linux-kernel - Re: [RFC 02/19] dmaengine: pch

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Message-ID: <20170208182137.GB16878@collabora.com>
Date:   Wed, 8 Feb 2017 19:21:37 +0100
From:   Peter Senna Tschudin <peter.senna@...labora.com>
To:     Romain Perier <romain.perier@...labora.com>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Doug Ledford <dledford@...hat.com>,
        Sean Hefty <sean.hefty@...el.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>,
        jeffrey.t.kirsher@...el.com,
        "David S. Miller" <davem@...emloft.net>, stas.yakovlev@...il.com,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Peter Senna Tschudin <peter.senna@...labora.co.uk>
Subject: Re: [RFC 02/19] dmaengine: pch_dma: Replace PCI pool old API

On Wed, Feb 08, 2017 at 05:34:40PM +0100, Romain Perier wrote:
> The PCI pool API is deprecated. This commits replaces the PCI pool old
> API by the appropriated function with the DMA pool API.
> 

Tested by compilation only.

Acked-by: Peter Senna Tschudin <peter.senna@...labora.com>
Tested-by: Peter Senna Tschudin <peter.senna@...labora.com>
> Signed-off-by: Romain Perier <romain.perier@...labora.com>
> ---
>  drivers/dma/pch_dma.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
> index f9028e9..afd8f27 100644
> --- a/drivers/dma/pch_dma.c
> +++ b/drivers/dma/pch_dma.c
> @@ -123,7 +123,7 @@ struct pch_dma_chan {
>  struct pch_dma {
>  	struct dma_device	dma;
>  	void __iomem *membase;
> -	struct pci_pool		*pool;
> +	struct dma_pool		*pool;
>  	struct pch_dma_regs	regs;
>  	struct pch_dma_desc_regs ch_regs[MAX_CHAN_NR];
>  	struct pch_dma_chan	channels[MAX_CHAN_NR];
> @@ -437,7 +437,7 @@ static struct pch_dma_desc *pdc_alloc_desc(struct dma_chan *chan, gfp_t flags)
>  	struct pch_dma *pd = to_pd(chan->device);
>  	dma_addr_t addr;
>  
> -	desc = pci_pool_zalloc(pd->pool, flags, &addr);
> +	desc = dma_pool_zalloc(pd->pool, flags, &addr);
>  	if (desc) {
>  		INIT_LIST_HEAD(&desc->tx_list);
>  		dma_async_tx_descriptor_init(&desc->txd, chan);
> @@ -549,7 +549,7 @@ static void pd_free_chan_resources(struct dma_chan *chan)
>  	spin_unlock_irq(&pd_chan->lock);
>  
>  	list_for_each_entry_safe(desc, _d, &tmp_list, desc_node)
> -		pci_pool_free(pd->pool, desc, desc->txd.phys);
> +		dma_pool_free(pd->pool, desc, desc->txd.phys);
>  
>  	pdc_enable_irq(chan, 0);
>  }
> @@ -880,7 +880,7 @@ static int pch_dma_probe(struct pci_dev *pdev,
>  		goto err_iounmap;
>  	}
>  
> -	pd->pool = pci_pool_create("pch_dma_desc_pool", pdev,
> +	pd->pool = dma_pool_create("pch_dma_desc_pool", &pdev->dev,
>  				   sizeof(struct pch_dma_desc), 4, 0);
>  	if (!pd->pool) {
>  		dev_err(&pdev->dev, "Failed to alloc DMA descriptors\n");
> @@ -931,7 +931,7 @@ static int pch_dma_probe(struct pci_dev *pdev,
>  	return 0;
>  
>  err_free_pool:
> -	pci_pool_destroy(pd->pool);
> +	dma_pool_destroy(pd->pool);
>  err_free_irq:
>  	free_irq(pdev->irq, pd);
>  err_iounmap:
> @@ -963,7 +963,7 @@ static void pch_dma_remove(struct pci_dev *pdev)
>  			tasklet_kill(&pd_chan->tasklet);
>  		}
>  
> -		pci_pool_destroy(pd->pool);
> +		dma_pool_destroy(pd->pool);
>  		pci_iounmap(pdev, pd->membase);
>  		pci_release_regions(pdev);
>  		pci_disable_device(pdev);
> -- 
> 2.9.3
>