From patchwork Mon Jul 18 23:58:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Justin Chen X-Patchwork-Id: 12921875 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 58735C433EF for ; Mon, 18 Jul 2022 23:58:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235785AbiGRX6b (ORCPT ); Mon, 18 Jul 2022 19:58:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235784AbiGRX62 (ORCPT ); Mon, 18 Jul 2022 19:58:28 -0400 Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [IPv6:2607:f8b0:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0FBE033A1C; Mon, 18 Jul 2022 16:58:25 -0700 (PDT) Received: by mail-pf1-x436.google.com with SMTP id 70so12083781pfx.1; Mon, 18 Jul 2022 16:58:24 -0700 (PDT) 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; bh=pG0N4u96Y3Q7sKNcYzJoKZvufudR9Bye3mfkiP/vITk=; b=kJ+gr77ByQwmateTKMuk5p5k71vr62WdcAA9xkjmgtQwT0pzA5TuWcLBw2I2r0SgtV tCuxix6GMCpaTAcHlglVWo3owYpTI+KGSyVklEuFc4ZfanV2Xti2/ct8KnENCb1Zc7UJ WbyPHcUtLkSaYD3E1u2k+t04VLkc3gyA5ErJjkJvppNJGhDs/E+BFVZ7gXr0s0uc6KEM 3SmYg7Rrd9Y/knZynGCHF0qbYHbu81uRZC0RohxYWY0C9B951I++J44Mw3/vz/IDipjt 5Sto2nHgMwUZmGmRFD0k6jXsRflSTHPW+B3eBNM8si7seVBIOdFAPzW6LEzyV+h7JAZm wZgg== 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; bh=pG0N4u96Y3Q7sKNcYzJoKZvufudR9Bye3mfkiP/vITk=; b=VlcgYEdAs0i7HoKVpnCnrXdWYKkLWrem01kPa6xLhxCrPc8JYFLZusnkxj65eZy08B qynA6xgA0Ww7ad9H8uZwEZIQZBjQOwixogDDGVbC94w48xYRB3Qr3/gLheM1ds9BBdpM IBmrcRUgCU3n0mTp9bPbAd3qUaYRZ3cd6GJ3VwnW5HHU9Ar0BLwnMv+NONjQWKffdG8v 3tUwkjLxsyvKOi6qswU4zB0yGSymL814I9kW0JpV3jmzAEoQWVwz//iaJVu/01kiZczE RQouqtOgbbx/Y0BCHJ6PzQQk2CVBQkDCwAkuHwSwAOkahR5RrRKSC4hfRw5vAtDOqSuO GwJA== X-Gm-Message-State: AJIora/DtR45355ykCdJVn4XR3GFa7pb2C37zfdZPXfr9C/vWzq6SDOQ ZXbkT5UasjPAs8gDhXYS5oERuv+EukE= X-Google-Smtp-Source: AGRyM1sqfDpJP4Btxd2ClzkJbM/K+hAKokSVRpfHaBA4mY9VWvGMXYEXTssJhvAIlzIQcvFu96cGAw== X-Received: by 2002:a63:2b84:0:b0:412:5277:99dc with SMTP id r126-20020a632b84000000b00412527799dcmr26165686pgr.208.1658188703826; Mon, 18 Jul 2022 16:58:23 -0700 (PDT) Received: from stbirv-lnx-2.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id j20-20020a170902759400b00161ccdc172dsm10027067pll.300.2022.07.18.16.58.22 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 Jul 2022 16:58:23 -0700 (PDT) From: justinpopo6@gmail.com To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-usb@vger.kernel.org, jannh@google.com, jackychou@asix.com.tw, jesionowskigreg@gmail.com, joalonsof@gmail.com, justinpopo6@gmail.com, pabeni@redhat.com, kuba@kernel.org, edumazet@google.com, davem@davemloft.net, f.fainelli@gmail.com Cc: justin.chen@broadcom.com Subject: [PATCH 1/5] net: usb: ax88179_178a: remove redundant init code Date: Mon, 18 Jul 2022 16:58:05 -0700 Message-Id: <1658188689-30846-2-git-send-email-justinpopo6@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1658188689-30846-1-git-send-email-justinpopo6@gmail.com> References: <1658188689-30846-1-git-send-email-justinpopo6@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Justin Chen Bind and reset are basically doing the same thing. Remove the duplicate code and have bind call into reset. Signed-off-by: Justin Chen --- drivers/net/usb/ax88179_178a.c | 79 +++--------------------------------------- 1 file changed, 4 insertions(+), 75 deletions(-) diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index ac2d400..e0de98c 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -164,6 +164,8 @@ #define GMII_PHY_PGSEL_PAGE3 0x0003 #define GMII_PHY_PGSEL_PAGE5 0x0005 +static int ax88179_reset(struct usbnet *dev); + struct ax88179_data { u8 eee_enabled; u8 eee_active; @@ -1326,7 +1328,6 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf) u16 *tmp16; u8 *tmp; struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data; - struct ethtool_eee eee_data; usbnet_get_endpoints(dev, intf); @@ -1335,34 +1336,6 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf) memset(ax179_data, 0, sizeof(*ax179_data)); - /* Power up ethernet PHY */ - *tmp16 = 0; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16); - *tmp16 = AX_PHYPWR_RSTCTL_IPRL; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16); - msleep(200); - - *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp); - msleep(100); - - /* Read MAC address from DTB or asix chip */ - ax88179_get_mac_addr(dev); - memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN); - - /* RX bulk configuration */ - memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5); - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp); - - dev->rx_urb_size = 1024 * 20; - - *tmp = 0x34; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp); - - *tmp = 0x52; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH, - 1, 1, tmp); - dev->net->netdev_ops = &ax88179_netdev_ops; dev->net->ethtool_ops = &ax88179_ethtool_ops; dev->net->needed_headroom = 8; @@ -1384,46 +1357,7 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf) netif_set_tso_max_size(dev->net, 16384); - /* Enable checksum offload */ - *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | - AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp); - - *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP | - AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp); - - /* Configure RX control register => start operation */ - *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START | - AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16); - - *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL | - AX_MONITOR_MODE_RWMP; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp); - - /* Configure default medium type => giga */ - *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN | - AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX | - AX_MEDIUM_GIGAMODE; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, - 2, 2, tmp16); - - ax88179_led_setting(dev); - - ax179_data->eee_enabled = 0; - ax179_data->eee_active = 0; - - ax88179_disable_eee(dev); - - ax88179_ethtool_get_eee(dev, &eee_data); - eee_data.advertised = 0; - ax88179_ethtool_set_eee(dev, &eee_data); - - /* Restart autoneg */ - mii_nway_restart(&dev->mii); - - usbnet_link_change(dev, 0, 0); + ax88179_reset(dev); return 0; } @@ -1716,6 +1650,7 @@ static int ax88179_reset(struct usbnet *dev) /* Read MAC address from DTB or asix chip */ ax88179_get_mac_addr(dev); + memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN); /* RX bulk configuration */ memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5); @@ -1730,12 +1665,6 @@ static int ax88179_reset(struct usbnet *dev) ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH, 1, 1, tmp); - dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM; - - dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM; - /* Enable checksum offload */ *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;