From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 16AA44BCAB0; Sat, 28 Feb 2026 17:56:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301362; cv=none; b=T1rhlaXy3XgpEm7mr3pDgqfhjnyjwlstQMPQBPm+7N8od8ZKF+yexMb+0ISciNFC+y1KGgN+KWmWPOEgkkxR3TGaspjvIjDQUuODUz0Ik5z0W393Ij+exJLMd5jU0FfuUrEv6JDLwXnL7w4oV4R5jXFdsKzggJcfA+l97rJxt04= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301362; c=relaxed/simple; bh=dTle06lUXDk7SlT5K/JGW0wMzFUKzTs8xoOQno5za78=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=a7MumSOh8jG6dvz7m+baUAAKTWLnZ7aRRz3sWkJGxTiL7OLYmSjDQdX+pWJfrws2jFkkuJHVGT1wpona8kiVUQAiz1wx3TIGxl74w2mmIZKDOi7gmn997hQdOeimy7KWC0i52blwMpTGgULxWxX9ZmZZkwb/Ssucz2RprE5qrB0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kvyx6iRl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kvyx6iRl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4B806C2BC87; Sat, 28 Feb 2026 17:56:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301362; bh=dTle06lUXDk7SlT5K/JGW0wMzFUKzTs8xoOQno5za78=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kvyx6iRl5AENPh10NpAYwn29JGiXg4HY9FN17i077hl6GqngZdo8Sncm2+SNz1+1u 35pUfT8A5AiIv76P75kTWSYA8mkjK5CzfdwiLRavG1MvEeTmJNamRadAuOerTERGVM FdsmdwLDaJ1MjYYva1nfKLFrIZ7D+8+e67LHnWiEyxd07f+WpyzwxP/QUGZ067O5Vk BZJwuIeeIUiLGNpfwBJjV8hU/kyrsisT5B+8wQaRYR2Y+xHK2yY2o/rcmF3oTz0u3O bA6KoEWcLI7zfuB/7pcp55iUquCBC3iYMRkZj0amTkSqvsUDuMgRRAn5edCQLuGsZO pULrCtnNKBzmA== From: Sasha Levin To: patches@lists.linux.dev Cc: Alain Volmat , stable@vger.kernel.org, Sakari Ailus , Hans Verkuil , Sasha Levin Subject: [PATCH 6.18 550/752] media: stm32: dcmipp: bytecap: clear all interrupts upon stream stop Date: Sat, 28 Feb 2026 12:44:21 -0500 Message-ID: <20260228174750.1542406-550-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Alain Volmat [ Upstream commit 222f1279edd9008ee35b62de156ddac84e31443c ] Ensure that there are no pending interrupts after we have stopped the pipeline. Indeed, it could happen that new interrupt has been generated during the stop_streaming processing hence clear them in order to avoid getting a new interrupt right from the start of a next start_streaming. Fixes: 28e0f3772296 ("media: stm32-dcmipp: STM32 DCMIPP camera interface driver") Cc: stable@vger.kernel.org Signed-off-by: Alain Volmat Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-bytecap.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-bytecap.c b/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-bytecap.c index 1c1b6b48918ee..b18e273ef4a3e 100644 --- a/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-bytecap.c +++ b/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-bytecap.c @@ -512,6 +512,9 @@ static void dcmipp_bytecap_stop_streaming(struct vb2_queue *vq) /* Disable pipe */ reg_clear(vcap, DCMIPP_P0FSCR, DCMIPP_P0FSCR_PIPEN); + /* Clear any pending interrupts */ + reg_write(vcap, DCMIPP_CMFCR, DCMIPP_CMIER_P0ALL); + spin_lock_irq(&vcap->irqlock); /* Return all queued buffers to vb2 in ERROR state */ -- 2.51.0