From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755301AbcDKOE4 (ORCPT ); Mon, 11 Apr 2016 10:04:56 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:51756 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755086AbcDKOEx (ORCPT ); Mon, 11 Apr 2016 10:04:53 -0400 Subject: [PATCH v3] extcon: usb-gpio: Don't miss event during suspend/resume To: , References: <1459951299-20578-1-git-send-email-rogerq@ti.com> <57075F23.8080703@ti.com> CC: , Grygorii Strashko , From: Roger Quadros Message-ID: <570BAEFD.2050406@ti.com> Date: Mon, 11 Apr 2016 17:04:45 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <57075F23.8080703@ti.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pin state might have changed during suspend/resume while our interrupts were disabled and if device doesn't support wakeup. Scan for change during resume for such case. Signed-off-by: Roger Quadros --- v3: - use queue_delayed_work() instead of directly calling usb_extcon_detect_cable() v2: - only check for state change during resume if device wakeup is drivers/extcon/extcon-usb-gpio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c index bc61d11..bad2159 100644 --- a/drivers/extcon/extcon-usb-gpio.c +++ b/drivers/extcon/extcon-usb-gpio.c @@ -185,6 +185,9 @@ static int usb_extcon_resume(struct device *dev) int ret = 0; enable_irq(info->id_irq); + if (!device_may_wakeup(dev)) + queue_delayed_work(system_power_efficient_wq, + &info->wq_detcable, 0); return ret; } -- 2.5.0