linux-kernel - Re: [PATCH 4/7] spi: spi-geni-qcom: Add support for GPI dma

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Message-ID: <20210111163504.GD4728@sirena.org.uk>
Date:   Mon, 11 Jan 2021 16:35:04 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Wolfram Sang <wsa@...nel.org>, linux-arm-msm@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Amit Pundir <amit.pundir@...aro.org>,
        linux-spi@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/7] spi: spi-geni-qcom: Add support for GPI dma

On Mon, Jan 11, 2021 at 08:46:48PM +0530, Vinod Koul wrote:

> +static int get_xfer_mode(struct spi_master *spi)
> +{
> +	struct spi_geni_master *mas = spi_master_get_devdata(spi);
> +	struct geni_se *se = &mas->se;
> +	int mode = GENI_SE_FIFO;

Why not use the core DMA mapping support?

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