From patchwork Thu Feb 21 12:49:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kai-Heng Feng X-Patchwork-Id: 1046131 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=canonical.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 444vSd01qFz9s1b; Thu, 21 Feb 2019 23:49:53 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1gwnnL-0003xW-Rh; Thu, 21 Feb 2019 12:49:43 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.86_2) (envelope-from ) id 1gwnnK-0003xK-0t for kernel-team@lists.ubuntu.com; Thu, 21 Feb 2019 12:49:42 +0000 Received: from 61-220-137-37.hinet-ip.hinet.net ([61.220.137.37] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1gwnnJ-0004O0-9F for kernel-team@lists.ubuntu.com; Thu, 21 Feb 2019 12:49:41 +0000 From: Kai-Heng Feng To: kernel-team@lists.ubuntu.com Subject: [SRU] [B/C/D/Unstable] [PATCH 0/1] Fix I219 doesn't get woken up after plugging ethernet cable Date: Thu, 21 Feb 2019 20:49:37 +0800 Message-Id: <20190221124938.9547-1-kai.heng.feng@canonical.com> X-Mailer: git-send-email 2.17.1 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: https://bugs.launchpad.net/bugs/1817058 [Impact] Plugging ethernet cable doesn't work on new I219 after it runtime suspends to D3. [Fix] Intel confirms that it only supports D0, so disable runtime power management to prevent it from entering D3. [Test] Once the patch applied, the device always stays at D0, which doesn't have this problem. [Regression Potential] Low. This doesn't introduce any functional change. Kai-Heng Feng (1): e1000e: Disable runtime PM on CNP+ drivers/net/ethernet/intel/e1000e/netdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Acked-by: Seth Forshee