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=-13.1 required=3.0 tests=BAYES_00,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 912DAC5DF9E for ; Tue, 27 Oct 2020 00:32:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C9E72223C for ; Tue, 27 Oct 2020 00:32:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603758738; bh=dqa6JtxLJRn8iT3a/4dQdhFUK2GrFl4nkpI3gzWfnGc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=uAzdtIpOK1aveHLFLuVeaim4IbHaXa2ED6ULpMERIUt6qjTiTIRImQ1lM8TczpDpw D1U/Ohi+STkx54UNdFk9OKPt6D70OuoHXWP+HMfIB3SYQpzCHCAwt0dNao2EhbkXlW E3aVOGWfZztCyzcbWZkJmNNB4XrYVDKwWBx2A0c4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2409490AbgJ0AcM (ORCPT ); Mon, 26 Oct 2020 20:32:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:51912 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2409373AbgJZXvT (ORCPT ); Mon, 26 Oct 2020 19:51:19 -0400 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 D94F620874; Mon, 26 Oct 2020 23:51:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603756278; bh=dqa6JtxLJRn8iT3a/4dQdhFUK2GrFl4nkpI3gzWfnGc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VIdT1FoC0o+dCqIPM3dyRFvBKMJtX9slY0QRu8uOVcgZGGkzvQfXVNwuXMZ+0L0fd GdzeY0lB8fDFNuTPYe2Tnf0xbLzbov5n5gTBX4yiQqD5zLhZGCcefg/0WWucWjn6ba tbo8WkZgeC4Em1h+co7/1UcLLAmtIAXC3vmJYGlc= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chris Lew , Arun Kumar Neelakantam , Deepak Kumar Singh , Bjorn Andersson , Sasha Levin , linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org Subject: [PATCH AUTOSEL 5.9 109/147] rpmsg: glink: Use complete_all for open states Date: Mon, 26 Oct 2020 19:48:27 -0400 Message-Id: <20201026234905.1022767-109-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201026234905.1022767-1-sashal@kernel.org> References: <20201026234905.1022767-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Chris Lew [ Upstream commit 4fcdaf6e28d11e2f3820d54dd23cd12a47ddd44e ] The open_req and open_ack completion variables are the state variables to represet a remote channel as open. Use complete_all so there are no races with waiters and using completion_done. Signed-off-by: Chris Lew Signed-off-by: Arun Kumar Neelakantam Signed-off-by: Deepak Kumar Singh Link: https://lore.kernel.org/r/1593017121-7953-2-git-send-email-deesin@codeaurora.org Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/rpmsg/qcom_glink_native.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index f40312b16da06..b5570c83a28c6 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -970,7 +970,7 @@ static int qcom_glink_rx_open_ack(struct qcom_glink *glink, unsigned int lcid) return -EINVAL; } - complete(&channel->open_ack); + complete_all(&channel->open_ack); return 0; } @@ -1178,7 +1178,7 @@ static int qcom_glink_announce_create(struct rpmsg_device *rpdev) __be32 *val = defaults; int size; - if (glink->intentless) + if (glink->intentless || !completion_done(&channel->open_ack)) return 0; prop = of_find_property(np, "qcom,intents", NULL); @@ -1413,7 +1413,7 @@ static int qcom_glink_rx_open(struct qcom_glink *glink, unsigned int rcid, channel->rcid = ret; spin_unlock_irqrestore(&glink->idr_lock, flags); - complete(&channel->open_req); + complete_all(&channel->open_req); if (create_device) { rpdev = kzalloc(sizeof(*rpdev), GFP_KERNEL); -- 2.25.1