From mboxrd@z Thu Jan 1 00:00:00 1970 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=-17.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL 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 6009BC433E1 for ; Fri, 15 May 2020 05:35:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 37CFF20728 for ; Fri, 15 May 2020 05:35:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="h+QlbAmr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726703AbgEOFfT (ORCPT ); Fri, 15 May 2020 01:35:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726241AbgEOFfQ (ORCPT ); Fri, 15 May 2020 01:35:16 -0400 Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85A7BC05BD0C for ; Thu, 14 May 2020 22:35:14 -0700 (PDT) Received: by mail-qv1-xf4a.google.com with SMTP id q4so1478136qve.19 for ; Thu, 14 May 2020 22:35:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=DX4XT+k02Ir/KDfouowfMsuBfYhxf4GU86W0BHIaHtQ=; b=h+QlbAmrwT3Qk4XUER329GnhkSmrKvVq49brjpGM/uyL/DEiMw6DIaqHwVX6GqCOIB TknypZylAeb9WhesT1jWWEO02DyLbugXMPf5rmRsRnZpaiaTUzo1fs0oLRyuhWXbpsjX Pm8gJKEfiAsoM8LYcey7kctMNCeL/9WKjacPxTokZ+UIIzANPDcR9JeLWvI6uWYrHNub sFN6BSjBRFFZy9Pwb5Gjo8WOwwMO3bxjCGrUOBF46x30sYznw9flhLN/Gzgy35+RvJm4 l5cZChSPp7ithvlffbtvdVokmYA3Pm1O94rTPKB8RtxdWUkQjt+64irBeKpJWbv5xSlg dgig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=DX4XT+k02Ir/KDfouowfMsuBfYhxf4GU86W0BHIaHtQ=; b=OvQn4eAKujtVPq1ET59SHKMQ0ZG6PVVveJA0DoTUwi6Kf+yZif/rlqtIMl5mfchoyJ olzVSCmnt6ilhCJlj0DIewzYaJxo6i0jOMBVHM7Q3NcySO8yeGhSSgdPV40huziOTT8h uN98Upesa5CZoihAML10EJ3w4rOQagOMikpmIluVxvYoXdeQpwfj5ncm3ol1k8Q22KST vVowZebA6bypGJp5aBZX6qdMIbmFx2v8DikGej9Fp12SseHbx9VP+/Yln4Hj76paytP9 s71uOTXXiz5huJPoFnoQORuH0WV+xOCDq9zn+rWchgPr/ROTwd03hr0LeNKAjWNpqx+3 sn4A== X-Gm-Message-State: AOAM5322Yv+85KuyYK54dNWU4ih0gS8ld/OgcxW3ko7/+/fPp8odIrJ9 YXKdIM8uOY4O+GjnLzIyt/9Ui9ZA2o/IKnA= X-Google-Smtp-Source: ABdhPJwU9KkQfudVyjXyuE1Z396eMGSwdCB1SS/UClNjOPAmBPGEnfF7OqgDxMbxzOdUKsYQeJryPfZDxQez2Aw= X-Received: by 2002:a05:6214:42f:: with SMTP id a15mr1851765qvy.170.1589520913709; Thu, 14 May 2020 22:35:13 -0700 (PDT) Date: Thu, 14 May 2020 22:35:00 -0700 In-Reply-To: <20200515053500.215929-1-saravanak@google.com> Message-Id: <20200515053500.215929-5-saravanak@google.com> Mime-Version: 1.0 References: <20200515053500.215929-1-saravanak@google.com> X-Mailer: git-send-email 2.26.2.761.g0e0b3e54be-goog Subject: [PATCH v1 4/4] of: platform: Batch fwnode parsing when adding all top level devices From: Saravana Kannan To: Greg Kroah-Hartman , "Rafael J. Wysocki" , Rob Herring , Frank Rowand , Len Brown Cc: Saravana Kannan , kernel-team@android.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, Ji Luo Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The fw_devlink_pause() and fw_devlink_resume() APIs allow batching the parsing of the device tree nodes when a lot of devices are added. This will significantly cut down parsing time (as much a 1 second on some systems). So, use them when adding devices for all the top level device tree nodes in a system. Signed-off-by: Saravana Kannan --- drivers/of/platform.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 3371e4a06248..55d719347810 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -538,7 +538,9 @@ static int __init of_platform_default_populate_init(void) } /* Populate everything else. */ + fw_devlink_pause(); of_platform_default_populate(NULL, NULL, NULL); + fw_devlink_resume(); return 0; } -- 2.26.2.761.g0e0b3e54be-goog