From patchwork Thu May 28 12:34:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 218335 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E1A7C433E1 for ; Thu, 28 May 2020 12:35:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28D1F2068D for ; Thu, 28 May 2020 12:35:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="agYjZQeO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389806AbgE1Mfg (ORCPT ); Thu, 28 May 2020 08:35:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389769AbgE1MfP (ORCPT ); Thu, 28 May 2020 08:35:15 -0400 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 496FFC08C5C8 for ; Thu, 28 May 2020 05:35:15 -0700 (PDT) Received: by mail-wm1-x342.google.com with SMTP id n5so3007828wmd.0 for ; Thu, 28 May 2020 05:35:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=+G7RdtEM9Tjyup1qpXdvSxuTiPiV2T/6Xv3zi3kgdqw=; b=agYjZQeOyZ2AKf60nZ90apYgp7Yv0o1BklkIQFUjoNOenWr/OvSkdORC94vYkhfcDg DOgAqd08KF2s8QEItyJuayobS5m2gdfgojHTRwjSc76k3rYZRkYNCq0Nx3J3GJaWT4bK kdogL5Yhno/HKBQkDHpHts1NCAqaAAA4jKFfAvVRsCiNRWwlvHPJfCqZhA2Z7FKnjNuR 0mvQ3Io3RUeLuTVB8Xr8qE0+xDqRa9fM/iBCjtm7/UZmGsaliTfUEM2/gjVayPouAnzc 7j8kyvWhtcMo4s0q+rMEKcpzWijxVxRGraJHOVVEqcSU7eJy/B4sXAn7rzn/HPHrF/a3 5w2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=+G7RdtEM9Tjyup1qpXdvSxuTiPiV2T/6Xv3zi3kgdqw=; b=srb80aUplhtFEPnsr2tHD+FDJ63BpIgBPmDQ8yf3p9RURCtqjd7bJO+G0DgT7DSksa 587wV6CWAWfQwujAfxjJS2DlnOReIuoq0A9hV+F5aqyhmTDfweX+NpU7raql6JUGur0g /+i25X8dn0LRDW0Qv0C6M+14wwzCJcAc4E46d0IHj5q1W5iY5M7T2YpSnq5K3XEuxNOl wLqD4dwgWn/VIfhzR0sX9KjyT8qiuplLr8XgVc4OE9Xoo/8KV3ADMIeV+o5iK0EkGju/ qCgsNm2O0k1oz4+QNlzEKMi9eKygti8DYsgR45qGk8DNyXKSKH8sX88hUwyV2C3tiqRP mA2Q== X-Gm-Message-State: AOAM532pcAZ/JbNBh4iR/cPF+qtL8AgxDkxXmxkU7cSejmue0eOyNTYx 22+AJE11tA7TCHgYprdtr1RM4g== X-Google-Smtp-Source: ABdhPJx9Jl9dNfglp38Fbyofob3ykhPOc3lBvfMMdzC7r7DXwkN65ZMkM1MkCvyFFas/ZyzprY7Siw== X-Received: by 2002:a1c:2d14:: with SMTP id t20mr3308643wmt.28.1590669314028; Thu, 28 May 2020 05:35:14 -0700 (PDT) Received: from localhost.localdomain (lfbn-nic-1-65-232.w2-15.abo.wanadoo.fr. [2.15.156.232]) by smtp.gmail.com with ESMTPSA id c140sm6027306wmd.18.2020.05.28.05.35.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 May 2020 05:35:13 -0700 (PDT) From: Bartosz Golaszewski To: John Crispin , Sean Wang , Mark Lee , "David S . Miller" , Jakub Kicinski , Matthias Brugger , Mark Brown Cc: netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Fabien Parent , Stephane Le Provost , Pedro Tsai , Andrew Perepech , Bartosz Golaszewski Subject: [PATCH 2/2] net: ethernet: mtk-star-emac: use regmap bitops Date: Thu, 28 May 2020 14:34:59 +0200 Message-Id: <20200528123459.21168-3-brgl@bgdev.pl> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200528123459.21168-1-brgl@bgdev.pl> References: <20200528123459.21168-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Bartosz Golaszewski Shrink the code visually by replacing regmap_update_bits() with appropriate regmap bit operations where applicable. Signed-off-by: Bartosz Golaszewski --- drivers/net/ethernet/mediatek/mtk_star_emac.c | 80 ++++++++----------- 1 file changed, 35 insertions(+), 45 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c index 8596ca0e60eb..326ac792a4a0 100644 --- a/drivers/net/ethernet/mediatek/mtk_star_emac.c +++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c @@ -413,8 +413,8 @@ static void mtk_star_dma_unmap_tx(struct mtk_star_priv *priv, static void mtk_star_nic_disable_pd(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_MAC_CFG, - MTK_STAR_BIT_MAC_CFG_NIC_PD, 0); + regmap_clear_bits(priv->regs, MTK_STAR_REG_MAC_CFG, + MTK_STAR_BIT_MAC_CFG_NIC_PD); } /* Unmask the three interrupts we care about, mask all others. */ @@ -434,41 +434,38 @@ static void mtk_star_intr_disable(struct mtk_star_priv *priv) static void mtk_star_intr_enable_tx(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, - MTK_STAR_BIT_INT_STS_TNTC, 0); + regmap_clear_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_BIT_INT_STS_TNTC); } static void mtk_star_intr_enable_rx(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, - MTK_STAR_BIT_INT_STS_FNRC, 0); + regmap_clear_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_BIT_INT_STS_FNRC); } static void mtk_star_intr_enable_stats(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, - MTK_STAR_REG_INT_STS_MIB_CNT_TH, 0); + regmap_clear_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_REG_INT_STS_MIB_CNT_TH); } static void mtk_star_intr_disable_tx(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, - MTK_STAR_BIT_INT_STS_TNTC, - MTK_STAR_BIT_INT_STS_TNTC); + regmap_set_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_BIT_INT_STS_TNTC); } static void mtk_star_intr_disable_rx(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, - MTK_STAR_BIT_INT_STS_FNRC, - MTK_STAR_BIT_INT_STS_FNRC); + regmap_set_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_BIT_INT_STS_FNRC); } static void mtk_star_intr_disable_stats(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, - MTK_STAR_REG_INT_STS_MIB_CNT_TH, - MTK_STAR_REG_INT_STS_MIB_CNT_TH); + regmap_set_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_REG_INT_STS_MIB_CNT_TH); } static unsigned int mtk_star_intr_read(struct mtk_star_priv *priv) @@ -524,12 +521,10 @@ static void mtk_star_dma_init(struct mtk_star_priv *priv) static void mtk_star_dma_start(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_TX_DMA_CTRL, - MTK_STAR_BIT_TX_DMA_CTRL_START, - MTK_STAR_BIT_TX_DMA_CTRL_START); - regmap_update_bits(priv->regs, MTK_STAR_REG_RX_DMA_CTRL, - MTK_STAR_BIT_RX_DMA_CTRL_START, - MTK_STAR_BIT_RX_DMA_CTRL_START); + regmap_set_bits(priv->regs, MTK_STAR_REG_TX_DMA_CTRL, + MTK_STAR_BIT_TX_DMA_CTRL_START); + regmap_set_bits(priv->regs, MTK_STAR_REG_RX_DMA_CTRL, + MTK_STAR_BIT_RX_DMA_CTRL_START); } static void mtk_star_dma_stop(struct mtk_star_priv *priv) @@ -553,16 +548,14 @@ static void mtk_star_dma_disable(struct mtk_star_priv *priv) static void mtk_star_dma_resume_rx(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_RX_DMA_CTRL, - MTK_STAR_BIT_RX_DMA_CTRL_RESUME, - MTK_STAR_BIT_RX_DMA_CTRL_RESUME); + regmap_set_bits(priv->regs, MTK_STAR_REG_RX_DMA_CTRL, + MTK_STAR_BIT_RX_DMA_CTRL_RESUME); } static void mtk_star_dma_resume_tx(struct mtk_star_priv *priv) { - regmap_update_bits(priv->regs, MTK_STAR_REG_TX_DMA_CTRL, - MTK_STAR_BIT_TX_DMA_CTRL_RESUME, - MTK_STAR_BIT_TX_DMA_CTRL_RESUME); + regmap_set_bits(priv->regs, MTK_STAR_REG_TX_DMA_CTRL, + MTK_STAR_BIT_TX_DMA_CTRL_RESUME); } static void mtk_star_set_mac_addr(struct net_device *ndev) @@ -845,8 +838,8 @@ static int mtk_star_hash_wait_ok(struct mtk_star_priv *priv) return ret; /* Check the BIST_OK bit. */ - regmap_read(priv->regs, MTK_STAR_REG_HASH_CTRL, &val); - if (!(val & MTK_STAR_BIT_HASH_CTRL_BIST_OK)) + if (!regmap_test_bits(priv->regs, MTK_STAR_REG_HASH_CTRL, + MTK_STAR_BIT_HASH_CTRL_BIST_OK)) return -EIO; return 0; @@ -880,12 +873,10 @@ static int mtk_star_reset_hash_table(struct mtk_star_priv *priv) if (ret) return ret; - regmap_update_bits(priv->regs, MTK_STAR_REG_HASH_CTRL, - MTK_STAR_BIT_HASH_CTRL_BIST_EN, - MTK_STAR_BIT_HASH_CTRL_BIST_EN); - regmap_update_bits(priv->regs, MTK_STAR_REG_TEST1, - MTK_STAR_BIT_TEST1_RST_HASH_MBIST, - MTK_STAR_BIT_TEST1_RST_HASH_MBIST); + regmap_set_bits(priv->regs, MTK_STAR_REG_HASH_CTRL, + MTK_STAR_BIT_HASH_CTRL_BIST_EN); + regmap_set_bits(priv->regs, MTK_STAR_REG_TEST1, + MTK_STAR_BIT_TEST1_RST_HASH_MBIST); return mtk_star_hash_wait_ok(priv); } @@ -1016,13 +1007,13 @@ static int mtk_star_enable(struct net_device *ndev) return ret; /* Setup the hashing algorithm */ - regmap_update_bits(priv->regs, MTK_STAR_REG_ARL_CFG, - MTK_STAR_BIT_ARL_CFG_HASH_ALG | - MTK_STAR_BIT_ARL_CFG_MISC_MODE, 0); + regmap_clear_bits(priv->regs, MTK_STAR_REG_ARL_CFG, + MTK_STAR_BIT_ARL_CFG_HASH_ALG | + MTK_STAR_BIT_ARL_CFG_MISC_MODE); /* Don't strip VLAN tags */ - regmap_update_bits(priv->regs, MTK_STAR_REG_MAC_CFG, - MTK_STAR_BIT_MAC_CFG_VLAN_STRIP, 0); + regmap_clear_bits(priv->regs, MTK_STAR_REG_MAC_CFG, + MTK_STAR_BIT_MAC_CFG_VLAN_STRIP); /* Setup DMA */ mtk_star_dma_init(priv); @@ -1204,9 +1195,8 @@ static void mtk_star_set_rx_mode(struct net_device *ndev) int ret; if (ndev->flags & IFF_PROMISC) { - regmap_update_bits(priv->regs, MTK_STAR_REG_ARL_CFG, - MTK_STAR_BIT_ARL_CFG_MISC_MODE, - MTK_STAR_BIT_ARL_CFG_MISC_MODE); + regmap_set_bits(priv->regs, MTK_STAR_REG_ARL_CFG, + MTK_STAR_BIT_ARL_CFG_MISC_MODE); } else if (netdev_mc_count(ndev) > MTK_STAR_HASHTABLE_MC_LIMIT || ndev->flags & IFF_ALLMULTI) { for (i = 0; i < MTK_STAR_HASHTABLE_SIZE_MAX; i++) {