linux-kernel - Re: [PATCH v4] dmaengine: pl330: flush before wait, and add dev burst support.

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Message-ID: <20180410153718.GS6014@localhost>
Date:   Tue, 10 Apr 2018 21:07:18 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     Frank Mori Hess <fmh6jj@...il.com>
Cc:     dmaengine@...r.kernel.org, Dan Williams <dan.j.williams@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] dmaengine: pl330: flush before wait, and add dev
 burst support.

On Mon, Apr 09, 2018 at 08:41:18PM -0400, Frank Mori Hess wrote:
> On Tue, Mar 13, 2018 at 2:34 PM, Frank Mori Hess <fmh6jj@...il.com> wrote:
> > Do DMAFLUSHP _before_ the first DMAWFP to ensure controller
> > and peripheral are in agreement about dma request state before first
> > transfer.  Add support for burst transfers to/from peripherals. In the new
> > scheme, the controller does as many burst transfers as it can then
> > transfers the remaining dregs with either single transfers for
> > peripherals, or with a reduced size burst for memory-to-memory transfers.
> 
> Hi, what is the state of this patch?  I just noticed in patchwork it
> is now listed as "Not applicable"?  The original broken-by-wordwrap
> patch is listed as "Accepted"?
> 
> https://patchwork.kernel.org/project/linux-dmaengine/list/?submitter=178687&state=*

That is not correct state, my script would update as not applicable when it
doesn't find patch in my queue..

> I found it has a bug handling dregs btw, I'll include a fix for that
> in the next version or as a follow-on patch as appropriate.

Looks like I have missed this one somehow, so please update the patch with
fix and I shall look into it.

Thanks

-- 
~Vinod