From nobody Tue Feb 10 23:01:36 2026 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 9C440C6FD1D for ; Fri, 17 Mar 2023 17:19:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229735AbjCQRTx (ORCPT ); Fri, 17 Mar 2023 13:19:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230356AbjCQRTt (ORCPT ); Fri, 17 Mar 2023 13:19:49 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33FEAC9C95 for ; Fri, 17 Mar 2023 10:19:47 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-5419fb7d6c7so52269237b3.11 for ; Fri, 17 Mar 2023 10:19:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1679073586; h=cc:to:from:subject:mime-version:message-id:date:from:to:cc:subject :date:message-id:reply-to; bh=E+n21bp4YgPxtRl/BZ4TLFsQAgLgEAAfMmN9xDA3HIs=; b=IuGD1KOfTy2BIRkyZeJR6wekqPjMnucw+1ip8T686CtpnL7u2vALGSZ83xDwfIXPi3 +8Y5bHvkor66zhblxCAdxSo4SLb6TJ9FOemXNRmRLnUkULEYVbpJOgugJtYbV4CyE0RH rBEUZuNZ/Ro1XL9UZCYdhD8xaQH5C0jVor/r+ntudtNTNdSmIdI3h1TbhVlTwN64ft4g sccDQKg4fewjrE/Yu6GDI1tQNbrP/VKAQZi1rb5Vz6YkcfJQC0q1ovvSTVl7wdHDeVYQ VoifGYj2wc6Ys4BZfc3W1J6JVuw3Lt8KI4yh0xq59qDZvFtkq3qag1wGl7yCTvXqDPeO BtIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679073586; h=cc:to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=E+n21bp4YgPxtRl/BZ4TLFsQAgLgEAAfMmN9xDA3HIs=; b=a78yHeFJ54lUm1V8k9xS+Hs2GezwQhC63DBYx5XdjjXGbkFVvid3rW1PGgM/RyvI4Y XoF5b8cYkpoct7snkMNWW/qSpHov3kkJnUvOWt3AZrq0lBj/MAT/Fa/IydDaPZe20JOR krndo5GrXglQ6vsd1htfHJaPsl54ne7mBqN7/ywpEommyKkGvH1EZG4HUjsK3kpsiSYA qUo3BF7ax6AT0OZgFsLFW8i3ROWfV1DJgbT0PuFP+S8A6vkcfhRzx4zfTlPJnqlrPdk5 bOhfxu87b2hA7+2ii/+jk9REQoYfaWccbyOg/uVffzYNbBYg9WSQMPhLGSmafh7W3IfI yggg== X-Gm-Message-State: AO0yUKXDv6pE/j/qFHbCV/FinztAlt05IApd5ypFG5iqz45A8abj4pie xOxDazEA/UjJniQ65o6EZUsLUED66BSiza8= X-Google-Smtp-Source: AK7set9M85IbI134c5js3If9Fu+Mq6mYqHX0HZs/jfquxZ2IUIZgY0EFk0gYvz8pwCNGbpdKuXlFfK7ftT8rqms= X-Received: from saravanak.san.corp.google.com ([2620:15c:2d:3:8fa5:ab5f:d83a:1b71]) (user=saravanak job=sendgmr) by 2002:a81:a908:0:b0:541:a17f:c77d with SMTP id g8-20020a81a908000000b00541a17fc77dmr4812954ywh.10.1679073586029; Fri, 17 Mar 2023 10:19:46 -0700 (PDT) Date: Fri, 17 Mar 2023 10:19:42 -0700 Message-Id: <20230317171943.941539-1-saravanak@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.40.0.rc2.332.ga46443480c-goog Subject: [PATCH v3] driver core: Add CONFIG_FW_DEVLINK_SYNC_STATE_TIMEOUT From: Saravana Kannan To: Greg Kroah-Hartman , "Rafael J. Wysocki" Cc: Saravana Kannan , Doug Anderson , kernel-team@android.com, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add a build time equivalent of fw_devlink.sync_state=3Dtimeout so that board specific kernels could enable it and not have to deal with setting or cluttering the kernel commandline. Cc: Doug Anderson Signed-off-by: Saravana Kannan Reviewed-by: Douglas Anderson --- drivers/base/Kconfig | 12 ++++++++++++ drivers/base/core.c | 5 +++++ 2 files changed, 17 insertions(+) diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index 6f04b831a5c0..2b8fd6bb7da0 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -230,4 +230,16 @@ config GENERIC_ARCH_NUMA Enable support for generic NUMA implementation. Currently, RISC-V and ARM64 use it. =20 +config FW_DEVLINK_SYNC_STATE_TIMEOUT + bool "sync_state() behavior defaults to timeout instead of strict" + help + This is build time equivalent of adding kernel command line parameter + "fw_devlink.sync_state=3Dtimeout". Give up waiting on consumers and + call sync_state() on any devices that haven't yet received their + sync_state() calls after deferred_probe_timeout has expired or by + late_initcall() if !CONFIG_MODULES. You should almost always want to + select N here unless you have already successfully tested with the + command line option on every system/board your kernel is expected to + work on. + endmenu diff --git a/drivers/base/core.c b/drivers/base/core.c index fe74a786e2c3..adc81871829f 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1672,7 +1672,12 @@ early_param("fw_devlink.strict", fw_devlink_strict_s= etup); #define FW_DEVLINK_SYNC_STATE_STRICT 0 #define FW_DEVLINK_SYNC_STATE_TIMEOUT 1 =20 +#ifndef CONFIG_FW_DEVLINK_SYNC_STATE_TIMEOUT static int fw_devlink_sync_state; +#else +static int fw_devlink_sync_state =3D FW_DEVLINK_SYNC_STATE_TIMEOUT; +#endif + static int __init fw_devlink_sync_state_setup(char *arg) { if (!arg) --=20 2.40.0.rc2.332.ga46443480c-goog