From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755667AbaIIFgy (ORCPT ); Tue, 9 Sep 2014 01:36:54 -0400 Received: from mga11.intel.com ([192.55.52.93]:27941 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755350AbaIIFgv (ORCPT ); Tue, 9 Sep 2014 01:36:51 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208,223";a="383348211" Message-ID: <540E91F0.2060306@linux.intel.com> Date: Tue, 09 Sep 2014 13:36:48 +0800 From: "Fu, Zhonghui" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: rjw@rjwysocki.net, lenb@kernel.org, linux-acpi@vger.kernel.org, "linux-kernel@vger.kernel.org" Subject: [PATCH] ACPI / platform / LPSS: disable async suspend/resume of LPSS devices Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>From 6deb00230f5df68da3ca7490402a0c537bf386bb Mon Sep 17 00:00:00 2001 From: Fu Zhonghui Date: Tue, 9 Sep 2014 13:02:25 +0800 Subject: [PATCH] ACPI / platform / LPSS: disable async suspend/resume of LPSS devices LPSS devices must suspend/resume in fixed order. Or some LPSS devices will hang during the transition to ACPI_STATE_D0 state. Signed-off-by: Li Aubrey Signed-off-by: Fu Zhonghui --- drivers/acpi/acpi_lpss.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index fddc1e8..54e5c97 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -419,7 +419,7 @@ static int acpi_lpss_create_device(struct acpi_device *adev, adev->driver_data = pdata; pdev = acpi_create_platform_device(adev); if (!IS_ERR_OR_NULL(pdev)) { - device_enable_async_suspend(&pdev->dev); + device_disable_async_suspend(&pdev->dev); return 1; } -- 1.7.1