From patchwork Mon Oct 25 21:35:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajat Jain X-Patchwork-Id: 1546025 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20210112 header.b=qUonqI8V; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4HdStV3FVLz9t0p for ; Tue, 26 Oct 2021 08:35:46 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234330AbhJYViH (ORCPT ); Mon, 25 Oct 2021 17:38:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53908 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234114AbhJYViF (ORCPT ); Mon, 25 Oct 2021 17:38:05 -0400 Received: from mail-pg1-x54a.google.com (mail-pg1-x54a.google.com [IPv6:2607:f8b0:4864:20::54a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55DC2C061224 for ; Mon, 25 Oct 2021 14:35:42 -0700 (PDT) Received: by mail-pg1-x54a.google.com with SMTP id n9-20020a63e049000000b002951886c1c5so6860028pgj.0 for ; Mon, 25 Oct 2021 14:35:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=MZF5VEKMYWbB/Dv8KErRk2fZA5ZJJGAkLiY8ScjRBG4=; b=qUonqI8VkIEIoLRHJKaKhq8KLWGGNxSUVTwOxm56x0OQTmIBsG7yKviyP3spqedJ10 ahH53ZJP2AxEcJP8GPMIV0ogmkx6grO1n2x2jj+vLWDmd3XvAJ3vJN0FzauiSxU8lfsM DhHWacNRnjI0rRvWk63n/XvcE1HScTPNrCTSAC1mx8oNZ7v7qg86WyF2gguA18RqekM2 J01pNe2hEZ3O3uPPqjPRhoYteLtLF9MluKAofQ8k2Lc9/sZWg4tqB0CKcesX2slwSL5m omHXC4rzRNEdJF0qXy8Qg9HzLCGQzcJXF1ofBylBo+h2JseqtrUC11J1uNPR8BN/ntJ9 aZnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=MZF5VEKMYWbB/Dv8KErRk2fZA5ZJJGAkLiY8ScjRBG4=; b=Cq2FBmxAqLPKaUf0k4U6TIN2wCxm6jWI867fjxknnM1IN3t6UEZH6QomZWGcqMir8+ 06SfzPJLHWiQknXr4w44IK/De6zJ3kYJBDtIXcSF2/dPIIB9BKmFLhEKhsh9fWmOHyZn j7cMnsVDiQvA4iQhURshusGvER2Sg0uxUw2Q0xlPvXRqbjTKalXQefHCQ3gzuqLkPuVI KTga5lxlr7qVwvTlOAZ+/fCPwtss+g93xaaWXrakpF3BFADJPOAdk03YFEU4MkUXXh5T CFdAMT4eFf4bZ0lPGHZe3irDNqVuc+ytzJ76pBdbgs79FehWvsEDLNqj80WEjilNuXQz mATg== X-Gm-Message-State: AOAM531W9OpJuXBvTHwpe+cNZ6uXhFleJXs4EPtpt7QZyXSES1//waV4 8ize64vMNMhiMrCzQ4uF2mpWzbXr0ReD X-Google-Smtp-Source: ABdhPJzkfDZRrjaYWKYgmFVfnQaT5jQQ4wlclsz+xzDo5mAEHNEVhQiN2cDHkhnNVcX+7MJsyJ14Vo+5S6Yk X-Received: from rajat2.mtv.corp.google.com ([2620:15c:202:201:5478:3d15:6893:1074]) (user=rajatja job=sendgmr) by 2002:a17:902:b616:b0:13f:7983:21b6 with SMTP id b22-20020a170902b61600b0013f798321b6mr19108199pls.42.1635197741760; Mon, 25 Oct 2021 14:35:41 -0700 (PDT) Date: Mon, 25 Oct 2021 14:35:31 -0700 In-Reply-To: <20211025213532.2349161-1-rajatja@google.com> Message-Id: <20211025213532.2349161-4-rajatja@google.com> Mime-Version: 1.0 References: <20211025213532.2349161-1-rajatja@google.com> X-Mailer: git-send-email 2.33.0.1079.g6e70778dc9-goog Subject: [PATCH 3/3] i2c: enable async suspend/resume on i2c client devices From: Rajat Jain To: Jarkko Nikula , Andy Shevchenko , Mika Westerberg , Wolfram Sang , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, dtor@google.com Cc: Derek Basehore , rajatxjain@gmail.com, Rajat Jain Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org From: Derek Basehore This enables the async suspend for i2c client devices. This reduces the suspend/resume time considerably on platforms where i2c devices can take a lot of time (hundreds of ms) to resume. Signed-off-by: Derek Basehore Signed-off-by: Rajat Jain Tested-by: Jarkko Nikula --- v2: Add Jarkko's tested by drivers/i2c/i2c-core-base.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 8d4f2be54e17..70d32efb68ef 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1047,6 +1047,7 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf client->dev.of_node = of_node_get(info->of_node); client->dev.fwnode = info->fwnode; + device_enable_async_suspend(&client->dev); i2c_dev_set_name(adap, client, info); if (info->swnode) {