From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 3A9D125393E; Sat, 12 Sep 2026 07:46:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789199190; cv=none; b=SZLcTWMxjFa9B1GdLratc8AncguWYGpJrvj/A21jxtw15aYZlba5+alQsTTZuO2V9qTOLyHkKa+1XN4N8lPG9bhq9pwIVCigazMLSDvIs+TtgT8vB+Lx+blxYTOQI+MsOey4yEpN/OKMUYakr3X6I6FuQ1G5TwPC+HGarTnEjwg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789199190; c=relaxed/simple; bh=Hnzmzd1KsqGLWu5CMhbJJyvwLd99Hisuz78NYrYRJJg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IzpFHs+cOxG+Q96Wb2EeHSQRNgdHAyDUQfPgpd2sVUYdhd+NzWoSvV3BBErX1Ood18vDG17dcdEdPnbHFR/XlibOjUQTc6D7S0lRBlXU6VdssovpUrDcW5OXJb2ZlksG+ko9VXASIklqSGaANc/Nm5kW/V9a4u8XQVYVUOnNCxM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=bI7M9XKb; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="bI7M9XKb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CDCE71F000FF; Sat, 12 Sep 2026 07:46:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789199189; bh=ZM8u775jbrNbk+KTYIy5KV/F53T8aAHsOCzLNjp/O/4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=bI7M9XKb5f9lj2LYTJLGd2k5TvHp+1fozlovZ6BGrLI8G6AFwYcxLBpou9qvQU6GE XMG/cHK1Xeg4rBv6E79c/fL2mQPVswVunuS9IAXXniJ0ut7qbNTXLvzm9O7A6ov2aW euH4XuICySADl9iTsPAwAP7fFsmbNcHzFV9EmlGk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Frank Li , Koichiro Den , Vinod Koul , Sasha Levin Subject: [PATCH 7.2 0533/1815] dmaengine: dw-edma: Clear stale requests on termination Date: Sat, 12 Sep 2026 08:38:03 +0200 Message-ID: <20260912065701.391067946@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065648.999753832@linuxfoundation.org> References: <20260912065648.999753832@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Koichiro Den [ Upstream commit c0d9c6275adcca7c0ca5f4270bf88026f9864bd1 ] terminate_all() can finish immediately when the channel is unconfigured, paused, idle, or already stopped in hardware. A pending PAUSE request can survive these paths and block issue_pending() even after termination. Clear the request whenever termination leaves the channel idle. A running channel keeps its STOP request until the interrupt handler consumes it. Fixes: e63d79d1ffcd ("dmaengine: Add Synopsys eDMA IP core driver") Reviewed-by: Frank Li Signed-off-by: Koichiro Den Link: https://patch.msgid.link/20260717180639.2643243-7-den@valinux.co.jp Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/dw-edma/dw-edma-core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 7c71e0f99676c..5fc025ab4a04a 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -364,6 +364,8 @@ static int dw_edma_device_terminate_all(struct dma_chan *dchan) } else { chan->request = EDMA_REQ_STOP; } + if (chan->status == EDMA_ST_IDLE) + chan->request = EDMA_REQ_NONE; return err; } -- 2.53.0