From nobody Sun Feb 8 05:29:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59F46C7EE25 for ; Wed, 7 Jun 2023 12:08:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240205AbjFGMIW (ORCPT ); Wed, 7 Jun 2023 08:08:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239526AbjFGMIV (ORCPT ); Wed, 7 Jun 2023 08:08:21 -0400 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::224]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF3F51BD4; Wed, 7 Jun 2023 05:08:19 -0700 (PDT) X-GND-Sasl: maxime.chevallier@bootlin.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1686139698; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6WgS2itewXgwIqmxjlbCVju713PZbtSt5czOzpTuXBA=; b=INw8V+2UyFA/SPRFanuth0K/BngfjNL1jgchzheesyHYptmp5GvGnc+eRJ3pkV5Gs1jTRf u000j3TuffrZhH+D4bfp2tGaxRae2v5NO547fXC+VWipEBuHWo1969nY0W7t6xUtCWbJGo 9lPidmLHPTrqJxsOs0RFWaFWlI45okDOx6QBUJTYWugXu4nEN2ohE5cMINXi+rMJRRF6ua jn0ivkiOYqYr8+Dors43NrstoqhZbrv8fAgd+F4GTPi9pQpuVDtQIDTIrX8SMb0ofGrr97 26hwkPgxT8FC8tdyYIP4qg6TNqjAmUlJkobM+Bcz/EUrW9m6mfi1D5M8TQaDRQ== X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com Received: by mail.gandi.net (Postfix) with ESMTPSA id EAB9DE000D; Wed, 7 Jun 2023 12:08:15 +0000 (UTC) From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, alexis.lothore@bootlin.com, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Florian Fainelli , Heiner Kallweit , Russell King , Vladimir Oltean , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Maxime Coquelin , Jose Abreu , Alexandre Torgue , Giuseppe Cavallaro , Simon Horman , Maciej Fijalkowski , Feiyang Chen Subject: [PATCH net-next v4 1/5] net: altera-tse: Initialize local structs before using it Date: Wed, 7 Jun 2023 15:59:37 +0200 Message-Id: <20230607135941.407054-2-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230607135941.407054-1-maxime.chevallier@bootlin.com> References: <20230607135941.407054-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The regmap_config and mdio_regmap_config objects needs to be zeroed before using them. This will cause spurious errors at probe time as config->pad_bi= ts is containing random uninitialized data. Fixes: db48abbaa18e ("net: ethernet: altera-tse: Convert to mdio-regmap and= use PCS Lynx") Signed-off-by: Maxime Chevallier Reviewed-by: Russell King (Oracle) --- V3->V4 : Also zero "mrc" from Maciej's review V2->V3 : No changes V1->V2 : No changes drivers/net/ethernet/altera/altera_tse_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/et= hernet/altera/altera_tse_main.c index d866c0f1b503..215f9fb89c5b 100644 --- a/drivers/net/ethernet/altera/altera_tse_main.c +++ b/drivers/net/ethernet/altera/altera_tse_main.c @@ -1255,6 +1255,8 @@ static int altera_tse_probe(struct platform_device *p= dev) if (ret) goto err_free_netdev; =20 + memset(&pcs_regmap_cfg, 0, sizeof(pcs_regmap_cfg)); + memset(&mrc, 0, sizeof(mrc)); /* SGMII PCS address space. The location can vary depending on how the * IP is integrated. We can have a resource dedicated to it at a specific * address space, but if it's not the case, we fallback to the mdiophy0 --=20 2.40.1 From nobody Sun Feb 8 05:29:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38454C7EE23 for ; Wed, 7 Jun 2023 12:09:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239982AbjFGMI6 (ORCPT ); Wed, 7 Jun 2023 08:08:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240227AbjFGMIX (ORCPT ); Wed, 7 Jun 2023 08:08:23 -0400 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A95B1BD6; Wed, 7 Jun 2023 05:08:21 -0700 (PDT) X-GND-Sasl: maxime.chevallier@bootlin.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1686139700; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=At0AjpP7baWbSDLanUe9mFxHCTEVmm+qTfAUCvB7Gp8=; b=dQMSXiIW3ZWK0uFu2pu1VSHFpPXVLAHgvFKT8zjRVURaM47m9LfzUQygnPD5QLsZKNeUSf 0s/oLjaS8mTjTAOxjUGxDcL/x1TSZ5qfyyfF2klC7b9vQ58bVNdQpMxXpOlIQTW2+kbarU 1AwqItuhADOeUwOl8WnaP4Pg1g1EbsuzCPsyVzD/NCqmmm0zokKFqLjF+jz5+C5s05AU0k rRPbTJFlZsseWdPft8CGQ0BC+BPaTIStpdlZ7ymUm3xeAgMA8K+pCwqfr8fK8rsAphqBkT Os652C7hkCVRjY2e4lxZPPR12yRLj+b4lVCIFVFc0nXmwjenOuvF5upae5axKw== X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com Received: by mail.gandi.net (Postfix) with ESMTPSA id AA75FE0011; Wed, 7 Jun 2023 12:08:18 +0000 (UTC) From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, alexis.lothore@bootlin.com, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Florian Fainelli , Heiner Kallweit , Russell King , Vladimir Oltean , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Maxime Coquelin , Jose Abreu , Alexandre Torgue , Giuseppe Cavallaro , Simon Horman , Maciej Fijalkowski , Feiyang Chen Subject: [PATCH net-next v4 2/5] net: altera_tse: Use the correct Kconfig option for the PCS_LYNX dependency Date: Wed, 7 Jun 2023 15:59:38 +0200 Message-Id: <20230607135941.407054-3-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230607135941.407054-1-maxime.chevallier@bootlin.com> References: <20230607135941.407054-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use the correct Kconfig dependency for altera_tse as PCS_ALTERA_TSE was replaced by PCS_LYNX. Fixes: db48abbaa18e ("net: ethernet: altera-tse: Convert to mdio-regmap and= use PCS Lynx") Signed-off-by: Maxime Chevallier Reviewed-by: Russell King (Oracle) --- V3->V4 : No changes V2->V3 : Fix a typo in the commit title V1->V2 : New patch drivers/net/ethernet/altera/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/altera/Kconfig b/drivers/net/ethernet/alt= era/Kconfig index 93533ba03429..17985319088c 100644 --- a/drivers/net/ethernet/altera/Kconfig +++ b/drivers/net/ethernet/altera/Kconfig @@ -4,7 +4,7 @@ config ALTERA_TSE depends on HAS_DMA select PHYLIB select PHYLINK - select PCS_ALTERA_TSE + select PCS_LYNX select MDIO_REGMAP select REGMAP_MMIO help --=20 2.40.1 From nobody Sun Feb 8 05:29:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36A53C7EE23 for ; Wed, 7 Jun 2023 12:09:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240168AbjFGMJC (ORCPT ); Wed, 7 Jun 2023 08:09:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240495AbjFGMI0 (ORCPT ); Wed, 7 Jun 2023 08:08:26 -0400 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 63F591BDA; Wed, 7 Jun 2023 05:08:24 -0700 (PDT) X-GND-Sasl: maxime.chevallier@bootlin.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1686139703; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JAZzarZqhM2iVjfpFiTJa4PhaSPy8dShUtf29Ng6/6c=; b=YxldgSAcYSesTyWKUeEpxssivRO2lMjbEBJ77yE0epqggeY6sbg/z8rajFXfHTPIfYDxVn xAYbLzj5wlB7whJ1PQLOhAilmC/Vlo/ZcmyGZSnsQX4INlswuMvHygawRRQY0soXE2Mjog saE6hlbl+wJoVkxrgECrIETaMuYVhxV3V2bSOVQc6SpMhAp/aJBSa+7jwLwo7fbeXatvOU A4r1AFQ07ul9QDae+xDRZlOXdX87a4TTSJB97ccP82vZHiicGWITB/2TZqgnmCf3OiPWQB uHOUkhgFHu0rdG0qnSybOzpx5jeoChUcdrCyaZO+Q3me7uBLGcM0lfhwyWtn7A== X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com Received: by mail.gandi.net (Postfix) with ESMTPSA id E559CE0012; Wed, 7 Jun 2023 12:08:20 +0000 (UTC) From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, alexis.lothore@bootlin.com, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Florian Fainelli , Heiner Kallweit , Russell King , Vladimir Oltean , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Maxime Coquelin , Jose Abreu , Alexandre Torgue , Giuseppe Cavallaro , Simon Horman , Maciej Fijalkowski , Feiyang Chen , Russell King Subject: [PATCH net-next v4 3/5] net: stmmac: make the pcs_lynx cleanup sequence specific to dwmac_socfpga Date: Wed, 7 Jun 2023 15:59:39 +0200 Message-Id: <20230607135941.407054-4-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230607135941.407054-1-maxime.chevallier@bootlin.com> References: <20230607135941.407054-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" So far, only the dwmac_socfpga variant of stmmac uses PCS Lynx. Use a dedicated cleanup sequence for dwmac_socfpga instead of using the generic stmmac one. Fixes: 5d1f3fe7d2d5 ("net: stmmac: dwmac-sogfpga: use the lynx pcs driver") Suggested-by: Russell King (Oracle) Signed-off-by: Maxime Chevallier Reviewed-by: Russell King (Oracle) --- V3->V4 : No changes V2->V3 : Removed extra whiteline V1->V2 : New patch drivers/net/ethernet/stmicro/stmmac/common.h | 1 - .../net/ethernet/stmicro/stmmac/dwmac-socfpga.c | 14 +++++++++++++- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 3 --- 3 files changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/eth= ernet/stmicro/stmmac/common.h index 52c5ec553276..16e67c18b6f7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -16,7 +16,6 @@ #include #include #include -#include #include #if IS_ENABLED(CONFIG_VLAN_8021Q) #define STMMAC_VLAN_TAG_USED diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/= net/ethernet/stmicro/stmmac/dwmac-socfpga.c index e399fccbafe5..1fb808be843b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include =20 @@ -494,6 +495,17 @@ static int socfpga_dwmac_probe(struct platform_device = *pdev) return ret; } =20 +static void socfpga_dwmac_remove(struct platform_device *pdev) +{ + struct net_device *ndev =3D platform_get_drvdata(pdev); + struct stmmac_priv *priv =3D netdev_priv(ndev); + struct phylink_pcs *pcs =3D priv->hw->lynx_pcs; + + stmmac_pltfr_remove(pdev); + + lynx_pcs_destroy(pcs); +} + #ifdef CONFIG_PM_SLEEP static int socfpga_dwmac_resume(struct device *dev) { @@ -565,7 +577,7 @@ MODULE_DEVICE_TABLE(of, socfpga_dwmac_match); =20 static struct platform_driver socfpga_dwmac_driver =3D { .probe =3D socfpga_dwmac_probe, - .remove_new =3D stmmac_pltfr_remove, + .remove_new =3D socfpga_dwmac_remove, .driver =3D { .name =3D "socfpga-dwmac", .pm =3D &socfpga_dwmac_pm_ops, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/ne= t/ethernet/stmicro/stmmac/stmmac_mdio.c index c784a6731f08..3db1cb0fd160 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -665,9 +665,6 @@ int stmmac_mdio_unregister(struct net_device *ndev) if (priv->hw->xpcs) xpcs_destroy(priv->hw->xpcs); =20 - if (priv->hw->lynx_pcs) - lynx_pcs_destroy(priv->hw->lynx_pcs); - mdiobus_unregister(priv->mii); priv->mii->priv =3D NULL; mdiobus_free(priv->mii); --=20 2.40.1 From nobody Sun Feb 8 05:29:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79241C7EE2F for ; Wed, 7 Jun 2023 12:09:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239800AbjFGMJF (ORCPT ); Wed, 7 Jun 2023 08:09:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240525AbjFGMI3 (ORCPT ); Wed, 7 Jun 2023 08:08:29 -0400 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::224]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB6631BEC; Wed, 7 Jun 2023 05:08:26 -0700 (PDT) X-GND-Sasl: maxime.chevallier@bootlin.com DKIM-Signature: v=1; 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Wed, 7 Jun 2023 12:08:23 +0000 (UTC) From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, alexis.lothore@bootlin.com, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Florian Fainelli , Heiner Kallweit , Russell King , Vladimir Oltean , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Maxime Coquelin , Jose Abreu , Alexandre Torgue , Giuseppe Cavallaro , Simon Horman , Maciej Fijalkowski , Feiyang Chen , Russell King Subject: [PATCH net-next v4 4/5] net: altera_tse: explicitly disable autoscan on the regmap-mdio bus Date: Wed, 7 Jun 2023 15:59:40 +0200 Message-Id: <20230607135941.407054-5-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230607135941.407054-1-maxime.chevallier@bootlin.com> References: <20230607135941.407054-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Set the .autoscan flag to false on the regmap-mdio bus, to avoid using a random uninitialized value. We don't want autoscan in this case as the mdio device is a PCS and not a PHY. Fixes: db48abbaa18e ("net: ethernet: altera-tse: Convert to mdio-regmap and= use PCS Lynx") Suggested-by: Russell King (Oracle) Signed-off-by: Maxime Chevallier Reviewed-by: Russell King (Oracle) --- V3->V4 : No changes V2->V3 : New patch drivers/net/ethernet/altera/altera_tse_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/et= hernet/altera/altera_tse_main.c index 215f9fb89c5b..2e15800e5310 100644 --- a/drivers/net/ethernet/altera/altera_tse_main.c +++ b/drivers/net/ethernet/altera/altera_tse_main.c @@ -1288,6 +1288,7 @@ static int altera_tse_probe(struct platform_device *p= dev) mrc.regmap =3D pcs_regmap; mrc.parent =3D &pdev->dev; mrc.valid_addr =3D 0x0; + mrc.autoscan =3D false; =20 /* Rx IRQ */ priv->rx_irq =3D platform_get_irq_byname(pdev, "rx_irq"); --=20 2.40.1 From nobody Sun Feb 8 05:29:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D58DC7EE29 for ; Wed, 7 Jun 2023 12:09:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240534AbjFGMJK (ORCPT ); Wed, 7 Jun 2023 08:09:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240544AbjFGMIc (ORCPT ); Wed, 7 Jun 2023 08:08:32 -0400 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::224]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 603191BE6; Wed, 7 Jun 2023 05:08:29 -0700 (PDT) X-GND-Sasl: maxime.chevallier@bootlin.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1686139708; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=GrgFo3H2q3uXB3KxPepXLazZqm3F9wUP/Ceq11kw4Q8=; b=nm3p9FV59L0k4MrGfuiIlocHxtlxOZzyPfwuLhO6PHUtoWG0jIeVTzi63C4dLmHlIzmhWP HC4I3WsB1dkwCA37y5K9fl2xlurC93+5OeM7N9Hc9mamvRkgaElDfx846Rbhu39HgBoPnN eoU+89Wdvfu06pVv6cDMjU9DtJQ6vMpPDlIdOjhi+WuMfGwGQxRtKljK+tMB7YExKjjmKf IZg0cjpAgq8eazVFhPUh3vHZy1fsravHOhrgVo6zhIA7Zl6oauZcN7bf8T0X3+ymndnRHO 6/BN+g5frqE7XVHKTSlsbV7ggCya8VnZlWSs2CoA/OL6ZcWWBRuMYFOtprcezA== X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com X-GND-Sasl: maxime.chevallier@bootlin.com Received: by mail.gandi.net (Postfix) with ESMTPSA id 94C32E0007; Wed, 7 Jun 2023 12:08:25 +0000 (UTC) From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, alexis.lothore@bootlin.com, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Florian Fainelli , Heiner Kallweit , Russell King , Vladimir Oltean , Ioana Ciornei , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Maxime Coquelin , Jose Abreu , Alexandre Torgue , Giuseppe Cavallaro , Simon Horman , Maciej Fijalkowski , Feiyang Chen , Russell King Subject: [PATCH net-next v4 5/5] net: dwmac_socfpga: initialize local data for mdio regmap configuration Date: Wed, 7 Jun 2023 15:59:41 +0200 Message-Id: <20230607135941.407054-6-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230607135941.407054-1-maxime.chevallier@bootlin.com> References: <20230607135941.407054-1-maxime.chevallier@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Explicitely zero-ize the local mdio_regmap_config data, and explicitely set the .autoscan parameter, as we only have a PCS on this bus. Fixes: 5d1f3fe7d2d5 ("net: stmmac: dwmac-sogfpga: use the lynx pcs driver") Suggested-by: Russell King (Oracle) Suggested-by: Maciej Fijalkowski Signed-off-by: Maxime Chevallier Reviewed-by: Russell King (Oracle) --- V3->V4 : Move pcs_regmap_cfg into a more local block, and zeroize mrc V2->V3 : New patch .../net/ethernet/stmicro/stmmac/dwmac-socfpga.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/= net/ethernet/stmicro/stmmac/dwmac-socfpga.c index 1fb808be843b..6267bcb60206 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c @@ -389,7 +389,6 @@ static int socfpga_dwmac_probe(struct platform_device *= pdev) struct net_device *ndev; struct stmmac_priv *stpriv; const struct socfpga_dwmac_ops *ops; - struct regmap_config pcs_regmap_cfg; =20 ops =3D device_get_match_data(&pdev->dev); if (!ops) { @@ -447,19 +446,22 @@ static int socfpga_dwmac_probe(struct platform_device= *pdev) if (ret) goto err_dvr_remove; =20 - memset(&pcs_regmap_cfg, 0, sizeof(pcs_regmap_cfg)); - pcs_regmap_cfg.reg_bits =3D 16; - pcs_regmap_cfg.val_bits =3D 16; - pcs_regmap_cfg.reg_shift =3D REGMAP_UPSHIFT(1); - /* Create a regmap for the PCS so that it can be used by the PCS driver, * if we have such a PCS */ if (dwmac->tse_pcs_base) { + struct regmap_config pcs_regmap_cfg; struct mdio_regmap_config mrc; struct regmap *pcs_regmap; struct mii_bus *pcs_bus; =20 + memset(&pcs_regmap_cfg, 0, sizeof(pcs_regmap_cfg)); + memset(&mrc, 0, sizeof(mrc)); + + pcs_regmap_cfg.reg_bits =3D 16; + pcs_regmap_cfg.val_bits =3D 16; + pcs_regmap_cfg.reg_shift =3D REGMAP_UPSHIFT(1); + pcs_regmap =3D devm_regmap_init_mmio(&pdev->dev, dwmac->tse_pcs_base, &pcs_regmap_cfg); if (IS_ERR(pcs_regmap)) { @@ -470,6 +472,7 @@ static int socfpga_dwmac_probe(struct platform_device *= pdev) mrc.regmap =3D pcs_regmap; mrc.parent =3D &pdev->dev; mrc.valid_addr =3D 0x0; + mrc.autoscan =3D false; =20 snprintf(mrc.name, MII_BUS_ID_SIZE, "%s-pcs-mii", ndev->name); pcs_bus =3D devm_mdio_regmap_register(&pdev->dev, &mrc); --=20 2.40.1