linux-kernel - Re: [PATCH 0/2] STM32 DMA Direct mode

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Message-ID: <20200427161038.GJ56386@vkoul-mobl.Dlink>
Date:   Mon, 27 Apr 2020 21:40:38 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Amelie Delaunay <amelie.delaunay@...com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Pierre-Yves Mordret <pierre-yves.mordret@...com>
Subject: Re: [PATCH 0/2] STM32 DMA Direct mode

On 22-04-20, 12:29, Amelie Delaunay wrote:
> By default, the driver compute if the FIFO must operate in direct mode or with
> FIFO threshold. Direct mode is allowed only if computed source burst and
> destination burst are disabled. But with memory source or destination, burst
> is always > 0.
> Direct mode is useful when the peripheral requires an immediate and single
> transfer to or from the memory after each DMA request.
> This patchset adds a way to force Direct mode through device tree.

Applied, thanks

-- 
~Vinod