Re: [RFC 02/19] dmaengine: pch_dma: Replace PCI pool old API

From: Peter Senna Tschudin
Date: Wed Feb 08 2017 - 13:55:40 EST


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@xxxxxxxxxxxxx>
Tested-by: Peter Senna Tschudin <peter.senna@xxxxxxxxxxxxx>
> Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxx>
> ---
> 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
>