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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 03018C433E0 for ; Fri, 15 Jan 2021 00:30:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D199123A9D for ; Fri, 15 Jan 2021 00:30:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731195AbhAOAaZ (ORCPT ); Thu, 14 Jan 2021 19:30:25 -0500 Received: from bin-mail-out-06.binero.net ([195.74.38.229]:18162 "EHLO bin-mail-out-06.binero.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731073AbhAOAaY (ORCPT ); Thu, 14 Jan 2021 19:30:24 -0500 X-Halon-ID: bb380a3c-56c7-11eb-b73f-0050569116f7 Authorized-sender: niklas.soderlund@fsdn.se Received: from bismarck.berto.se (p4fca2458.dip0.t-ipconnect.de [79.202.36.88]) by bin-vsp-out-03.atm.binero.net (Halon) with ESMTPA id bb380a3c-56c7-11eb-b73f-0050569116f7; Fri, 15 Jan 2021 01:22:21 +0100 (CET) From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCH v2 1/4] rcar-vin: Do not try to stop stream if not running Date: Fri, 15 Jan 2021 01:21:45 +0100 Message-Id: <20210115002148.4079591-2-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210115002148.4079591-1-niklas.soderlund+renesas@ragnatech.se> References: <20210115002148.4079591-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Do not attempt to stop the streaming if the stream is not running. Signed-off-by: Niklas Söderlund --- drivers/media/platform/rcar-vin/rcar-dma.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index 48280ddb15b9b0ee..f30dafbdf61ca15f 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -1301,6 +1301,11 @@ void rvin_stop_streaming(struct rvin_dev *vin) spin_lock_irqsave(&vin->qlock, flags); + if (vin->state == STOPPED) { + spin_unlock_irqrestore(&vin->qlock, flags); + return; + } + vin->state = STOPPING; /* Wait until only scratch buffer is used, max 3 interrupts. */ -- 2.30.0