From patchwork Wed Jan 5 03:15:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Luiz Angelo Daros de Luca X-Patchwork-Id: 12703991 X-Patchwork-Delegate: kuba@kernel.org 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 A9165C433EF for ; Wed, 5 Jan 2022 03:15:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235869AbiAEDPy (ORCPT ); Tue, 4 Jan 2022 22:15:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235819AbiAEDPx (ORCPT ); Tue, 4 Jan 2022 22:15:53 -0500 Received: from mail-qt1-x82e.google.com (mail-qt1-x82e.google.com [IPv6:2607:f8b0:4864:20::82e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9BBB3C061761 for ; Tue, 4 Jan 2022 19:15:53 -0800 (PST) Received: by mail-qt1-x82e.google.com with SMTP id y17so218258qtx.9 for ; Tue, 04 Jan 2022 19:15:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=LYs7nuT9QSLNG4slxKJ3aTbaAnxdwPsTPdy6q7fHCV4=; b=jKLTipEtH7P/1k+TOos7sR5c+dWG7KCdV1JKj9lWmQZgPhBrLQ3xbUwus7KBvpy3zU BDzga3KXPKCOMhEv1y88HTV8NsnL1i2OVslWAIgWfbI69fnc/jeXKHzLcUU/iNkmCsCa kfElIkyOj5IJyfKXAPDXj4hPLk/gqBaVqUqOA4myrQRxDWbtRo/O93hwjpgxCar3PNwW BURZNwiYgPutWrWlXLaj9oeebjqWIxQ6yrCUJMIYLQlLX0bRBM1h5gZafx5j2KewVPLW rYwuHwPxQ9wgcShCWUwYpadgNMsT99RpJ4bDi5lzeSti2lhwAknO8AQ51bOv6dAIw365 1s9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=LYs7nuT9QSLNG4slxKJ3aTbaAnxdwPsTPdy6q7fHCV4=; b=i6RLd+vxgist+B1d5afrkuN/8Zl+80O4Fcy9opnYdQFJQDe1hYpq6QzAWazaPyCEZ+ G/3xdLEwIBqsn1XhbqylytFPxWUJhXAH22Dxzy/7CWEYipqB7XJ75N5auA7Uc5MEBivc LBxeT+zBxoy78briH2HJ4WGqjmRVksKowBYnhWOcZ8ARUp5+u/mmgHciYzAEhdS7H+u3 Q8pbf8iIQ2xP1yxOxn1dYkiwzPgE4I3u4OXSZniX9OFbAd5TMwlUD0qhgr78cMrydIax MhY9FbU9lpd4zXPkmVnCo1xIEU3AhRroXrU7fcE7znbqF37IbAkdK2QElLKfzhPrlB5/ DICQ== X-Gm-Message-State: AOAM532GBHInUrEzPv00OhWoVW7IOUHSHbgRtumjHP9FUXmNaMPZgx5b K3jnPAtmEQQq7h8aKqDoBOFe13G8IOwX5Cv+ X-Google-Smtp-Source: ABdhPJybuaqJMrtuntb+scfBCx5Ogs9l4Vlz8SNDkAxM4XRU/LxYxiT7oLY3gM4KXg49Yh/sX1bljw== X-Received: by 2002:ac8:4f07:: with SMTP id b7mr47830331qte.301.1641352552551; Tue, 04 Jan 2022 19:15:52 -0800 (PST) Received: from tresc043793.tre-sc.gov.br ([187.94.103.218]) by smtp.gmail.com with ESMTPSA id t11sm32607629qkp.56.2022.01.04.19.15.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Jan 2022 19:15:52 -0800 (PST) From: Luiz Angelo Daros de Luca To: netdev@vger.kernel.org Cc: linus.walleij@linaro.org, andrew@lunn.ch, vivien.didelot@gmail.com, f.fainelli@gmail.com, olteanv@gmail.com, alsi@bang-olufsen.dk, arinc.unal@arinc9.com, frank-w@public-files.de, Luiz Angelo Daros de Luca Subject: [PATCH net-next v4 03/11] net: dsa: realtek: remove direct calls to realtek-smi Date: Wed, 5 Jan 2022 00:15:07 -0300 Message-Id: <20220105031515.29276-4-luizluca@gmail.com> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20220105031515.29276-1-luizluca@gmail.com> References: <20220105031515.29276-1-luizluca@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Remove the only two direct calls from subdrivers to realtek-smi. Now they are called from realtek_priv. Subdrivers can now be linked independently from realtek-smi. Signed-off-by: Luiz Angelo Daros de Luca Reviewed-by: Alvin Šipraga Reviewed-by: Linus Walleij Reviewed-by: Florian Fainelli --- drivers/net/dsa/realtek/realtek-smi-core.c | 15 +++++++++------ drivers/net/dsa/realtek/realtek.h | 7 ++----- drivers/net/dsa/realtek/rtl8365mb.c | 12 +++++++----- drivers/net/dsa/realtek/rtl8366rb.c | 12 +++++++----- 4 files changed, 25 insertions(+), 21 deletions(-) diff --git a/drivers/net/dsa/realtek/realtek-smi-core.c b/drivers/net/dsa/realtek/realtek-smi-core.c index 7dfd86a99c24..a917801385c9 100644 --- a/drivers/net/dsa/realtek/realtek-smi-core.c +++ b/drivers/net/dsa/realtek/realtek-smi-core.c @@ -292,12 +292,11 @@ static int realtek_smi_write_reg(struct realtek_priv *priv, * is when issueing soft reset. Since the device reset as soon as we write * that bit, no ACK will come back for natural reasons. */ -int realtek_smi_write_reg_noack(struct realtek_priv *priv, u32 addr, - u32 data) +static int realtek_smi_write_reg_noack(struct realtek_priv *priv, u32 addr, + u32 data) { return realtek_smi_write_reg(priv, addr, data, false); } -EXPORT_SYMBOL_GPL(realtek_smi_write_reg_noack); /* Regmap accessors */ @@ -342,8 +341,9 @@ static int realtek_smi_mdio_write(struct mii_bus *bus, int addr, int regnum, return priv->ops->phy_write(priv, addr, regnum, val); } -int realtek_smi_setup_mdio(struct realtek_priv *priv) +static int realtek_smi_setup_mdio(struct dsa_switch *ds) { + struct realtek_priv *priv = ds->priv; struct device_node *mdio_np; int ret; @@ -363,10 +363,10 @@ int realtek_smi_setup_mdio(struct realtek_priv *priv) priv->slave_mii_bus->read = realtek_smi_mdio_read; priv->slave_mii_bus->write = realtek_smi_mdio_write; snprintf(priv->slave_mii_bus->id, MII_BUS_ID_SIZE, "SMI-%d", - priv->ds->index); + ds->index); priv->slave_mii_bus->dev.of_node = mdio_np; priv->slave_mii_bus->parent = priv->dev; - priv->ds->slave_mii_bus = priv->slave_mii_bus; + ds->slave_mii_bus = priv->slave_mii_bus; ret = devm_of_mdiobus_register(priv->dev, priv->slave_mii_bus, mdio_np); if (ret) { @@ -413,6 +413,9 @@ static int realtek_smi_probe(struct platform_device *pdev) priv->cmd_write = var->cmd_write; priv->ops = var->ops; + priv->setup_interface = realtek_smi_setup_mdio; + priv->write_reg_noack = realtek_smi_write_reg_noack; + dev_set_drvdata(dev, priv); spin_lock_init(&priv->lock); diff --git a/drivers/net/dsa/realtek/realtek.h b/drivers/net/dsa/realtek/realtek.h index 177fff90b8a6..58814de563a2 100644 --- a/drivers/net/dsa/realtek/realtek.h +++ b/drivers/net/dsa/realtek/realtek.h @@ -66,6 +66,8 @@ struct realtek_priv { struct rtl8366_mib_counter *mib_counters; const struct realtek_ops *ops; + int (*setup_interface)(struct dsa_switch *ds); + int (*write_reg_noack)(struct realtek_priv *priv, u32 addr, u32 data); int vlan_enabled; int vlan4k_enabled; @@ -115,11 +117,6 @@ struct realtek_variant { size_t chip_data_sz; }; -/* SMI core calls */ -int realtek_smi_write_reg_noack(struct realtek_priv *priv, u32 addr, - u32 data); -int realtek_smi_setup_mdio(struct realtek_priv *priv); - /* RTL8366 library helpers */ int rtl8366_mc_is_used(struct realtek_priv *priv, int mc_index, int *used); int rtl8366_set_vlan(struct realtek_priv *priv, int vid, u32 member, diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c index 6b8797ba80c6..5fb453b5f650 100644 --- a/drivers/net/dsa/realtek/rtl8365mb.c +++ b/drivers/net/dsa/realtek/rtl8365mb.c @@ -1767,7 +1767,7 @@ static int rtl8365mb_reset_chip(struct realtek_priv *priv) { u32 val; - realtek_smi_write_reg_noack(priv, RTL8365MB_CHIP_RESET_REG, + priv->write_reg_noack(priv, RTL8365MB_CHIP_RESET_REG, FIELD_PREP(RTL8365MB_CHIP_RESET_HW_MASK, 1)); @@ -1849,10 +1849,12 @@ static int rtl8365mb_setup(struct dsa_switch *ds) if (ret) goto out_teardown_irq; - ret = realtek_smi_setup_mdio(priv); - if (ret) { - dev_err(priv->dev, "could not set up MDIO bus\n"); - goto out_teardown_irq; + if (priv->setup_interface) { + ret = priv->setup_interface(ds); + if (ret) { + dev_err(priv->dev, "could not set up MDIO bus\n"); + goto out_teardown_irq; + } } /* Start statistics counter polling */ diff --git a/drivers/net/dsa/realtek/rtl8366rb.c b/drivers/net/dsa/realtek/rtl8366rb.c index 241e6b6ebea5..34e371084d6d 100644 --- a/drivers/net/dsa/realtek/rtl8366rb.c +++ b/drivers/net/dsa/realtek/rtl8366rb.c @@ -1030,10 +1030,12 @@ static int rtl8366rb_setup(struct dsa_switch *ds) if (ret) dev_info(priv->dev, "no interrupt support\n"); - ret = realtek_smi_setup_mdio(priv); - if (ret) { - dev_info(priv->dev, "could not set up MDIO bus\n"); - return -ENODEV; + if (priv->setup_interface) { + ret = priv->setup_interface(ds); + if (ret) { + dev_err(priv->dev, "could not set up MDIO bus\n"); + return -ENODEV; + } } return 0; @@ -1705,7 +1707,7 @@ static int rtl8366rb_reset_chip(struct realtek_priv *priv) u32 val; int ret; - realtek_smi_write_reg_noack(priv, RTL8366RB_RESET_CTRL_REG, + priv->write_reg_noack(priv, RTL8366RB_RESET_CTRL_REG, RTL8366RB_CHIP_CTRL_RESET_HW); do { usleep_range(20000, 25000);