From nobody Sun Apr 19 10:46:04 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 99A49C433EF for ; Fri, 1 Jul 2022 15:54:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230501AbiGAPya (ORCPT ); Fri, 1 Jul 2022 11:54:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230095AbiGAPy3 (ORCPT ); Fri, 1 Jul 2022 11:54:29 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B24C715FC7 for ; Fri, 1 Jul 2022 08:54:28 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-31838c41186so21816367b3.23 for ; Fri, 01 Jul 2022 08:54:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=nhCCzZMa1NRxw8NA7BhUvRU+X+N/8lSC/+E4poQXxXg=; b=GwgECqQfra9vVYA3QvdkTdaAb2D9IVUyR9uGRyWgTcDgxzxUrHgC3N3VCkF13Kfpea U1iWeRJfXV4EFTbea/73wvzow60RLTEFwKnp6djpYBaBX0iTekhkHv+P0kixnppFKorw En+D7SEVMyjmu8G+Txk6xf30szE+rn5RuV29kAIgsgtpmb+YRmNZBKpe1LJbVtHvKfdV Xy6tRJNeCwUD/ae7wY/cRCuHdCIFq4MbAH746J5m/tTPjjw1amSBk+gOhUg0UXbzrBdB uNrbDhIgcj3TEEwq3XOL+xLQp+Z55B8XvS5W7MhM/RF4TNY3M2HMyhyMczoZVKWtG3bx vReA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=nhCCzZMa1NRxw8NA7BhUvRU+X+N/8lSC/+E4poQXxXg=; b=IT/Gr+EzlQcU+EBzr0NXRsiG4BmmvIcsbx8jbaHMkK2ARfykEuJwY73CERPw0iIB3X Ro/wq3TwjpLDijURltFV+O2sTftskbbs0K5rkXDIFvBUlX+d0Kvb3dgxkq9SsHjSdRXC CkapqXNaNDO46ESauFhZQI2Kc6pgCi7rSm6lfCVF5tUhkM2ie9T246RrwK6ummaPUpBN Jvdq09ZUdRoNQZLgo1TqKFT+vLTro2IAKvR0UOMxyaP/x0i7JtdvWbYUbM2AmSt/0EKo dwr0bZeL1pak069JxGl/5iw+kHubN1P4jcTuuBMnV+9FUYnSHB9pxnD35B1W1NRGo1lL ZJDw== X-Gm-Message-State: AJIora+k0ujmbVVa9eU3kesotJ81ACNPUNZpUR1btXFWSHNgwYqmaKf7 dRLDIPqwyTsNhRVpi6R0dt+bWWYEs8uLGC88GTV9udiZMenVugcXZRqL/Q4KEksqDpSeByMU7hN 9/x8fTW0YwhsX/hvkgp6bYRcufSHzEfNSZbIR9Toz9RRLaYEbPUrNokHyJcVi2lt27WI= X-Google-Smtp-Source: AGRyM1v1m+1kAkaGguGEjtHSsXlrp3OWRf0ZqANHx5xmqifvAHQx6lQWEmGIMGySj89JqO8Q/CqOR0nffA== X-Received: from timvp.bld.corp.google.com ([2620:15c:183:200:fb13:9807:34b4:6d59]) (user=timvp job=sendgmr) by 2002:a81:8ac6:0:b0:31c:11fe:d215 with SMTP id a189-20020a818ac6000000b0031c11fed215mr17802733ywg.417.1656690867969; Fri, 01 Jul 2022 08:54:27 -0700 (PDT) Date: Fri, 1 Jul 2022 09:54:23 -0600 Message-Id: <20220701095421.1.I78ded92e416b55de31975686d34b2058d4761c07@changeid> Mime-Version: 1.0 X-Mailer: git-send-email 2.37.0.rc0.161.g10f37bed90-goog Subject: [PATCH] platform/chrome: cros_ec: Send host event for prepare/complete From: Tim Van Patten To: LKML Cc: robbarnes@google.com, rrangel@chromium.org, Tim Van Patten , Benson Leung , Guenter Roeck , chrome-platform@lists.linux.dev Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Update cros_ec_lpc_pm_ops to call cros_ec_lpc_suspend() during PM .prepare() and cros_ec_lpc_resume() during .complete. This allows the EC to log entry/exit of AP's suspend/resume more accurately. Signed-off-by: Tim Van Patten Reported-by: kernel test robot --- drivers/platform/chrome/cros_ec_lpc.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrom= e/cros_ec_lpc.c index 7677ab3c0ead9..783a0e56bf5f3 100644 --- a/drivers/platform/chrome/cros_ec_lpc.c +++ b/drivers/platform/chrome/cros_ec_lpc.c @@ -534,19 +534,24 @@ static int cros_ec_lpc_suspend(struct device *dev) { struct cros_ec_device *ec_dev =3D dev_get_drvdata(dev); =20 + dev_info(dev, "Prepare EC suspend\n"); + return cros_ec_suspend(ec_dev); } =20 -static int cros_ec_lpc_resume(struct device *dev) +static void cros_ec_lpc_resume(struct device *dev) { struct cros_ec_device *ec_dev =3D dev_get_drvdata(dev); =20 - return cros_ec_resume(ec_dev); + cros_ec_resume(ec_dev); + + dev_info(dev, "EC resume completed\n"); } #endif =20 static const struct dev_pm_ops cros_ec_lpc_pm_ops =3D { - SET_LATE_SYSTEM_SLEEP_PM_OPS(cros_ec_lpc_suspend, cros_ec_lpc_resume) + .prepare =3D cros_ec_lpc_suspend, + .complete =3D cros_ec_lpc_resume }; =20 static struct platform_driver cros_ec_lpc_driver =3D { --=20 2.37.0.rc0.161.g10f37bed90-goog