From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B66A514292 for ; Mon, 22 May 2023 12:16:59 +0000 (UTC) Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 619101BD5; Mon, 22 May 2023 05:16:37 -0700 (PDT) Received: by mail-ej1-x634.google.com with SMTP id a640c23a62f3a-96f5685f902so569189366b.2; Mon, 22 May 2023 05:16:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1684757785; x=1687349785; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=of7dhH8J3ho1PfuXe76W3u3tJHukqwcuraQIJQcYN60=; b=qWTaVgWkUzAJ06YY3hTPNp7zErtB8/KIq1sA0UBFKANHLaNi9kTWG+Iexjhx7sRc7T CUf0F+oRPCaTCziA8nv9p8qnq6S4K24BbLoTxpLz7Y1Z0XoRJmOkAUwHZy+2qDaIqbMd mIse49HGrVml3HYhG4vcUKquF4PmGXv7Fi7QEpUx/SvXtNIaYpNQiatHJYY+o7N4A8Ss zx2vZKFl88Z7svGALWMdOnDStY+Rl6aupg/ESSpiYsi9SUg2Q6mXgNIYnm0CG186vd/9 CmhaR795SFKc8ntDNgXSJRdiQ6JJJW8BhviqYiMFe7E8IK13/+pRazkfFYUeqV+BlgRz m2Yg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684757785; x=1687349785; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=of7dhH8J3ho1PfuXe76W3u3tJHukqwcuraQIJQcYN60=; b=j5exVz/wQSqFfkgqgR4BcHXZS9eaSI2G13ZlUbXEkJozN67yd5dA3vdPdO5YHFX71m DlABZoBzGGEfgwVvAN1oOHY40kyuAtVQ6Se72W76rRQTaV5RQjQNBKqoM4ICi6ZCS+1d FfSyUQYEzLaivPfcr0yo0JNW9y7cglgd5IG/UMwbZq9wk6RyUFLi7JozOirDUA2oS2l8 0in6vL6R0HeZRU1vajRnN5By1//P4F6VfGuuw/p5aZ+nGhlhcpvWDEpQCb3SB1tvI+7U 1OZ8/FnAlalOesY9ZJjM8xV6H5R/9YUZR8hUTumjeKng62PmACHE99SlekiDLGYrVRVN 1doQ== X-Gm-Message-State: AC+VfDzTzAOsBCFS1ZYF+qqAuJ0RZjNrCvjLb3nLg5s6IBGB4SZeVUeZ 5KnogGHdjwyTH2zkEcX9dOc= X-Google-Smtp-Source: ACHHUZ5iPQRvAzfYeHS21dOJr4kXanM4mzWwkMni0MAf/pp0FexpqhAICo6YCIZpRsHeEJUcw9e59Q== X-Received: by 2002:a17:906:5d08:b0:961:8570:4589 with SMTP id g8-20020a1709065d0800b0096185704589mr11089592ejt.30.1684757784983; Mon, 22 May 2023 05:16:24 -0700 (PDT) Received: from arinc9-PC.. ([149.91.1.15]) by smtp.gmail.com with ESMTPSA id y26-20020a17090614da00b009659fed3612sm2999950ejc.24.2023.05.22.05.16.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 May 2023 05:16:24 -0700 (PDT) From: arinc9.unal@gmail.com X-Google-Original-From: arinc.unal@arinc9.com To: Sean Wang , Landen Chao , DENG Qingfang , Daniel Golle , Andrew Lunn , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , AngeloGioacchino Del Regno , Russell King Cc: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= , Richard van Schagen , Richard van Schagen , Frank Wunderlich , Bartel Eerdekens , erkin.bozoglu@xeront.com, mithat.guner@xeront.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH net-next 13/30] net: dsa: mt7530: move enabling port 6 to mt7530_setup_port6() Date: Mon, 22 May 2023 15:15:15 +0300 Message-Id: <20230522121532.86610-14-arinc.unal@arinc9.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230522121532.86610-1-arinc.unal@arinc9.com> References: <20230522121532.86610-1-arinc.unal@arinc9.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net From: Arınç ÜNAL Enable port 6 only when port 6 is being used. Update the comment on mt7530_setup() with a better explanation. Do not set MHWTRAP_MANUAL on mt7530_setup_port5() as it's already done on mt7530_setup() beforehand. Tested-by: Arınç ÜNAL Signed-off-by: Arınç ÜNAL --- drivers/net/dsa/mt7530.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index fa48273269c4..47b89193d4cc 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -406,6 +406,8 @@ mt7530_setup_port6(struct dsa_switch *ds, phy_interface_t interface) struct mt7530_priv *priv = ds->priv; u32 ncpo1, ssc_delta, trgint, xtal; + mt7530_clear(priv, MT7530_MHWTRAP, MHWTRAP_P6_DIS); + xtal = mt7530_read(priv, MT7530_HWTRAP) & HWTRAP_XTAL_MASK; switch (interface) { @@ -897,7 +899,7 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface) val = mt7530_read(priv, MT7530_MHWTRAP); - val |= MHWTRAP_MANUAL | MHWTRAP_P5_MAC_SEL | MHWTRAP_P5_DIS; + val |= MHWTRAP_P5_MAC_SEL | MHWTRAP_P5_DIS; val &= ~MHWTRAP_P5_RGMII_MODE & ~MHWTRAP_PHY0_SEL; switch (priv->p5_intf_sel) { @@ -2221,9 +2223,11 @@ mt7530_setup(struct dsa_switch *ds) mt7530_rmw(priv, MT7530_TRGMII_RD(i), RD_TAP_MASK, RD_TAP(16)); - /* Enable port 6 */ + /* Directly access the PHY registers via C_MDC/C_MDIO. The bit that + * enables modifying the hardware trap must be set for this. + */ val = mt7530_read(priv, MT7530_MHWTRAP); - val &= ~MHWTRAP_P6_DIS & ~MHWTRAP_PHY_ACCESS; + val &= ~MHWTRAP_PHY_ACCESS; val |= MHWTRAP_MANUAL; mt7530_write(priv, MT7530_MHWTRAP, val); -- 2.39.2