PCI: Deprecate pcim_iounmap_regions()

pcim_ioumap_region() has recently been made a public function and does
not have the disadvantage of having to deal with the legacy iomap table,
as pcim_iounmap_regions() does.

Deprecate pcim_iounmap_regions().

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Philipp Stanner <[e-mail]>
Signed-off-by: Bjorn Helgaas <[e-mail]>

drivers/pci/devres.c

···
 EXPORT_SYMBOL(pcim_request_all_regions);
 
 /**
- * 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)
 {