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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 10982C33C9E for ; Tue, 7 Jan 2020 20:59:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D94982187F for ; Tue, 7 Jan 2020 20:59:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578430792; bh=f7riSQYSD9dq6KDWq8/8Vox2o1Mmr7zZUlnn9T8PxII=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=of+RhqNzx1r8VpVuL2U9IShdxyRQONaP8V+4MkB8FT4KM+PmQMjdrIf07ZDj4ous2 HD8pqjWKaUB3F7tgivtxseTknL1ESarHGL+L/CFYGcr4GhL47ZFDU3IOvPfYzI13dO fJ0vmVtOGO7ZVSUlWbUJ0pEEW5bEMFqPsnqoqRv8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728174AbgAGU7v (ORCPT ); Tue, 7 Jan 2020 15:59:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:33496 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728199AbgAGU7v (ORCPT ); Tue, 7 Jan 2020 15:59:51 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EEBDC2081E; Tue, 7 Jan 2020 20:59:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578430790; bh=f7riSQYSD9dq6KDWq8/8Vox2o1Mmr7zZUlnn9T8PxII=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AIt/TUtjmakvnriexr/RkdxsQ41PVFPbCepvVufgRW/lw2NKaYc+to8rIe3slsRcI QZfrOttrcfaCqpL6Hj3YfMUaneowi5BrLxub2bdsMgZqnYybD0Pueq9Hu880/XI+46 JmuPUnn2rhZ9z6/8T+JZQdpc/YH47oLYIELRnjJg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Paul Cercueil , Vinod Koul Subject: [PATCH 5.4 098/191] dmaengine: dma-jz4780: Also break descriptor chains on JZ4725B Date: Tue, 7 Jan 2020 21:53:38 +0100 Message-Id: <20200107205338.236147396@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200107205332.984228665@linuxfoundation.org> References: <20200107205332.984228665@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Paul Cercueil commit a40c94be2336f3002563c9ae16572143ae3422e2 upstream. It turns out that the JZ4725B displays the same buggy behaviour as the JZ4740 that was described in commit f4c255f1a747 ("dmaengine: dma-jz4780: Break descriptor chains on JZ4740"). Work around it by using the same workaround previously used for the JZ4740. Fixes commit f4c255f1a747 ("dmaengine: dma-jz4780: Break descriptor chains on JZ4740") Cc: Signed-off-by: Paul Cercueil Link: https://lore.kernel.org/r/20191210165545.59690-1-paul@crapouillou.net Signed-off-by: Vinod Koul Signed-off-by: Greg Kroah-Hartman --- drivers/dma/dma-jz4780.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -1004,7 +1004,8 @@ static const struct jz4780_dma_soc_data static const struct jz4780_dma_soc_data jz4725b_dma_soc_data = { .nb_channels = 6, .transfer_ord_max = 5, - .flags = JZ_SOC_DATA_PER_CHAN_PM | JZ_SOC_DATA_NO_DCKES_DCKEC, + .flags = JZ_SOC_DATA_PER_CHAN_PM | JZ_SOC_DATA_NO_DCKES_DCKEC | + JZ_SOC_DATA_BREAK_LINKS, }; static const struct jz4780_dma_soc_data jz4770_dma_soc_data = {