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 A88C57BB14; Wed, 21 Feb 2024 13:44:17 +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=1708523057; cv=none; b=WkC8TH3p7Jc5J1nIMDqFBtpmCbNeLgAcFLlhclweiZb3eEbTwl9ohFHqEsAsC99ZDMCqsIhB8gWYwKKyyeKGtKrSkJIBmX8d3J+KQlS35cm8hgQJDJTSg0NyT4WGQQv//U5/9KM0La8OhJx4mI69L6gR5cS4SEkPjrD68mD6eno= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708523057; c=relaxed/simple; bh=8dd0irrc/Juh0UQq2lbvb0uyQ1PsymQ0+SvJ+IkgbXs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=j2s7MtPXNKg+3HdSIsvaq+upLT6sXWJoT30TQAlafzZ1FC/efH03I95I8/TlRV+0MviKdqrbHdPr9ZL/HdsXrvWZYVOFXingFU+imSoWQW/9eou2bjbRjsp1pEWvSR6dTE4MFClWvGiSnC1BmMKcnHRfi7BUpiRU8GI+FAFiXkE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=bVuLwrVQ; 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="bVuLwrVQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D794BC43399; Wed, 21 Feb 2024 13:44:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1708523057; bh=8dd0irrc/Juh0UQq2lbvb0uyQ1PsymQ0+SvJ+IkgbXs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bVuLwrVQ78ljAvYErqIDLvx+MqdLVcCfJwIeugJzei73lMLYpeop/KCc03mP8CYAq nyS0825zSYVAZmzmX+YCzC6/ocKMZ4EFB/Ovp8tTWDJvqIr3LjAqCVZM8sV2o6NeK5 OAuwHh5u70Um5+B+lkigITirwWxmaT9BSEjvF9mk= 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 5.15 301/476] dmaengine: fix is_slave_direction() return false when DMA_DEV_TO_DEV Date: Wed, 21 Feb 2024 14:05:52 +0100 Message-ID: <20240221130019.122039397@linuxfoundation.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240221130007.738356493@linuxfoundation.org> References: <20240221130007.738356493@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 5.15-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 9000f3ffce8b..04826a793039 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -959,7 +959,8 @@ 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