Re: [PATCH v5 1/3] ARM: add CPPI 4.1 DMA support

From: Sergei Shtylyov
Date: Tue Sep 28 2010 - 06:15:13 EST


Hello.

On 28-09-2010 13:13, Linus Walleij wrote:

Add support for Texas Instuments Communication Port Programming Interface 4.1
(CPPI 4.1) used on OMAP-L1x/DA8xx and AM35x.

Sorry for late feedback ...

+++ linux-davinci/arch/arm/common/cppi41.c

Can you migrate this driver to drivers/dma/cppi41.c and use the
DMAengine interface like so many DMA drivers we have created
recently, or is there some very special characteristics about this
DMA controller meriting it to be placed in arch/arm/*?

I have once studied the possibility of doing this driver under drivers/dma/, and found that hardly achievable. Maybe I should try again though...

Yours,
Linus Walleij

WBR, Sergei
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