From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752810AbdJCMXA (ORCPT ); Tue, 3 Oct 2017 08:23:00 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:60192 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752776AbdJCMWx (ORCPT ); Tue, 3 Oct 2017 08:22:53 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Robert Jarzmik Subject: [PATCH 4.4 36/41] dmaengine: mmp-pdma: add number of requestors Date: Tue, 3 Oct 2017 14:21:37 +0200 Message-Id: <20171003114222.537674588@linuxfoundation.org> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171003114219.900672076@linuxfoundation.org> References: <20171003114219.900672076@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Robert Jarzmik commit c283e41ef32442f41e7180f9bb1c5aedf9255bfe upstream. The DMA chip has a fixed number of requestor lines used for flow control. This number is platform dependent. The pxa_dma dma driver will use this value to activate or not the flow control. There won't be any impact on mmp_pdma driver. Signed-off-by: Robert Jarzmik Signed-off-by: Greg Kroah-Hartman --- include/linux/platform_data/mmp_dma.h | 1 + 1 file changed, 1 insertion(+) --- a/include/linux/platform_data/mmp_dma.h +++ b/include/linux/platform_data/mmp_dma.h @@ -14,6 +14,7 @@ struct mmp_dma_platdata { int dma_channels; + int nb_requestors; }; #endif /* MMP_DMA_H */