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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Oleksij Rempel , kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Arun.Ramadoss@microchip.com Subject: [PATCH net-next v2 4/4] net: dsa: microchip: enable EEE support Date: Fri, 20 Jan 2023 10:20:59 +0100 Message-Id: <20230120092059.347734-5-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230120092059.347734-1-o.rempel@pengutronix.de> References: <20230120092059.347734-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, 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?1755532798149376601?= X-GMAIL-MSGID: =?utf-8?q?1755532798149376601?= Some of KSZ9477 family switches provides EEE support. To enable it, we just need to register set_mac_eee/set_mac_eee handlers and validate supported chip version and port. Signed-off-by: Oleksij Rempel --- drivers/net/dsa/microchip/ksz_common.c | 35 ++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 5e1e5bd555d2..2f1f71b3be86 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -2645,6 +2645,39 @@ static int ksz_max_mtu(struct dsa_switch *ds, int port) return -EOPNOTSUPP; } +static int ksz_validate_eee(struct dsa_switch *ds, int port) +{ + struct ksz_device *dev = ds->priv; + + if (!dev->info->internal_phy[port]) + return -EOPNOTSUPP; + + switch (dev->chip_id) { + case KSZ8563_CHIP_ID: + case KSZ9477_CHIP_ID: + case KSZ9563_CHIP_ID: + case KSZ9567_CHIP_ID: + case KSZ9893_CHIP_ID: + case KSZ9896_CHIP_ID: + case KSZ9897_CHIP_ID: + return 0; + } + + return -EOPNOTSUPP; +} + +static int ksz_get_mac_eee(struct dsa_switch *ds, int port, + struct ethtool_eee *e) +{ + return ksz_validate_eee(ds, port); +} + +static int ksz_set_mac_eee(struct dsa_switch *ds, int port, + struct ethtool_eee *e) +{ + return ksz_validate_eee(ds, port); +} + static void ksz_set_xmii(struct ksz_device *dev, int port, phy_interface_t interface) { @@ -3006,6 +3039,8 @@ static const struct dsa_switch_ops ksz_switch_ops = { .port_hwtstamp_set = ksz_hwtstamp_set, .port_txtstamp = ksz_port_txtstamp, .port_rxtstamp = ksz_port_rxtstamp, + .get_mac_eee = ksz_get_mac_eee, + .set_mac_eee = ksz_set_mac_eee, }; struct ksz_device *ksz_switch_alloc(struct device *base, void *priv)