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Miller" , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net] net: pcs: xpcs-rk: limit advertised interfaces Date: Thu, 29 Oct 2026 17:49:17 +0800 Message-ID: <20261029094916.3127193-2-coiaprant@gmail.com> X-Mailer: git-send-email 2.47.3 X-Archived-By: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261029_025034_048753_02EB6400 X-CRM114-Status: UNSURE ( 9.30 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 The RK3568 XPCS supports 1000BASE-X, SGMII and QSGMII, but the RK3568 GMAC only implements SGMII, so only SGMII is advertised in supported_interfaces. The generic xpcs core fills the mask from the compat table, which includes 1000BASE-X, QSGMII and the higher-speed modes. Clearing it and setting only SGMII keeps phylink from validating interfaces that are not usable here. 1000BASE-X and QSGMII can be enabled later when a board actually wires them up. Signed-off-by: Coia Prant --- drivers/net/pcs/pcs-xpcs-rk.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/pcs/pcs-xpcs-rk.c b/drivers/net/pcs/pcs-xpcs-rk.c index 6f0a110e32d2..cc11a70d624f 100644 --- a/drivers/net/pcs/pcs-xpcs-rk.c +++ b/drivers/net/pcs/pcs-xpcs-rk.c @@ -536,6 +536,12 @@ struct dw_xpcs *xpcs_rk_create(struct device *dev, struct device_node *pcs, int return xpcs; } + /* + * The RK3568 XPCS supports 1000BASE-X, SGMII and QSGMII. + */ + phy_interface_zero(xpcs->pcs.supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_SGMII, xpcs->pcs.supported_interfaces); + xpcs_config_eee_mult_fact(xpcs, pxpcs->eee_mult_fact); put_device(&pdev->dev); return xpcs; -- 2.47.3 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip