linux-kernel - [PATCH] ACPI / platform / LPSS: disable async suspend/resume of LPSS devices

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 09 Sep 2014 13:36:48 +0800
From:	"Fu, Zhonghui" <zhonghui.fu@...ux.intel.com>
To:	rjw@...ysocki.net, lenb@...nel.org, linux-acpi@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] ACPI / platform / LPSS: disable async suspend/resume of LPSS
 devices

>From 6deb00230f5df68da3ca7490402a0c537bf386bb Mon Sep 17 00:00:00 2001
From: Fu Zhonghui <zhonghui.fu@...ux.intel.com>
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 <aubrey.li@...ux.intel.com>
Signed-off-by: Fu Zhonghui <zhonghui.fu@...ux.intel.com>
---
 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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/