diff options
Diffstat (limited to 'drivers/pci/devres.c')
-rw-r--r-- | drivers/pci/devres.c | 67 |
1 files changed, 8 insertions, 59 deletions
diff --git a/drivers/pci/devres.c b/drivers/pci/devres.c index b133967faef8..3b59a86a764b 100644 --- a/drivers/pci/devres.c +++ b/drivers/pci/devres.c @@ -773,7 +773,7 @@ EXPORT_SYMBOL(pcim_iomap_region); * Unmap a BAR and release its region manually. Only pass BARs that were * previously mapped by pcim_iomap_region(). */ -static void pcim_iounmap_region(struct pci_dev *pdev, int bar) +void pcim_iounmap_region(struct pci_dev *pdev, int bar) { struct pcim_addr_devres res_searched; @@ -784,6 +784,7 @@ static void pcim_iounmap_region(struct pci_dev *pdev, int bar) devres_release(&pdev->dev, pcim_addr_resource_release, pcim_addr_resources_match, &res_searched); } +EXPORT_SYMBOL(pcim_iounmap_region); /** * pcim_iomap_regions - Request and iomap PCI BARs (DEPRECATED) @@ -939,7 +940,7 @@ static void pcim_release_all_regions(struct pci_dev *pdev) * desired, release individual regions with pcim_release_region() or all of * them at once with pcim_release_all_regions(). */ -static int pcim_request_all_regions(struct pci_dev *pdev, const char *name) +int pcim_request_all_regions(struct pci_dev *pdev, const char *name) { int ret; int bar; @@ -957,69 +958,17 @@ err: return ret; } +EXPORT_SYMBOL(pcim_request_all_regions); /** - * pcim_iomap_regions_request_all - Request all BARs and iomap specified ones - * (DEPRECATED) - * @pdev: PCI device to map IO resources for - * @mask: Mask of BARs to iomap - * @name: Name associated with the requests - * - * Returns: 0 on success, negative error code on failure. - * - * Request all PCI BARs and iomap regions specified by @mask. - * - * To release these resources manually, call pcim_release_region() for the - * regions and pcim_iounmap() for the mappings. - * - * This function is DEPRECATED. Don't use it in new code. Instead, use one - * of the pcim_* region request functions in combination with a pcim_* - * mapping function. - */ -int pcim_iomap_regions_request_all(struct pci_dev *pdev, int mask, - const char *name) -{ - int bar; - int ret; - void __iomem **legacy_iomap_table; - - ret = pcim_request_all_regions(pdev, name); - if (ret != 0) - return ret; - - for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) { - if (!mask_contains_bar(mask, bar)) - continue; - if (!pcim_iomap(pdev, bar, 0)) - goto err; - } - - return 0; - -err: - /* - * If bar is larger than 0, then pcim_iomap() above has most likely - * failed because of -EINVAL. If it is equal 0, most likely the table - * couldn't be created, indicating -ENOMEM. - */ - ret = bar > 0 ? -EINVAL : -ENOMEM; - legacy_iomap_table = (void __iomem **)pcim_iomap_table(pdev); - - while (--bar >= 0) - pcim_iounmap(pdev, legacy_iomap_table[bar]); - - pcim_release_all_regions(pdev); - - return ret; -} -EXPORT_SYMBOL(pcim_iomap_regions_request_all); - -/** - * pcim_iounmap_regions - Unmap and release PCI BARs + * pcim_iounmap_regions - Unmap and release PCI BARs (DEPRECATED) * @pdev: PCI device to map IO resources for * @mask: Mask of BARs to unmap and release * * Unmap and release regions specified by @mask. + * + * This function is DEPRECATED. Do not use it in new code. + * Use pcim_iounmap_region() instead. */ void pcim_iounmap_regions(struct pci_dev *pdev, int mask) { |