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Date:	Wed, 19 Dec 2012 10:02:53 -0700
From:	Stephen Warren <>
To:	Laxman Dewangan <>
Subject: Re: [PATCH] dma: tegra: implement flags parameters for cyclic transfer

On 12/19/2012 06:40 AM, Laxman Dewangan wrote:
> The flag parameter is added in the cyclic transfer request.
> Use the flag option of:
> - DMA_PREP_INTERRUPT for enabling interrupt.
> - DMA_CTRL_ACK for deciding whether ack is requred or not for
>   descriptor.

Do the relevant drivers that use Tegra's DMA engine already set flags
correctly, so that this change won't cause any regressions?

Why would you not want to enable interrupts; how does a client know when
to refill the buffer?

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