summaryrefslogtreecommitdiff
path: root/drivers/char/xillybus/xillybus_pcie.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/xillybus/xillybus_pcie.c')
-rw-r--r--drivers/char/xillybus/xillybus_pcie.c99
1 files changed, 5 insertions, 94 deletions
diff --git a/drivers/char/xillybus/xillybus_pcie.c b/drivers/char/xillybus/xillybus_pcie.c
index bdf1c366b4fc..9858711e3e79 100644
--- a/drivers/char/xillybus/xillybus_pcie.c
+++ b/drivers/char/xillybus/xillybus_pcie.c
@@ -32,110 +32,21 @@ static const struct pci_device_id xillyids[] = {
{ /* End: all zeroes */ }
};
-static int xilly_pci_direction(int direction)
-{
- switch (direction) {
- case DMA_TO_DEVICE:
- return PCI_DMA_TODEVICE;
- case DMA_FROM_DEVICE:
- return PCI_DMA_FROMDEVICE;
- default:
- return PCI_DMA_BIDIRECTIONAL;
- }
-}
-
-static void xilly_dma_sync_single_for_cpu_pci(struct xilly_endpoint *ep,
- dma_addr_t dma_handle,
- size_t size,
- int direction)
-{
- pci_dma_sync_single_for_cpu(ep->pdev,
- dma_handle,
- size,
- xilly_pci_direction(direction));
-}
-
-static void xilly_dma_sync_single_for_device_pci(struct xilly_endpoint *ep,
- dma_addr_t dma_handle,
- size_t size,
- int direction)
-{
- pci_dma_sync_single_for_device(ep->pdev,
- dma_handle,
- size,
- xilly_pci_direction(direction));
-}
-
-static void xilly_pci_unmap(void *ptr)
-{
- struct xilly_mapping *data = ptr;
-
- pci_unmap_single(data->device, data->dma_addr,
- data->size, data->direction);
-
- kfree(ptr);
-}
-
-/*
- * Map either through the PCI DMA mapper or the non_PCI one. Behind the
- * scenes exactly the same functions are called with the same parameters,
- * but that can change.
- */
-
-static int xilly_map_single_pci(struct xilly_endpoint *ep,
- void *ptr,
- size_t size,
- int direction,
- dma_addr_t *ret_dma_handle
- )
-{
- int pci_direction;
- dma_addr_t addr;
- struct xilly_mapping *this;
-
- this = kzalloc(sizeof(*this), GFP_KERNEL);
- if (!this)
- return -ENOMEM;
-
- pci_direction = xilly_pci_direction(direction);
-
- addr = pci_map_single(ep->pdev, ptr, size, pci_direction);
-
- if (pci_dma_mapping_error(ep->pdev, addr)) {
- kfree(this);
- return -ENODEV;
- }
-
- this->device = ep->pdev;
- this->dma_addr = addr;
- this->size = size;
- this->direction = pci_direction;
-
- *ret_dma_handle = addr;
-
- return devm_add_action_or_reset(ep->dev, xilly_pci_unmap, this);
-}
-
-static struct xilly_endpoint_hardware pci_hw = {
- .owner = THIS_MODULE,
- .hw_sync_sgl_for_cpu = xilly_dma_sync_single_for_cpu_pci,
- .hw_sync_sgl_for_device = xilly_dma_sync_single_for_device_pci,
- .map_single = xilly_map_single_pci,
-};
-
static int xilly_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct xilly_endpoint *endpoint;
int rc;
- endpoint = xillybus_init_endpoint(pdev, &pdev->dev, &pci_hw);
+ endpoint = xillybus_init_endpoint(&pdev->dev);
if (!endpoint)
return -ENOMEM;
pci_set_drvdata(pdev, endpoint);
+ endpoint->owner = THIS_MODULE;
+
rc = pcim_enable_device(pdev);
if (rc) {
dev_err(endpoint->dev,
@@ -185,9 +96,9 @@ static int xilly_probe(struct pci_dev *pdev,
* So go for the 64-bit mask only when failing is the other option.
*/
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
+ if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
endpoint->dma_using_dac = 0;
- } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
+ } else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
endpoint->dma_using_dac = 1;
} else {
dev_err(endpoint->dev, "Failed to set DMA mask. Aborting.\n");