From mboxrd@z Thu Jan  1 00:00:00 1970
From: peter.ujfalusi@ti.com (Peter Ujfalusi)
Date: Fri, 30 Oct 2015 09:20:37 +0200
Subject: [PATCH 0/3] dmaengine: ti-dma-crossbar: channel reserving and
 edma3-tcc support
In-Reply-To: <1446107331-30041-1-git-send-email-peter.ujfalusi@ti.com>
References: <1446107331-30041-1-git-send-email-peter.ujfalusi@ti.com>
Message-ID: <56331A45.6020201@ti.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Vinod,

On 10/29/2015 10:28 AM, Peter Ujfalusi wrote:
> Hi,
> 
> This series depends on the eDMA work I have done, which has been now applied:
> https://lkml.org/lkml/2015/10/16/64
> 
> DRA7 family of chips have both sDMA and eDMA. Currently only sDMA can be used
> becasue the old driver stack for eDMA did not allowed integration w/o hacks.
> 
> Due to the nature of eDMA the crossbar needs to know which eDMA events it can
> use to map incoming events towards the eDMA. In eDMA a channel is wired to be
> used with one specific event. For example eDMA event 14 can only be handled by
> eDMA channel 14.
> The eDMA itself can be shared by different processors in the system (ARM, DSP,
> etc) and since ARM/Linux is the master we need to know which channels are used
> by other cores. Also we need to mask out channels used for memcpy from the
> events we use for HW triggers.

Please ignore this series, I have found some issue with it and I just started
to debug it. Will post V2 as soon as I found the problem.

> 
> Regards,
> Peter
> ---
> Peter Ujfalusi (3):
>   dmaengine: ti-dma-crossbar: dra7: Use bitops instead of idr
>   dmaengine: ti-dma-crossbar: dra7: Support for reserving DMA event
>     ranges
>   dmaengine: ti-dma-crossbar: dra7: Support for eDMA with new bindings
> 
>  .../devicetree/bindings/dma/ti-dma-crossbar.txt    |  6 ++
>  drivers/dma/ti-dma-crossbar.c                      | 81 +++++++++++++++++++---
>  2 files changed, 76 insertions(+), 11 deletions(-)
> 


-- 
P?ter