On Tue, Nov 08, 2016 at 02:52:08AM +0530, Nadim Almas wrote:
> pci_map_single is unneeded and can be replaced with dma_map_single
> to avoid inconcitent api usage.
> The Coccinelle semantic patch used to make this change is as follows:
> @@ expression E1,E2,E3; @@
> - pci_map_single(E1,
> + dma_map_single(&E1->dev,
>      E2, E3,
> (
> - PCI_DMA_BIDIRECTIONAL
> + DMA_BIDIRCTIONAL
> |
> - PCI_DMA_TODEVICE
> + DMA_TO_DEVICE
> |
> - PCI_DMA_FROMDEVICE
> + DMA_FROM_DEVICE
> |
> - PCI_DMA_NONE
> + DMA_NONE_DEVICE
> )
>   )
> Signed-off-by: Nadim Almas <nadim....@gmail.com>
> ---
>  drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 10 ++++++----
>  drivers/staging/rtl8192e/rtl8192e/rtl_core.c   | 12 ++++++------
>  drivers/staging/slicoss/slicoss.c              | 12 ++++++------
>  3 files changed, 18 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c 
> b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
> index 8d6bca6..a3c8c3a 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
> @@ -1184,8 +1184,9 @@ void  rtl92e_fill_tx_desc(struct net_device *dev, 
> struct tx_desc *pdesc,
>                         struct cb_desc *cb_desc, struct sk_buff *skb)
>  {
>       struct r8192_priv *priv = rtllib_priv(dev);
> -     dma_addr_t mapping = pci_map_single(priv->pdev, skb->data, skb->len,
> -                      PCI_DMA_TODEVICE);
> +     dma_addr_t mapping = dma_map_single(&priv->pdev->dev, skb->data,
> +                                         skb->len,
> +                                         DMA_TO_DEVICE);
>       struct tx_fwinfo_8190pci *pTxFwInfo;
>  
>       pTxFwInfo = (struct tx_fwinfo_8190pci *)skb->data;
> @@ -1292,8 +1293,9 @@ void  rtl92e_fill_tx_cmd_desc(struct net_device *dev, 
> struct tx_desc_cmd *entry,
>                             struct cb_desc *cb_desc, struct sk_buff *skb)
>  {
>       struct r8192_priv *priv = rtllib_priv(dev);
> -     dma_addr_t mapping = pci_map_single(priv->pdev, skb->data, skb->len,
> -                      PCI_DMA_TODEVICE);
> +     dma_addr_t mapping = dma_map_single(&priv->pdev->dev, skb->data,
> +                                         skb->len,
> +                                         DMA_TO_DEVICE);
>  
>       if (pci_dma_mapping_error(priv->pdev, mapping))
>               netdev_err(dev, "%s(): DMA Mapping error\n", __func__);
> diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c 
> b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
> index f985d88..ddd6523 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
> @@ -1826,10 +1826,10 @@ static short _rtl92e_alloc_rx_ring(struct net_device 
> *dev)
>                       skb->dev = dev;
>                       priv->rx_buf[rx_queue_idx][i] = skb;
>                       mapping = (dma_addr_t *)skb->cb;
> -                     *mapping = pci_map_single(priv->pdev,
> +                     *mapping = dma_map_single(&priv->pdev->dev,
>                                               skb_tail_pointer_rsl(skb),
>                                                       priv->rxbuffersize,
> -                                               PCI_DMA_FROMDEVICE);
> +                                               DMA_FROM_DEVICE);
>                       if (pci_dma_mapping_error(priv->pdev, *mapping)) {
>                               dev_kfree_skb_any(skb);
>                               return -1;
> @@ -2104,10 +2104,10 @@ static void _rtl92e_rx_normal(struct net_device *dev)
>  
>               priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] =
>                                                                skb;
> -             *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev,
> -                                         skb_tail_pointer_rsl(skb),
> -                                         priv->rxbuffersize,
> -                                         PCI_DMA_FROMDEVICE);
> +             *((dma_addr_t *) skb->cb) = dma_map_single(&priv->pdev->dev,
> +                                             skb_tail_pointer_rsl(skb),
> +                                                        priv->rxbuffersize,
> +                                                        DMA_FROM_DEVICE);
>               if (pci_dma_mapping_error(priv->pdev,
>                                         *((dma_addr_t *)skb->cb))) {
>                       dev_kfree_skb_any(skb);
> diff --git a/drivers/staging/slicoss/slicoss.c 
> b/drivers/staging/slicoss/slicoss.c
> index 062307a..2d76bfd 100644
> --- a/drivers/staging/slicoss/slicoss.c
> +++ b/drivers/staging/slicoss/slicoss.c
> @@ -1452,10 +1452,10 @@ static int slic_rcvqueue_fill(struct adapter *adapter)
>               skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC);
>               if (skb) {
>                       paddr = (void *)(unsigned long)
> -                             pci_map_single(adapter->pcidev,
> +                             dma_map_single(&adapter->pcidev->dev,
>                                                               skb->data,
>                                              SLIC_RCVQ_RCVBUFSIZE,
> -                                            PCI_DMA_FROMDEVICE);
> +                                            DMA_FROM_DEVICE);
>                       paddrl = SLIC_GET_ADDR_LOW(paddr);
>                       paddrh = SLIC_GET_ADDR_HIGH(paddr);
>  
> @@ -1608,8 +1608,8 @@ static u32 slic_rcvqueue_reinsert(struct adapter 
> *adapter, struct sk_buff *skb)
>       struct device *dev;
>  
>       paddr = (void *)(unsigned long)
> -             pci_map_single(adapter->pcidev, skb->head,
> -                            SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE);
> +             dma_map_single(&adapter->pcidev->dev, skb->head,
> +                            SLIC_RCVQ_RCVBUFSIZE, DMA_FROM_DEVICE);
>       rcvbuf->status = 0;
>       skb->next = NULL;
>  
> @@ -1774,8 +1774,8 @@ static void slic_xmit_build_request(struct adapter 
> *adapter,
>       ihcmd->flags = adapter->port << IHFLG_IFSHFT;
>       ihcmd->command = IHCMD_XMT_REQ;
>       ihcmd->u.slic_buffers.totlen = skb->len;
> -     phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len,
> -                     PCI_DMA_TODEVICE);
> +     phys_addr = dma_map_single(&adapter->pcidev->dev, skb->data, skb->len,
> +                                DMA_TO_DEVICE);
>       if (pci_dma_mapping_error(adapter->pcidev, phys_addr)) {
>               kfree_skb(skb);
>               dev_err(&adapter->pcidev->dev, "DMA mapping error\n");

This patch does not apply to my staging-testing branch :(

Please fix up and resend, preferably one patch per driver.

thanks,

greg k-h
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