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([2a02:168:6806:0:cb1:a328:ee29:2bd6]) by smtp.gmail.com with ESMTPSA id t17-20020a05600c451100b003dc434b39c7sm4524319wmo.0.2023.03.11.12.32.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Mar 2023 12:32:20 -0800 (PST) From: Klaus Kudielka To: Andrew Lunn Cc: Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Richard Cochran , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Klaus Kudielka Subject: [PATCH net-next v2 3/3] net: dsa: mv88e6xxx: mask apparently non-existing phys during probing Date: Sat, 11 Mar 2023 21:31:32 +0100 Message-Id: <20230311203132.156467-4-klaus.kudielka@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230311203132.156467-1-klaus.kudielka@gmail.com> References: <20230311203132.156467-1-klaus.kudielka@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760105622345626057?= X-GMAIL-MSGID: =?utf-8?q?1760105622345626057?= To avoid excessive mdio bus transactions during probing, mask all phy addresses that do not exist (there is a 1:1 mapping between switch port number and phy address). Suggested-by: Andrew Lunn Signed-off-by: Klaus Kudielka --- v2: Patch is new drivers/net/dsa/mv88e6xxx/chip.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 29b0f3bb1c..c52798d9ce 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -3797,6 +3797,7 @@ static int mv88e6xxx_mdio_register(struct mv88e6xxx_chip *chip, bus->read_c45 = mv88e6xxx_mdio_read_c45; bus->write_c45 = mv88e6xxx_mdio_write_c45; bus->parent = chip->dev; + bus->phy_mask = GENMASK(31, mv88e6xxx_num_ports(chip)); if (!external) { err = mv88e6xxx_g2_irq_mdio_setup(chip, bus);