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path: root/drivers/pci/devres.c
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Diffstat (limited to 'drivers/pci/devres.c')
-rw-r--r--drivers/pci/devres.c67
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)
{