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Fri, 6 Sep 2019 07:41:27 +0000 (UTC) From: Jose Abreu To: netdev@vger.kernel.org Subject: [PATCH net-next 5/5] net: stmmac: Limit max speeds of XGMAC if asked to Date: Fri, 6 Sep 2019 09:41:17 +0200 Message-Id: <151c0529f0c698e94b81bee44d4f1d0a3379cab2.1567755423.git.joabreu@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190906_004130_177017_AC5EE6F7 X-CRM114-Status: GOOD ( 12.04 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jose Abreu , Joao Pinto , Alexandre Torgue , linux-kernel@vger.kernel.org, Maxime Coquelin , Giuseppe Cavallaro , "David S. Miller" , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org We may have some SoCs that can't achieve XGMAC max speed. Limit it if asked to. Signed-off-by: Jose Abreu --- Cc: Giuseppe Cavallaro Cc: Alexandre Torgue Cc: Jose Abreu Cc: "David S. Miller" Cc: Maxime Coquelin Cc: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 25 +++++++++++++++-------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c3baca9f587b..686b82068142 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -831,15 +831,22 @@ static void stmmac_validate(struct phylink_config *config, phylink_set(mask, 1000baseT_Full); phylink_set(mask, 1000baseX_Full); } else if (priv->plat->has_xgmac) { - phylink_set(mac_supported, 2500baseT_Full); - phylink_set(mac_supported, 5000baseT_Full); - phylink_set(mac_supported, 10000baseSR_Full); - phylink_set(mac_supported, 10000baseLR_Full); - phylink_set(mac_supported, 10000baseER_Full); - phylink_set(mac_supported, 10000baseLRM_Full); - phylink_set(mac_supported, 10000baseT_Full); - phylink_set(mac_supported, 10000baseKX4_Full); - phylink_set(mac_supported, 10000baseKR_Full); + if (!max_speed || (max_speed >= 2500)) { + phylink_set(mac_supported, 2500baseT_Full); + phylink_set(mac_supported, 2500baseX_Full); + } + if (!max_speed || (max_speed >= 5000)) { + phylink_set(mac_supported, 5000baseT_Full); + } + if (!max_speed || (max_speed >= 10000)) { + phylink_set(mac_supported, 10000baseSR_Full); + phylink_set(mac_supported, 10000baseLR_Full); + phylink_set(mac_supported, 10000baseER_Full); + phylink_set(mac_supported, 10000baseLRM_Full); + phylink_set(mac_supported, 10000baseT_Full); + phylink_set(mac_supported, 10000baseKX4_Full); + phylink_set(mac_supported, 10000baseKR_Full); + } } /* Half-Duplex can only work with single queue */