From: Vinod Koul <vinod.koul-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> To: Laxman Dewangan <ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Cc: Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>, "dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org" <dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, "grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org" <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>, "rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org" <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, "devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org" <devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>, Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org> Subject: Re: [PATCH V1] dmaengine: tegra: add dma driver Date: Wed, 25 Apr 2012 15:03:45 +0530 [thread overview] Message-ID: <1335346425.31825.118.camel@vkoul-udesk3> (raw) In-Reply-To: <4F97BD67.1050300-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> On Wed, 2012-04-25 at 14:31 +0530, Laxman Dewangan wrote: > > I had a communication with Russell on another change thread and > understand that some more work need to be done in virt_chan to support > cyclic one. > > I want to have the cyclic dma support in my driver so I want to go on > following steps: > 1. I will post the patch for tegra dma which will not use the virt_dma > so that my driver will be independent of Russel's change. which driver? A new driver for cyclic support only or on top of Russell's changes? > 2. Once the tegra dma is part of tree, I can move all my dma client to > use the dmaengine based driver and remove old style dma. > 3. Till that time Russell's will have already virt_dma support for > cyclic one and so I will change tegra_dma.c to use virt_dma. > > > Let me know your opinion so that I can plan my patch/change > accordingly. -- ~Vinod
WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vinod.koul@linux.intel.com> To: Laxman Dewangan <ldewangan@nvidia.com> Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>, "dan.j.williams@intel.com" <dan.j.williams@intel.com>, "grant.likely@secretlab.ca" <grant.likely@secretlab.ca>, "rob.herring@calxeda.com" <rob.herring@calxeda.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "devicetree-discuss@lists.ozlabs.org" <devicetree-discuss@lists.ozlabs.org>, Stephen Warren <swarren@nvidia.com>, "linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org> Subject: Re: [PATCH V1] dmaengine: tegra: add dma driver Date: Wed, 25 Apr 2012 15:03:45 +0530 [thread overview] Message-ID: <1335346425.31825.118.camel@vkoul-udesk3> (raw) In-Reply-To: <4F97BD67.1050300@nvidia.com> On Wed, 2012-04-25 at 14:31 +0530, Laxman Dewangan wrote: > > I had a communication with Russell on another change thread and > understand that some more work need to be done in virt_chan to support > cyclic one. > > I want to have the cyclic dma support in my driver so I want to go on > following steps: > 1. I will post the patch for tegra dma which will not use the virt_dma > so that my driver will be independent of Russel's change. which driver? A new driver for cyclic support only or on top of Russell's changes? > 2. Once the tegra dma is part of tree, I can move all my dma client to > use the dmaengine based driver and remove old style dma. > 3. Till that time Russell's will have already virt_dma support for > cyclic one and so I will change tegra_dma.c to use virt_dma. > > > Let me know your opinion so that I can plan my patch/change > accordingly. -- ~Vinod
next prev parent reply other threads:[~2012-04-25 9:33 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-04-20 9:08 [PATCH V1] dmaengine: tegra: add dma driver Laxman Dewangan 2012-04-20 9:08 ` Laxman Dewangan [not found] ` <1334912896-4614-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2012-04-20 11:14 ` Vinod Koul 2012-04-20 11:14 ` Vinod Koul 2012-04-20 12:16 ` Laxman Dewangan 2012-04-20 12:16 ` Laxman Dewangan [not found] ` <4F9153AF.7020901-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2012-04-20 13:45 ` Laxman Dewangan 2012-04-20 13:45 ` Laxman Dewangan 2012-04-23 8:41 ` Vinod Koul 2012-04-23 8:41 ` Vinod Koul 2012-04-23 12:17 ` Laxman Dewangan 2012-04-23 12:17 ` Laxman Dewangan [not found] ` <4F95483F.5020005-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2012-04-23 12:23 ` Vinod Koul 2012-04-23 12:23 ` Vinod Koul 2012-04-23 13:06 ` Russell King - ARM Linux 2012-04-23 13:06 ` Russell King - ARM Linux [not found] ` <20120423130659.GA22186-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org> 2012-04-23 13:17 ` Laxman Dewangan 2012-04-23 13:17 ` Laxman Dewangan [not found] ` <4F95567E.3090605-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2012-04-25 9:01 ` Laxman Dewangan 2012-04-25 9:01 ` Laxman Dewangan [not found] ` <4F97BD67.1050300-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2012-04-25 9:33 ` Vinod Koul [this message] 2012-04-25 9:33 ` Vinod Koul 2012-04-25 9:42 ` Laxman Dewangan 2012-04-25 9:42 ` Laxman Dewangan [not found] ` <4F97C709.2060807-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2012-04-25 9:43 ` Vinod Koul 2012-04-25 9:43 ` Vinod Koul 2012-04-25 9:58 ` Laxman Dewangan 2012-04-25 9:58 ` Laxman Dewangan 2012-04-25 10:35 ` Russell King - ARM Linux 2012-04-25 10:35 ` Russell King - ARM Linux
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