linux-kernel - Re: [PATCH] dma: tegra: add accurate reporting of dma state

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Date:   Wed, 1 May 2019 18:43:27 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Jon Hunter <jonathanh@...dia.com>
Cc:     Ben Dooks <ben.dooks@...ethink.co.uk>,
        linux-kernel@...ts.codethink.co.uk,
        Dmitry Osipenko <digetx@...il.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Thierry Reding <thierry.reding@...il.com>,
        dmaengine@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma: tegra: add accurate reporting of dma state

On 01-05-19, 09:33, Jon Hunter wrote:

> > @@ -1444,12 +1529,7 @@ static int tegra_dma_probe(struct platform_device *pdev)
> >  		BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) |
> >  		BIT(DMA_SLAVE_BUSWIDTH_8_BYTES);
> >  	tdma->dma_dev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
> > -	/*
> > -	 * XXX The hardware appears to support
> > -	 * DMA_RESIDUE_GRANULARITY_BURST-level reporting, but it's
> > -	 * only used by this driver during tegra_dma_terminate_all()
> > -	 */
> > -	tdma->dma_dev.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
> > +	tdma->dma_dev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
> >  	tdma->dma_dev.device_config = tegra_dma_slave_config;
> >  	tdma->dma_dev.device_terminate_all = tegra_dma_terminate_all;
> >  	tdma->dma_dev.device_tx_status = tegra_dma_tx_status;
> 
> In addition to Dmitry's comments, can you please make sure you run this
> through checkpatch.pl?

And use correct subsystem name !

-- 
~Vinod