From mboxrd@z Thu Jan  1 00:00:00 1970
From: daniel@zonque.org (Daniel Mack)
Date: Wed, 16 Apr 2014 16:59:13 +0200
Subject: [PATCH RESEND] dma: mmp_pdma: add support for residue reporting
In-Reply-To: <20140416090923.GR32284@intel.com>
References: <1392636546-15541-1-git-send-email-zonque@gmail.com>
 <20140319151352.GJ1976@intel.com> <534576C3.2020409@zonque.org>
 <20140416064534.GL32284@intel.com> <534E3F3D.5080003@zonque.org>
 <20140416082326.GM32284@intel.com> <534E4172.8030401@zonque.org>
 <20140416090923.GR32284@intel.com>
Message-ID: <534E9AC1.1040706@zonque.org>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 04/16/2014 11:09 AM, Vinod Koul wrote:
> On Wed, Apr 16, 2014 at 10:38:10AM +0200, Daniel Mack wrote:
>>>> It might add to the readability of the drivers, but for the current
>>>> case, I don't think it's really necessary.
>>> That is because you are maintaining the current descriptors in chain_running. If
>>> we use above method then you dont need to use this, right?
>>
>> Jup, but that would result in a rewrite of larger parts of the code. The
>> concept of hot-linking the two list so there's only one resulting list
>> of currently active descriptors is built-in deeply into the driver's
>> concept.
> Ah I suspected so :)
> 
> I think for now this is fine you can perhaps upgrade this later :)

So, do you want me to resend with the minor dma_set_residue() change?


Thanks,
Daniel