From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Fu, Zhonghui" Subject: [PATCH v2] hid: enable hid device to suspend/resume asynchronously Date: Thu, 24 Sep 2015 14:06:31 +0800 Message-ID: <560392E7.1030207@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mga14.intel.com ([192.55.52.115]:60970 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751501AbbIXGGe (ORCPT ); Thu, 24 Sep 2015 02:06:34 -0400 Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: jkosina@suse.com Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Now, PM core supports asynchronous suspend/resume mode for devices during system suspend/resume, and the power state transition of one device may be completed in separate kernel thread. PM core ensures all power state transition timing dependency between devices. This patch enables hid devices to suspend/resume asynchronously. This will take advantage of multicore and improve system suspend/resume speed. Signed-off-by: Zhonghui Fu --- Changes in v2: - Amend commit message. drivers/hid/hid-core.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 70a11ac..357f3a3 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2652,6 +2652,7 @@ struct hid_device *hid_allocate_device(void) device_initialize(&hdev->dev); hdev->dev.release = hid_device_release; hdev->dev.bus = &hid_bus_type; + device_enable_async_suspend(&hdev->dev); hid_close_report(hdev); -- 1.7.1