linux-kernel - Re: [PATCH v2 0/2] dmaengine: ti-dma-crossbar: Support for eDMA

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Message-ID: <5593DFF6.4090100@ti.com>
Date:	Wed, 1 Jul 2015 15:41:26 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	<vinod.koul@...el.com>, Tony Lindgren <tony@...mide.com>
CC:	<linux-kernel@...r.kernel.org>, <dmaengine@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, <misael.lopez@...com>
Subject: Re: [PATCH v2 0/2] dmaengine: ti-dma-crossbar: Support for eDMA

Hi,

On 06/08/2015 04:22 PM, Peter Ujfalusi wrote:
> Hi,
> 
> Changes since v01:
> - Drop change in compatible for the crossbar driver and do the configuration
>   based on the DT structure.
> 
> The ti-dma-crossbar driver in it's current form can work when it is used with
> sDMA (omap-dma). On DRA7x class of devices we have both sDMA and eDMA available.
> The sDMA driver expects to get the DMA request line with offset 1. The eDMA
> stack does not need the offset.
> The crosbbar itself is identical for sDMA and eDMA.
> At probe time the driver will do a match to figure out which dma engine it is
> connected to and based on that information it will configure the offset needed
> by the DMA driver.

Gentle ping, it has been almost a month ago this series has been sent.

> Regards,
> Peter
> ---
> Misael Lopez Cruz (1):
>   dmaengine: ti-dma-crossbar: Make idr xbar instance-specific
> 
> Peter Ujfalusi (1):
>   dmaengine: ti-dma-crossbar: Add support for eDMA
> 
>  drivers/dma/ti-dma-crossbar.c | 34 +++++++++++++++++++++++++++++-----
>  1 file changed, 29 insertions(+), 5 deletions(-)
> 


-- 
Péter
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