-static int mthca_request_regions(struct pci_dev *pdev, int ddr_hidden)
-{
- int err;
-
- /*
- * We can't just use pci_request_regions() because the MSI-X
- * table is right in the middle of the first BAR. If we did
- * pci_request_region and grab all of the first BAR, then
- * setting up MSI-X would fail, since the PCI core wants to do
- * request_mem_region on the MSI-X vector table.
- *
- * So just request what we need right now, and request any
- * other regions we need when setting up EQs.
- */
- if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE, DRV_NAME))
- return -EBUSY;
-
- err = pci_request_region(pdev, 2, DRV_NAME);
- if (err)
- goto err_bar2_failed;
-
- if (!ddr_hidden) {
- err = pci_request_region(pdev, 4, DRV_NAME);
- if (err)
- goto err_bar4_failed;
- }
-
- return 0;
-
-err_bar4_failed:
- pci_release_region(pdev, 2);
-
-err_bar2_failed:
- release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE);
-
- return err;
-}
-
-static void mthca_release_regions(struct pci_dev *pdev,
- int ddr_hidden)
-{
- if (!ddr_hidden)
- pci_release_region(pdev, 4);
-
- pci_release_region(pdev, 2);
-
- release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE);
-}
-