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From: Vinod Koul <vinod.koul@intel.com>
To: Rob Herring <robherring2@gmail.com>
Cc: linux-kernel@vger.kernel.org,
	devicetree-discuss@lists.ozlabs.org,
	Rob Herring <rob.herring@calxeda.com>, Dan Williams <djbw@fb.com>,
	Grant Likely <grant.likely@secretlab.ca>
Subject: Re: [PATCH 1/2] of: dma: make #dma-cells optional
Date: Thu, 7 Mar 2013 12:04:26 +0530	[thread overview]
Message-ID: <20130307063426.GF13370@intel.com> (raw)
In-Reply-To: <1362013078-2213-1-git-send-email-robherring2@gmail.com>

On Wed, Feb 27, 2013 at 06:57:57PM -0600, Rob Herring wrote:
> From: Rob Herring <rob.herring@calxeda.com>
> 
> For controllers with no requests/clients (memory to memory only), the
Change log is truncated...

> 
> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
> Cc: Vinod Koul <vinod.koul@intel.com>
> Cc: Dan Williams <djbw@fb.com>
> Cc: Grant Likely <grant.likely@secretlab.ca>
> ---
>  Documentation/devicetree/bindings/dma/dma.txt |    7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/dma.txt b/Documentation/devicetree/bindings/dma/dma.txt
> index 8f504e6..d388f06 100644
> --- a/Documentation/devicetree/bindings/dma/dma.txt
> +++ b/Documentation/devicetree/bindings/dma/dma.txt
> @@ -8,9 +8,10 @@ controller.
>  * DMA controller
>  
>  Required property:
> -- #dma-cells: 		Must be at least 1. Used to provide DMA controller
> -			specific information. See DMA client binding below for
> -			more details.
> +- #dma-cells: 		Required for controllers with requests. Optional for
> +			memory to memory only DMA controllers. Must be at least
> +			1. Used to provide DMA controller specific information. 
> +			See DMA client binding below for more details.
>  
>  Optional properties:
>  - dma-channels: 	Number of DMA channels supported by the controller.
> -- 
> 1.7.10.4
> 

      parent reply	other threads:[~2013-03-07  6:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-28  0:57 [PATCH 1/2] of: dma: make #dma-cells optional Rob Herring
2013-02-28  0:57 ` [PATCH 2/2] dma: of: allow for non-existent #dma-cells property Rob Herring
     [not found] ` <1362013078-2213-1-git-send-email-robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-02-28  1:33   ` [PATCH 1/2] of: dma: make #dma-cells optional Jon Hunter
     [not found]     ` <512EB3FD.2000207-l0cyMroinI0@public.gmane.org>
2013-02-28  1:43       ` Jon Hunter
2013-03-07  6:34 ` Vinod Koul [this message]

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