netdev - RE: [PATCH net-next v2 5/6] dpaa

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Date:   Wed, 23 Oct 2019 06:24:09 +0000
From:   Madalin-cristian Bucur <madalin.bucur@....com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Roy Pledge <roy.pledge@....com>,
        Laurentiu Tudor <laurentiu.tudor@....com>
Subject: RE: [PATCH net-next v2 5/6] dpaa_eth: change DMA device

> -----Original Message-----
> From: Jakub Kicinski <jakub.kicinski@...ronome.com>
> Sent: Wednesday, October 23, 2019 12:15 AM
> To: Madalin-cristian Bucur <madalin.bucur@....com>
> Cc: davem@...emloft.net; netdev@...r.kernel.org; Roy Pledge
> <roy.pledge@....com>; Laurentiu Tudor <laurentiu.tudor@....com>
> Subject: Re: [PATCH net-next v2 5/6] dpaa_eth: change DMA device
> 
> On Tue, 22 Oct 2019 14:15:00 +0300, Madalin Bucur wrote:
> > diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> > index 8d5686d88d30..639cafaa59b8 100644
> > --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> > +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> > @@ -1335,15 +1335,15 @@ static void dpaa_fd_release(const struct
> net_device *net_dev,
> >  		vaddr = phys_to_virt(qm_fd_addr(fd));
> >  		sgt = vaddr + qm_fd_get_offset(fd);
> >
> > -		dma_unmap_single(dpaa_bp->dev, qm_fd_addr(fd), dpaa_bp->size,
> > -				 DMA_FROM_DEVICE);
> > +		dma_unmap_single(dpaa_bp->priv->rx_dma_dev, qm_fd_addr(fd),
> > +				 dpaa_bp->size, DMA_FROM_DEVICE);
> >
> >  		dpaa_release_sgt_members(sgt);
> >
> > -		addr = dma_map_single(dpaa_bp->dev, vaddr, dpaa_bp->size,
> > -				      DMA_FROM_DEVICE);
> > -		if (dma_mapping_error(dpaa_bp->dev, addr)) {
> > -			dev_err(dpaa_bp->dev, "DMA mapping failed");
> > +		addr = dma_map_single(dpaa_bp->priv->rx_dma_dev, vaddr,
> > +				      dpaa_bp->size, DMA_FROM_DEVICE);
> > +		if (dma_mapping_error(dpaa_bp->priv->rx_dma_dev, addr)) {
> > +			netdev_err(net_dev, "DMA mapping failed");
> 
> You seem to be missing new line chars at the end of the "DMA mapping
> failed" messages :( Could you please fix all of them and repost?
> 
> >  			return;
> >  		}
> >  		bm_buffer_set64(&bmb, addr);

Sure