From: Greg KH <gregkh@linuxfoundation.org>
To: Nadim Almas <nadim.902@gmail.com>
Cc: bhumirks@gmail.com, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Staging: used dma_map_single in place of pci_map_single
Date: Thu, 10 Nov 2016 13:55:35 +0100 [thread overview]
Message-ID: <20161110125535.GA23437@kroah.com> (raw)
In-Reply-To: <20161107212208.GA5673@gmail.com>
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.902@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
prev parent reply other threads:[~2016-11-10 12:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-07 21:22 [PATCH] Staging: used dma_map_single in place of pci_map_single Nadim Almas
2016-11-10 12:55 ` Greg KH [this message]
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