From patchwork Tue May 14 02:28:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 10941917 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 86C82912 for ; Tue, 14 May 2019 02:29:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 748A328571 for ; Tue, 14 May 2019 02:29:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 68976285A1; Tue, 14 May 2019 02:29:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id F3E3328571 for ; Tue, 14 May 2019 02:29:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5DRQxEDzfG5qEFsRVshL/VMrHsczOKvrz9kZIIUbTxY=; b=HzNNQmEhDTBIQp aMPsmrhXNwK/9xuK+B20z9q9s6KiLAcy1c/lsPt+Fu6V8Vp0OcQN30LFnWXMWnxnG5A2h1GvMo276 0xV4ULVpCCSPEGfvqmKj9yu9bHsNa6Y4w/zkouMVPmQH8Z00nIe5NWw/P7hIr9BNUdLWB0WDGU7LJ 6N4Ob8YhXRi8t2io1N8JGt1o6pwA3/wl6+hvfshr0FBeeKw6aTACLemi5FxKHT9tUueNN9mYfHtUM H35amxmelZuWpofwJPa+eULZIarYXvpCSDU8H/tpaAVI92rNClTylRENHrB67J9kl24bFm9keBC3j nuageEkQ2SYSd9jta/mA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQNCL-0002tT-6b; Tue, 14 May 2019 02:29:45 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQNBu-0002Db-59; Tue, 14 May 2019 02:29:19 +0000 X-UUID: fb8f96ead7f04dd9957871d5f1469892-20190513 X-UUID: fb8f96ead7f04dd9957871d5f1469892-20190513 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1184185803; Mon, 13 May 2019 18:29:03 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 13 May 2019 19:29:02 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 14 May 2019 10:28:59 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 14 May 2019 10:28:59 +0800 From: Biao Huang To: Jose Abreu , Subject: [v2, PATCH 1/4] net: stmmac: update rx tail pointer register to fix rx dma hang issue. Date: Tue, 14 May 2019 10:28:50 +0800 Message-ID: <1557800933-30759-2-git-send-email-biao.huang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> References: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: BFF06892274E258230A42B269C1340A867D8C85CDC8811EC2ED34BB15FBB6D6C2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190513_192918_285418_10E78ED8 X-CRM114-Status: UNSURE ( 8.60 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jianguo.zhang@mediatek.com, Alexandre Torgue , biao.huang@mediatek.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, yt.shen@mediatek.com, linux-mediatek@lists.infradead.org, Maxime Coquelin , Matthias Brugger , Giuseppe Cavallaro , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Currently we will not update the receive descriptor tail pointer in stmmac_rx_refill. Rx dma will think no available descriptors and stop once received packets exceed DMA_RX_SIZE, so that the rx only test will fail. Update the receive tail pointer in stmmac_rx_refill to add more descriptors to the rx channel, so packets can be received continually Signed-off-by: Biao Huang --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 97c5e1a..906f2be 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3336,6 +3336,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) entry = STMMAC_GET_ENTRY(entry, DMA_RX_SIZE); } rx_q->dirty_rx = entry; + stmmac_set_rx_tail_ptr(priv, priv->ioaddr, rx_q->rx_tail_addr, queue); } /** From patchwork Tue May 14 02:28:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 10941909 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D0066912 for ; Tue, 14 May 2019 02:29:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BC39728562 for ; Tue, 14 May 2019 02:29:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B09BC285A0; Tue, 14 May 2019 02:29:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 991DC28562 for ; Tue, 14 May 2019 02:29:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=AqM2K85UnIsWO/HGrsB3oO3BXZeSv8Lu/pb28dv8oU4=; b=nifbJYDNQteKXm vDB2mrePpGh62z5UfqDIqfYUpHXwDkh+UTNwoTcMqqwIv18qgWhAOmwRsocEZHg3MNf+IijQ42adn UeAPIGxgr1v1lJK5sh2KeSPuSWp3GeFg8rmrwazLVOaTrMw67yx+Jzx+oDN0QKEAAiZ96/KIuVvvz xcszKYM0RWX7ZVrp+zo4M8GGC6AirTtaprA6aeLGAARWQUENgm/4DiNbIQR1yqMndIUaCFTGYTdbU ABLldilSfhzhcnvK+kySivSnpTDd3o3qUwH9jIrReaVzZTberoHa6x7khDY+XUm7dwS5aQw2YAoIQ Fx9cF4Afcnhkwfq4PiXg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQNC2-0002Qn-6n; Tue, 14 May 2019 02:29:26 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQNBs-0002Dc-U4; Tue, 14 May 2019 02:29:18 +0000 X-UUID: e776dec5af1245b2b0c0a03aa34090d6-20190513 X-UUID: e776dec5af1245b2b0c0a03aa34090d6-20190513 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1070087971; Mon, 13 May 2019 18:29:07 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 13 May 2019 19:29:06 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 14 May 2019 10:29:00 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 14 May 2019 10:28:59 +0800 From: Biao Huang To: Jose Abreu , Subject: [v2, PATCH 2/4] net: stmmac: fix csr_clk can't be zero issue Date: Tue, 14 May 2019 10:28:51 +0800 Message-ID: <1557800933-30759-3-git-send-email-biao.huang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> References: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190513_192916_968808_4F4ACE27 X-CRM114-Status: GOOD ( 11.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jianguo.zhang@mediatek.com, Alexandre Torgue , biao.huang@mediatek.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, yt.shen@mediatek.com, linux-mediatek@lists.infradead.org, Maxime Coquelin , Matthias Brugger , Giuseppe Cavallaro , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The specific clk_csr value can be zero, and stmmac_clk is necessary for MDC clock which can be set dynamically. So, change the condition from plat->clk_csr to plat->stmmac_clk to fix clk_csr can't be zero issue. Signed-off-by: Biao Huang --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 +++--- .../net/ethernet/stmicro/stmmac/stmmac_platform.c | 5 ++++- 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 906f2be..a905b63 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -4374,10 +4374,10 @@ int stmmac_dvr_probe(struct device *device, * set the MDC clock dynamically according to the csr actual * clock input. */ - if (!priv->plat->clk_csr) - stmmac_clk_csr_set(priv); - else + if (priv->plat->clk_csr >= 0) priv->clk_csr = priv->plat->clk_csr; + else + stmmac_clk_csr_set(priv); stmmac_check_pcs_mode(priv); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 3031f2b..f45bfbe 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -408,7 +408,10 @@ struct plat_stmmacenet_data * /* Default to phy auto-detection */ plat->phy_addr = -1; - /* Get clk_csr from device tree */ + /* Default to get clk_csr from stmmac_clk_crs_set(), + * or get clk_csr from device tree. + */ + plat->clk_csr = -1; of_property_read_u32(np, "clk_csr", &plat->clk_csr); /* "snps,phy-addr" is not a standard property. Mark it as deprecated From patchwork Tue May 14 02:28:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 10941921 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 04702112C for ; Tue, 14 May 2019 02:30:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E4FD82842B for ; Tue, 14 May 2019 02:30:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D89A2284C8; Tue, 14 May 2019 02:30:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7D3672842B for ; Tue, 14 May 2019 02:30:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=x62wWrhVDplmgPjua+IkJRg1Y8TIEIeH4BKGc31GsCU=; b=FVRLnNZjxWZ5NA l/OXISO6+fxWjMGq3OsOhiYldyweddGYZNaFRn6AnuL41Eeuks3g0PId1xGoSgH6jyvm9j4espeEo LGCJ11T/Pk3/NajZRD4XNZEmbwJZUASNMoNwdazf0jIlaZqU8XSUK1BmroXGqkYn1sigEtXPFwASE 7subtqunhTPc283yLLE25Eqf8Fw/9JA2tFWyO8977vfVM9vwGkxDRuRlqOfOjifsFfN/LW/tl34e4 FuzK2CvE634FIBaWMwbYZHuUTPeMLZzJlJb1verl30OkOVpZEf9NYlkgfWsONTgFwpzU6RYRBzEVZ 9BUmamofNAsgl+Yd0zgQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQNCd-0003Gw-RO; Tue, 14 May 2019 02:30:03 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQNBs-0002Da-W5; Tue, 14 May 2019 02:29:19 +0000 X-UUID: cffaceb284ec42a0844f0265c6a1fd1b-20190513 X-UUID: cffaceb284ec42a0844f0265c6a1fd1b-20190513 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 854188833; Mon, 13 May 2019 18:29:08 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 13 May 2019 19:29:07 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 14 May 2019 10:29:01 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 14 May 2019 10:29:00 +0800 From: Biao Huang To: Jose Abreu , Subject: [v2, PATCH 3/4] net: stmmac: write the modified value back to MTL_OPERATION_MODE Date: Tue, 14 May 2019 10:28:52 +0800 Message-ID: <1557800933-30759-4-git-send-email-biao.huang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> References: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190513_192917_035687_F06AAB2D X-CRM114-Status: UNSURE ( 8.23 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jianguo.zhang@mediatek.com, Alexandre Torgue , biao.huang@mediatek.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, yt.shen@mediatek.com, linux-mediatek@lists.infradead.org, Maxime Coquelin , Matthias Brugger , Giuseppe Cavallaro , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The value of MTL_OPERATION_MODE is modified, and should be write back to the register. Signed-off-by: Biao Huang --- drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 7e5d5db..b4bb562 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -192,6 +192,8 @@ static void dwmac4_prog_mtl_tx_algorithms(struct mac_device_info *hw, default: break; } + + writel(value, ioaddr + MTL_OPERATION_MODE); } static void dwmac4_set_mtl_tx_queue_weight(struct mac_device_info *hw, From patchwork Tue May 14 02:28:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 10941907 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B5E5B912 for ; Tue, 14 May 2019 02:29:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A261528562 for ; Tue, 14 May 2019 02:29:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9618928571; Tue, 14 May 2019 02:29:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DD02428565 for ; Tue, 14 May 2019 02:29:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=X8pQx1aJve5GFontigsAikfIzpjnlhYdqzOHxIBAWHI=; b=fsZd/3az13yX2b zzmrmRSB0F0am1ToxH9dbVkys6o/1gbQhLxs6jtDklzkpqzKsZjL48j9qcumWTOADDSm48Lnf+vVs JePB+NhNaHCmpi4UAKbkNQ5tVRCna16r36bN43N9c3RFqG5057+RXgCpMfhTU0EyqjuajmZGN7eY6 dTW30dmXKW4GZcPYZNF+4Dvu2lgPtRMlBUK/UfK28QesJQjPchpn8+KXo0NlbqmS6w2a6xv6/vbIl L3cIFTBki2ca3XY7kemFKxsY31MmiaXqysxeXtECDblti5TNzM5uyTRjSxzlo3LI3uYsuFnYy5L/o XiY60W3wMHcQtxRCcT6w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQNBv-0002Jz-Rj; Tue, 14 May 2019 02:29:19 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQNBs-0002Db-J4; Tue, 14 May 2019 02:29:18 +0000 X-UUID: 34779c70bdf746faa6700ef6806614ef-20190513 X-UUID: 34779c70bdf746faa6700ef6806614ef-20190513 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1747940397; Mon, 13 May 2019 18:29:05 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 13 May 2019 19:29:04 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 14 May 2019 10:29:02 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 14 May 2019 10:29:01 +0800 From: Biao Huang To: Jose Abreu , Subject: [v2, PATCH 4/4] net: stmmac: dwmac-mediatek: modify csr_clk value to fix mdio read/write fail Date: Tue, 14 May 2019 10:28:53 +0800 Message-ID: <1557800933-30759-5-git-send-email-biao.huang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> References: <1557800933-30759-1-git-send-email-biao.huang@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: CE7E223FA5729AE41C9E6851E0C385031421ACF4489A781D3D3D42801D17CA8F2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190513_192916_632323_95B52382 X-CRM114-Status: UNSURE ( 8.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jianguo.zhang@mediatek.com, Alexandre Torgue , biao.huang@mediatek.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, yt.shen@mediatek.com, linux-mediatek@lists.infradead.org, Maxime Coquelin , Matthias Brugger , Giuseppe Cavallaro , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 1. the frequency of csr clock is 66.5MHz, so the csr_clk value should be 0 other than 5. 2. the csr_clk can be got from device tree, so remove initialization here. Change-Id: I3cd92fe380150fec6daa2d3acaab69a6d58344c0 Signed-off-by: Biao Huang --- .../net/ethernet/stmicro/stmmac/dwmac-mediatek.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c index bf25629..126b66b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c @@ -346,8 +346,6 @@ static int mediatek_dwmac_probe(struct platform_device *pdev) return PTR_ERR(plat_dat); plat_dat->interface = priv_plat->phy_mode; - /* clk_csr_i = 250-300MHz & MDC = clk_csr_i/124 */ - plat_dat->clk_csr = 5; plat_dat->has_gmac4 = 1; plat_dat->has_gmac = 0; plat_dat->pmt = 0;