x_is_1g_only(phydev)) linkmode_clear_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported); return 0;