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From: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
To: Timur Tabi <timur@freescale.com>
Cc: dan.j.williams@intel.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] dmatest: properly handle duplicate DMA channels
Date: Thu, 18 Sep 2008 18:16:56 +0200	[thread overview]
Message-ID: <20080918181656.6ff00a14@hskinnemo-gx745.norway.atmel.com> (raw)
In-Reply-To: <1221754217-26974-1-git-send-email-timur@freescale.com>

Timur Tabi <timur@freescale.com> wrote:
> Update the the dmatest driver so that it handles duplicate DMA channels
> properly.
> 
> When a DMA client is notified of an available DMA channel, it must check if it
> has already allocated resources for that channel.  If so, it should return
> DMA_DUP.  This can happen, for example, if a DMA driver calls
> dma_async_device_register() more than once.
> 
> Signed-off-by: Timur Tabi <timur@freescale.com>

Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>

      reply	other threads:[~2008-09-18 16:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-18 16:10 Timur Tabi
2008-09-18 16:16 ` Haavard Skinnemoen [this message]

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