From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78C63C17443 for ; Sun, 10 Nov 2019 03:05:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4DD0C208C3 for ; Sun, 10 Nov 2019 03:05:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573355104; bh=HhY6aRuiU+JFIVbArd6TnC9cOXQnnSAEu6elwhYbO2M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=PK6v3s7WdQYmmKKQvSpMm6d4qU3M98Y+tMlMT/5F0BimUBd3ifzS6KmXZ2+XlSBC3 u56fcgNAkWCqtz5pj+HRspjmLSkrrlwoLO0dGmQDuK2ojgWEm5FmZU6LX42QL8Ddcq nviUzTVKdCLQ8cJCrfR+x6CJY/dGkDosTSPgtOQ8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728126AbfKJDE7 (ORCPT ); Sat, 9 Nov 2019 22:04:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:50682 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729144AbfKJCqm (ORCPT ); Sat, 9 Nov 2019 21:46:42 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D2C3621D7B; Sun, 10 Nov 2019 02:46:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573354001; bh=HhY6aRuiU+JFIVbArd6TnC9cOXQnnSAEu6elwhYbO2M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tYCZKp6MWclP+LeLBENxcVcY3hmiooWgbA/geybyHidRxynyftTtBVTVD5pAdTydH LOXiYgzaoRtZIWUspjXBhjE9sYUCQ0uxenkJ/z8cjCy7CfpGYcYykVQbNRZ7Yf5+EL yh6Op4GADP3TggUnwX90fPcJE+2tOwJWWuthJ6xs= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Loic Poulain , Peter Chen , Sasha Levin , linux-usb@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 028/109] usb: chipidea: Fix otg event handler Date: Sat, 9 Nov 2019 21:44:20 -0500 Message-Id: <20191110024541.31567-28-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191110024541.31567-1-sashal@kernel.org> References: <20191110024541.31567-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Loic Poulain [ Upstream commit 59739131e0ca06db7560f9073fff2fb83f6bc2a5 ] At OTG work running time, it's possible that several events need to be addressed (e.g. ID and VBUS events). The current implementation handles only one event at a time which leads to ignoring the other one. Fix it. Signed-off-by: Loic Poulain Signed-off-by: Peter Chen Signed-off-by: Sasha Levin --- drivers/usb/chipidea/otg.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index 10236fe715228..8bf4032226ed5 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -206,14 +206,17 @@ static void ci_otg_work(struct work_struct *work) } pm_runtime_get_sync(ci->dev); + if (ci->id_event) { ci->id_event = false; ci_handle_id_switch(ci); - } else if (ci->b_sess_valid_event) { + } + + if (ci->b_sess_valid_event) { ci->b_sess_valid_event = false; ci_handle_vbus_change(ci); - } else - dev_err(ci->dev, "unexpected event occurs at %s\n", __func__); + } + pm_runtime_put_sync(ci->dev); enable_irq(ci->irq); -- 2.20.1