From patchwork Thu Jun 10 20:56:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 459026 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=-14.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 339F3C48BD1 for ; Thu, 10 Jun 2021 20:57:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19AA1613D8 for ; Thu, 10 Jun 2021 20:57:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230236AbhFJU7Q (ORCPT ); Thu, 10 Jun 2021 16:59:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229963AbhFJU7P (ORCPT ); Thu, 10 Jun 2021 16:59:15 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D9839C061574 for ; Thu, 10 Jun 2021 13:57:08 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id z8so3723691wrp.12 for ; Thu, 10 Jun 2021 13:57:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=PcVsyl7oW1anoDDHhJ7lHbzDz4lctsxe2Zc0mi6uQUA=; b=P3ZJOlH4RxiM45NV3gPY1k9laZ5FS9NcZpeqBc/A/84IHV1et5o7NskLe/NEwHnWi1 SyA0R5rWpQg34ofTSLCMXFkpV+eKo91/eLAectMfrwsI78pHwtVb/vMeXRULyxzgSBo7 ozQL60FwVfqsVmtDsRGyzC+lR1wcTm3Guq7ZddwfmoqGyWCsAEVGv9+o34aoa/VPE2JH Ifuk/fC1o3esBRFUdjwviEiKY0ftF60T4bn8ZImCNgPj/LPbTm/lZhtVYWpEZSNWiND/ 0spQSwZKb87BP0X5/IuXMoYt3n/09UaAh8h1/puuADmTZJjXyITDw0lnu6T2D1506kp9 4dAg== 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:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=PcVsyl7oW1anoDDHhJ7lHbzDz4lctsxe2Zc0mi6uQUA=; b=kkQJvBOpheNKkdtHIItHziMBx21QU1qvwG+hMylwl9D9YTIfjEdvUq1y7L292ng6cy 7U1bLskH8/pG/F+vqNNtdkqvaYAtbbq/rxVErW4WQnC0JlJ/NlbEQ8ABYjLuaTivKOrm IMizTn0/XBw1AzzaCuK+0l1GHcUru4kUkO+OnusZkndOukLjZqByyiBmz+9IeG8BbOld sHPHPXakCL2sWAwQb/QsMh4Hhlq0H0g2W3URxnXOb4+tKGs7kqEDyvyw0wPpw6ldO8qQ b0gsZyEqF2jWMIfA9NU/oYCS4X5p9qIgiPGTuVU6nzhLb+f5berlEV/Bp5JY7sseaCRM HXRQ== X-Gm-Message-State: AOAM531R6Z+K17Hl5LnXuvgc5lDDHhnYGSiylNQA9yfLGkn7VGMFsZH0 mU7qg67BrZYZXkQ64JrLSG1AOTrF8BE= X-Google-Smtp-Source: ABdhPJxTPYLlAJ9tm3onwLwaeCUaE0gVB0R7vM7DEHlaqwl60oSthWWd1F6+gqp4OPOZriwu70eRYQ== X-Received: by 2002:adf:fc0e:: with SMTP id i14mr329973wrr.71.1623358626377; Thu, 10 Jun 2021 13:57:06 -0700 (PDT) Received: from ?IPv6:2003:ea:8f29:3800:108e:718f:a44f:76c6? (p200300ea8f293800108e718fa44f76c6.dip0.t-ipconnect.de. [2003:ea:8f29:3800:108e:718f:a44f:76c6]) by smtp.googlemail.com with ESMTPSA id q19sm2536261wmf.22.2021.06.10.13.57.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Jun 2021 13:57:05 -0700 (PDT) From: Heiner Kallweit To: Jakub Kicinski , David Miller , Realtek linux nic maintainers , Koba Ko Cc: "netdev@vger.kernel.org" Subject: [PATCH net-next] r8169: avoid link-up interrupt issue on RTL8106e if user enables ASPM Message-ID: <7060a8ba-720f-904f-a6c6-c873559d8dbe@gmail.com> Date: Thu, 10 Jun 2021 22:56:59 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org It has been reported that on RTL8106e the link-up interrupt may be significantly delayed if the user enables ASPM L1. Per default ASPM is disabled. The change leaves L1 enabled on the PCIe link (thus still allowing to reach higher package power saving states), but the NIC won't actively trigger it. Reported-by: Koba Ko Tested-by: Koba Ko Signed-off-by: Heiner Kallweit --- drivers/net/ethernet/realtek/r8169_main.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 64f94a3fe..6a9fe9f7e 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -3508,7 +3508,6 @@ static void rtl_hw_start_8106(struct rtl8169_private *tp) rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000); rtl_pcie_state_l2l3_disable(tp); - rtl_hw_aspm_clkreq_enable(tp, true); } DECLARE_RTL_COND(rtl_mac_ocp_e00e_cond)