From patchwork Wed Jun 7 13:59:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Chevallier X-Patchwork-Id: 13270597 X-Patchwork-Delegate: kuba@kernel.org 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 AF25130B90 for ; Wed, 7 Jun 2023 12:08:32 +0000 (UTC) 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> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org 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 --- 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; ops = 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; - memset(&pcs_regmap_cfg, 0, sizeof(pcs_regmap_cfg)); - pcs_regmap_cfg.reg_bits = 16; - pcs_regmap_cfg.val_bits = 16; - pcs_regmap_cfg.reg_shift = 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; + memset(&pcs_regmap_cfg, 0, sizeof(pcs_regmap_cfg)); + memset(&mrc, 0, sizeof(mrc)); + + pcs_regmap_cfg.reg_bits = 16; + pcs_regmap_cfg.val_bits = 16; + pcs_regmap_cfg.reg_shift = REGMAP_UPSHIFT(1); + pcs_regmap = 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 = pcs_regmap; mrc.parent = &pdev->dev; mrc.valid_addr = 0x0; + mrc.autoscan = false; snprintf(mrc.name, MII_BUS_ID_SIZE, "%s-pcs-mii", ndev->name); pcs_bus = devm_mdio_regmap_register(&pdev->dev, &mrc);