From patchwork Mon Apr 13 20:42:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 1269943 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=VT1Z726v; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 491LDm55N7z9sPF for ; Tue, 14 Apr 2020 06:43:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388518AbgDMUnH (ORCPT ); Mon, 13 Apr 2020 16:43:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388484AbgDMUnD (ORCPT ); Mon, 13 Apr 2020 16:43:03 -0400 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3B22C0A3BDC for ; Mon, 13 Apr 2020 13:43:03 -0700 (PDT) Received: by mail-pj1-x1041.google.com with SMTP id cl8so3157269pjb.3 for ; Mon, 13 Apr 2020 13:43:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=Jzl9zw+WWi+s6Kx4ZBqfebz2iDt6ayXKGXNZZjJo2Pk=; b=VT1Z726v06Ujmb0lEnnzZAtHRT4apvVynE5ed5Ktp3UGwkACAebRQ9zx2/tlMYHO5F rywIuPMKAUti5V6eK/5urkFIHTA2avL3pBcpv8gN80Owcdom1iv5VfXqsI01rnIAsKJM rhph9sz5PVaOOwI3UNEZQRB4o7SSiuZeWuVIfQT2JqASu3CFmZUlpXfo30toXIzJhl94 Ho65K0a43xa3bx6V4R+etOwnd0T+g1i7+JU+XRFRXnG4mBVArkSUa7KSxBRF8wIRSwaP kS6YP99wSgijh6YDO/COskWhGnToZT/yF2UvsM9LBykI/oQZrBYpXSEtLHX9qU8G7Haq TQHQ== 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; bh=Jzl9zw+WWi+s6Kx4ZBqfebz2iDt6ayXKGXNZZjJo2Pk=; b=cOi9UBqI8bs5yQb+07keMLdOe+ecmXxIGyrfTc9DwqsxYWF8PHvzYermYtXwJm7e7x v0zBG9f5xL3aaSnMZsAyJDUeAseS95aSgN/n7hON9zMIqzbteW759VzV2qLnxfBMMQzU Wtg47K6iTCtSfV8sqFNdnBx+sPPwxjc8qA764/dITQ5BdFplYykSfVuZz68n0Hy71iGz FZvGcf3nFSKzeMVkYldlyOOmGaZRiw2QKKnMvZBTo4OzSor/t+xWHMh7zMq51eK7CCgX VxA5NatnfqKTPg1X8wdELrOcr7aoQo4r0Q1C+ACGwn8kYOX5dEZXowU0+/EEkpshASiZ XdeQ== X-Gm-Message-State: AGi0PubR08yVfSDajbs6OPiLm1luwvZqxkgakR+OJXMzPJml2mnysonM rRVa0+BetxQg3MoT2wUhrQwpbg== X-Google-Smtp-Source: APiQypIRvteVMg0gNs6DmMEEBBIlRcc/01DPdawXCFZi7iOutYc4cJYrlnAN1psu50sBspsa1M3cjw== X-Received: by 2002:a17:90a:77cb:: with SMTP id e11mr24567922pjs.0.1586810583200; Mon, 13 Apr 2020 13:43:03 -0700 (PDT) Received: from localhost.localdomain ([2601:1c2:680:1319:692:26ff:feda:3a81]) by smtp.gmail.com with ESMTPSA id o21sm4763340pjr.37.2020.04.13.13.43.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2020 13:43:02 -0700 (PDT) From: John Stultz To: lkml Cc: John Stultz , "David S. Miller" , Alexey Kuznetsov , Hideaki YOSHIFUJI , Jakub Kicinski , Greg Kroah-Hartman , "Rafael J . Wysocki" , Rob Herring , Geert Uytterhoeven , Yoshihiro Shimoda , netdev , linux-pm@vger.kernel.org Subject: [PATCH v2 0/2] Fixes for deferred_probe_timeout cleanup Date: Mon, 13 Apr 2020 20:42:51 +0000 Message-Id: <20200413204253.84991-1-john.stultz@linaro.org> X-Mailer: git-send-email 2.17.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Just wanted to submit these two fixes for the deferred_probe_timeout cleanup that landed in the v5.7-rc1 merge window. The first resets the default timeout value back to zero so we have no behavioral change from 5.6. This avoids regressions on boards that have "optional links" in their device tree. The scond fixes an issue discovered by Yoshihiro Shimoda and Geert Uytterhoeven, where if a timeout was set, things like NFS root might fail due to wait_for_device_probe() not blocking until the timeout expires. thanks -john Cc: "David S. Miller" Cc: Alexey Kuznetsov Cc: Hideaki YOSHIFUJI Cc: Jakub Kicinski Cc: Greg Kroah-Hartman Cc: Rafael J. Wysocki Cc: Rob Herring Cc: Geert Uytterhoeven Cc: Yoshihiro Shimoda Cc: netdev Cc: linux-pm@vger.kernel.org John Stultz (2): driver core: Revert default driver_deferred_probe_timeout value to 0 driver core: Ensure wait_for_device_probe() waits until the deferred_probe_timeout fires drivers/base/dd.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-)