From patchwork Wed Sep 7 11:56:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 603758 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 45E43C6FA83 for ; Wed, 7 Sep 2022 11:56:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229920AbiIGL4Z (ORCPT ); Wed, 7 Sep 2022 07:56:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229915AbiIGL4X (ORCPT ); Wed, 7 Sep 2022 07:56:23 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA0D77FE40; Wed, 7 Sep 2022 04:56:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662551782; x=1694087782; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=I3n8tdgr/41V9HMQjef7gsGonwwy/i4gJxjnLqt2rlU=; b=cOIQNhuwTtYUo1nM/EHDaKnxfxQZCaVzfTxtrQL0Qe7d5mhf1vBj3rf5 P4MTtSOOunIeAqT3ifuEbv8ybMsmRB0797LgOSvGSxD2OXmnxsmismuRw 0Fgz7IV6XJNk14/nqycHUE5wqd1QYkctRuU2/N62mb3UP5+nj12EO88ag DP/PAQboaYEEczpQuJjB5GvEarzjVwK67f7mw0pNvoMfTbjcthDtazB/Z 5ny7Y9QeIw/TMiyfugE+dY7IC+oFBYNljMf9ig9ErsY+gerpeJXAfXakG 9JpQ32zfCH2WszdYoSyGuqZCRq/cj/F56pjt0X+w57X2R6U4VZN5jyYxO Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10462"; a="296851231" X-IronPort-AV: E=Sophos;i="5.93,296,1654585200"; d="scan'208";a="296851231" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2022 04:56:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,296,1654585200"; d="scan'208";a="756742687" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 07 Sep 2022 04:56:18 -0700 From: Heikki Krogerus To: linux-usb@vger.kernel.org Cc: linux-kernel@vger.kernel.org, grzegorz.alibozek@gmail.com, bastian@rieck.me, andrew.co@free.fr, meven29@gmail.com, pchernik@gmail.com, jorge.cep.mart@gmail.com, danielmorgan@disroot.org, bernie@codewiz.org, saipavanchitta1998@gmail.com, rubin@starset.net, maniette@gmail.com, nate@kde.org Subject: [RFC PATCH 2/2] usb: typec: ucsi: acpi: Add PM hooks Date: Wed, 7 Sep 2022 14:56:26 +0300 Message-Id: <20220907115626.21976-3-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220907115626.21976-1-heikki.krogerus@linux.intel.com> References: <20220907115626.21976-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Some systems notify the driver separately after resume if the state of the connection changed during suspend, but there is no way we can rely on that. Link: https://bugzilla.kernel.org/show_bug.cgi?id=210425 Fixes: a94ecde41f7e ("usb: typec: ucsi: ccg: enable runtime pm support") Cc: Signed-off-by: Heikki Krogerus --- drivers/usb/typec/ucsi/ucsi_acpi.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c index 8873c1644a295..8c7008cc9942e 100644 --- a/drivers/usb/typec/ucsi/ucsi_acpi.c +++ b/drivers/usb/typec/ucsi/ucsi_acpi.c @@ -185,6 +185,20 @@ static int ucsi_acpi_remove(struct platform_device *pdev) return 0; } +static int ucsi_acpi_suspend(struct device *dev) +{ + return 0; +} + +static int ucsi_acpi_resume(struct device *dev) +{ + struct ucsi_acpi *ua = dev_get_drvdata(dev); + + return ucsi_resume(ua->ucsi); +} + +static DEFINE_SIMPLE_DEV_PM_OPS(ucsi_acpi_pm_ops, ucsi_acpi_suspend, ucsi_acpi_resume); + static const struct acpi_device_id ucsi_acpi_match[] = { { "PNP0CA0", 0 }, { }, @@ -194,6 +208,7 @@ MODULE_DEVICE_TABLE(acpi, ucsi_acpi_match); static struct platform_driver ucsi_acpi_platform_driver = { .driver = { .name = "ucsi_acpi", + .pm = pm_ptr(&ucsi_acpi_pm_ops), .acpi_match_table = ACPI_PTR(ucsi_acpi_match), }, .probe = ucsi_acpi_probe,