linux-kernel - Re: [PATCH v2] dmaengine: imx-sdma: Correct src_addr

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Date:   Thu, 14 Sep 2017 16:43:08 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Nicolin Chen <nicoleotsuka@...il.com>
Cc:     Vinod Koul <vinod.koul@...el.com>,
        Fabio Estevam <fabio.estevam@....com>,
        Dan Williams <dan.j.williams@...el.com>,
        dmaengine@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] dmaengine: imx-sdma: Correct src_addr_widths and directions

Hi Nicolin,

On Thu, Sep 14, 2017 at 3:46 PM, Nicolin Chen <nicoleotsuka@...il.com> wrote:
> The driver already supports DMA_DEV_TO_DEV in sdma_config(),
> DMA_SLAVE_BUSWIDTH_2_BYTES and DMA_SLAVE_BUSWIDTH_1_BYTE in
> sdma_prep_slave_sg(). So this patch adds them to the lists.
>
> Signed-off-by: Nicolin Chen <nicoleotsuka@...il.com>

Patch looks good.

Just curious: what is the specific usecase that triggered this change?

Thanks