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 724037BAF7; Wed, 21 Feb 2024 14:25:13 +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=1708525513; cv=none; b=sabBg8y73fL10HYd/5gzfLBpdzBXMOz5Vyog+w5oDKvvlFq6l2vFPebmD65EBEGByuTVdFkq0rXErrOuNHxhv/6+S0mTmYkCoLW+yCFbY6ULh8l4xX0lXsHHVv2982U9HUL/MS4d1EHMQWmx8pfnWmV6V3KDV/WRFwsCv4uDzK0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708525513; c=relaxed/simple; bh=YtoANlfhiM97WQFk0qTMA1FWbt2F92h/u1lPvLZnixU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OGTayE5dgiSPG2uZu5XFzP0riWIJFyFjJxizubMdXZhVNFU21x2x0jgfGkeujx/zW6gnai7scj7rBM8X2ANPeBvGTXe8XwTQ8H/lZ7H5/zrk1oD19jko1qQlbwHphBH74X03CfCiaVHZx6q4JlwgNrHuDgELc+7v8zL+iIifzT4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=f9vdMlWx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="f9vdMlWx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 01A6CC433C7; Wed, 21 Feb 2024 14:25:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1708525513; bh=YtoANlfhiM97WQFk0qTMA1FWbt2F92h/u1lPvLZnixU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f9vdMlWxM52J3nU8MtENSBNnh2C7UvVJBiD91sG/i9gJKU8QYdiNQeBMeoGXGZlaV 2zSblVoF9v/6laeRWLexVpccovDl7TVRIkB6gLsuEU6+NwfbeV1xfjZBXbWwE7647S JplI2TXiZLeUJXLZu9bS+bZCPzmslzs1VQWBJrF4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Frank Li , Vinod Koul , Sasha Levin Subject: [PATCH 5.4 179/267] dmaengine: fix is_slave_direction() return false when DMA_DEV_TO_DEV Date: Wed, 21 Feb 2024 14:08:40 +0100 Message-ID: <20240221125945.752213069@linuxfoundation.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240221125940.058369148@linuxfoundation.org> References: <20240221125940.058369148@linuxfoundation.org> User-Agent: quilt/0.67 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 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Frank Li [ Upstream commit a22fe1d6dec7e98535b97249fdc95c2be79120bb ] is_slave_direction() should return true when direction is DMA_DEV_TO_DEV. Fixes: 49920bc66984 ("dmaengine: add new enum dma_transfer_direction") Signed-off-by: Frank Li Link: https://lore.kernel.org/r/20240123172842.3764529-1-Frank.Li@nxp.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- include/linux/dmaengine.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 8013562751a5..aa8bdc7473ff 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -815,7 +815,8 @@ static inline int dmaengine_slave_config(struct dma_chan *chan, static inline bool is_slave_direction(enum dma_transfer_direction direction) { - return (direction == DMA_MEM_TO_DEV) || (direction == DMA_DEV_TO_MEM); + return (direction == DMA_MEM_TO_DEV) || (direction == DMA_DEV_TO_MEM) || + (direction == DMA_DEV_TO_DEV); } static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single( -- 2.43.0