DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version
         :content-type:content-transfer-encoding:content-disposition
         :references:x-google-sender-auth;
        b=V2kB4R0B2Qgo8q0hs8rasey/I78rH2/fL1bJnCGfdRzH89DbrtMiB1h+HY5gdp95LY
         XUerVyVhzjyxi+ihPrHav0Xyikv0wR2N5oTkC8vgYWdEdzvCxXWI+p8ceXOx/phF0Ixd
         BZrLbVhiR7xL6d15HFDCzNAgLg/Vf91mm418g=
Message-ID: <e9c3a7c20812041052l7fa7c148jf0a40318a2fe8cf4@mail.gmail.com>
Date: Thu, 4 Dec 2008 11:52:28 -0700
From: "Dan Williams" <dan.j.williams@intel.com>
To: "Guennadi Liakhovetski" <g.liakhovetski@gmx.de>
Subject: Re: [PATCH 0/4] dmaengine redux continued
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.64.0812040937010.5079@axis700.grange>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
References: <20081204004514.27790.51174.stgit@dwillia2-linux.ch.intel.com>
	 <Pine.LNX.4.64.0812040937010.5079@axis700.grange>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 865
Lines: 20

On Thu, Dec 4, 2008 at 1:51 AM, Guennadi Liakhovetski
<g.liakhovetski@gmx.de> wrote:
> What about the last hunk from the patch at
>
> http://marc.info/?l=linux-arm-kernel&m=122607472721145&w=2
>
> ? Can we add this tx_free pointer? Would you like me to submit it as a
> separate patch? I'd like to be able to reuse tx-descriptors in clients, so
> I then have to explicitly release them in the dmaengine device
> (controller) driver.
>

I took a look but the description does not explain why the driver
needs an explicit release.  In what cases is the implied release, when
the descriptor is acked && done, insufficient?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/