From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754780AbcBWRpV (ORCPT ); Tue, 23 Feb 2016 12:45:21 -0500 Received: from smtp07.smtpout.orange.fr ([80.12.242.129]:39381 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754731AbcBWRpR (ORCPT ); Tue, 23 Feb 2016 12:45:17 -0500 X-ME-Helo: belgarion X-ME-Auth: amFyem1pay5yb2JlcnRAb3JhbmdlLmZy X-ME-Date: Tue, 23 Feb 2016 18:45:13 +0100 X-ME-IP: 109.220.219.11 From: Robert Jarzmik To: Haojian Zhuang Cc: Pawel Moll , Rob Herring , Mark Rutland , Ian Campbell , Kumar Gala , Daniel Mack , Vinod Koul , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org Subject: Re: [PATCH v2 2/4] dmaengine: mmp-pdma: add number of requestors References: <1455569868-25017-1-git-send-email-robert.jarzmik@free.fr> <1455569868-25017-2-git-send-email-robert.jarzmik@free.fr> X-URL: http://belgarath.falguerolles.org/ Date: Tue, 23 Feb 2016 18:45:09 +0100 In-Reply-To: <1455569868-25017-2-git-send-email-robert.jarzmik@free.fr> (Robert Jarzmik's message of "Mon, 15 Feb 2016 21:57:46 +0100") Message-ID: <8737sjwcbe.fsf@belgarion.home> User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Robert Jarzmik writes: > 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. Haojian, Even if mmp_pdma will not be impacted, it would be good to have have your ack on this trivial patch. Cheers. -- Robert [1] The patch > > Signed-off-by: Robert Jarzmik > --- > include/linux/platform_data/mmp_dma.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/linux/platform_data/mmp_dma.h b/include/linux/platform_data/mmp_dma.h > index 2a330ec9e2af..d1397c8ed94e 100644 > --- 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 */ -- Robert