linux-kernel - Re: [PATCH 01/14] dma: sun6i-dma: Add burst case of 4

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Message-Id: <20161004124011.d7f5754a082d5f17d5185fc4@free.fr>
Date:   Tue, 4 Oct 2016 12:40:11 +0200
From:   Jean-Francois Moine <moinejf@...e.fr>
To:     Mylène Josserand 
        <mylene.josserand@...e-electrons.com>
Cc:     vinod.koul@...el.com, maxime.ripard@...e-electrons.com,
        wens@...e.org, mturquette@...libre.com, sboyd@...eaurora.org,
        lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, lee.jones@...aro.org, mark.rutland@....com,
        robh+dt@...nel.org, thomas.petazzoni@...e-electrons.com,
        devicetree@...r.kernel.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
        alexandre.belloni@...e-electrons.com, dmaengine@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 01/14] dma: sun6i-dma: Add burst case of 4

On Tue,  4 Oct 2016 11:46:14 +0200
Mylène Josserand <mylene.josserand@...e-electrons.com> wrote:

> Add the case of a burst of 4 which is handled by the SoC.
> 
> Signed-off-by: Mylène Josserand <mylene.josserand@...e-electrons.com>
> ---
>  drivers/dma/sun6i-dma.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
> index 8346199..0485204 100644
> --- a/drivers/dma/sun6i-dma.c
> +++ b/drivers/dma/sun6i-dma.c
> @@ -240,6 +240,8 @@ static inline s8 convert_burst(u32 maxburst)
>  	switch (maxburst) {
>  	case 1:
>  		return 0;
> +	case 4:
> +		return 1;
>  	case 8:
>  		return 2;
>  	default:
> -- 
> 2.9.3

This patch has already been rejected by Maxime in the threads
	http://www.spinics.net/lists/dmaengine/msg08610.html
and
	http://www.spinics.net/lists/dmaengine/msg08719.html

I hope you will find the way he wants for this maxburst to be added.

-- 
Ken ar c'hentañ	|	      ** Breizh ha Linux atav! **
Jef		|		http://moinejf.free.fr/