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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45DA0C433FE for ; Mon, 25 Oct 2021 21:35:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E0846008E for ; Mon, 25 Oct 2021 21:35:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234114AbhJYViI (ORCPT ); Mon, 25 Oct 2021 17:38:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233974AbhJYViC (ORCPT ); Mon, 25 Oct 2021 17:38:02 -0400 Received: from mail-pg1-x549.google.com (mail-pg1-x549.google.com [IPv6:2607:f8b0:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BC9FC061767 for ; Mon, 25 Oct 2021 14:35:40 -0700 (PDT) Received: by mail-pg1-x549.google.com with SMTP id z4-20020a634c04000000b00299bdd9abdbso6827363pga.13 for ; Mon, 25 Oct 2021 14:35:40 -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=jYZ/gLN2FtdtPCm5bp5BM+B38r1yxpSWcEKu3dd8FPk=; b=Q7p9y6SsnmzF1ZhJu3/jii6ySfU9hpX3ZUBNIwzd3ocDPVGfH5m4sDwSwj4P07sPdu 8mJSjSJwoTxs99b5GAq0GSkv0GpO5e10kRp7EERpRmmYYI9WSBr6NgNefFgRRgWu5FUW z/AXxlwzso9sF8y22x6NJUXvVlF9wxNggQARFGaMpTYvLQfgzk2QUsk5GFH3QxFGbzQv MfkU1Lrh0qiacj8WIckRXofSTh5k0fX9HcG+kUmkUfTSU0RKYNteaxXSUGtZGSsjNPAF iL3evaps+l3CAH72ZooXnARTMBNOjK6uSYvUtT3Gv77l6mOwDFPRKV0drzKQWddgbpMq GrRQ== 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=jYZ/gLN2FtdtPCm5bp5BM+B38r1yxpSWcEKu3dd8FPk=; b=8ENw+fdPpyqa8ccVhaZ0eutpKPOX20YNHFIHBSkT6EuDjxQfRnO/eoYHHGncw8EIds GwRrs1CTXiQ0SoHvD6Ed2s1LRJWOouXqN3SIXKguTzLLSQifGSzsIS1x7wx0Ap3zMsRl yFwDul4y6S6qf5Fm+ZsB0Nl/nsbfikmuqVZDzOLwtk/MYBPNKLOx1WuuWNR1gk1fHzdN pms/5pJ+ekmaXlOFABvyVj3Zt8c8nKIsbL14TlHrKniXj6Ud83uEqwaQ4H0sllg5JGA4 CHKbhEDjVrljYdmUIuCiBrS0KwLEfRqlFk2Z5axSf+/jqsUk13vp+iPUIzJk1Savc8JD 8lUQ== X-Gm-Message-State: AOAM530m7JG9KdrkEGZbJjBi2cjgjTJprvl9aGuxyg8+q6LLpLdgQKeU U2jxDE/EdwglDt3YT2HQSvSu+YmDA8dX X-Google-Smtp-Source: ABdhPJzVKK7ZDVEgV0xPUL1u4UVmovt9MKolVdLnS+fAVQoyvq/LRoKqY06DDnF8Pfx2uSTlfXGeW0PRMfzo X-Received: from rajat2.mtv.corp.google.com ([2620:15c:202:201:5478:3d15:6893:1074]) (user=rajatja job=sendgmr) by 2002:a17:90b:1e49:: with SMTP id pi9mr38518077pjb.144.1635197739902; Mon, 25 Oct 2021 14:35:39 -0700 (PDT) Date: Mon, 25 Oct 2021 14:35:30 -0700 In-Reply-To: <20211025213532.2349161-1-rajatja@google.com> Message-Id: <20211025213532.2349161-3-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 2/3] i2c: enable async suspend/resume for i2c adapters 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: Rajat Jain , rajatxjain@gmail.com, dbasehore@chromium.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enable async suspend/resume of i2c adapters. It enormously helps with reducing the resume time of systems (as much as 20%-40%) where I2C devices can take significant time (100s of ms) to resume. 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 54964fbe3f03..8d4f2be54e17 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1576,6 +1576,7 @@ static int i2c_register_adapter(struct i2c_adapter *adap) if (res) goto out_reg; + device_enable_async_suspend(&adap->dev); pm_runtime_no_callbacks(&adap->dev); pm_suspend_ignore_children(&adap->dev, true); pm_runtime_enable(&adap->dev); -- 2.33.0.1079.g6e70778dc9-goog