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These existing functions:
pci_request_region()
pci_request_selected_regions()
pci_request_selected_regions_exclusive()
are "hybrid" functions built on __pci_request_region() and are managed if
pcim_enable_device() has been called, but unmanaged otherwise.
Add these new functions:
pcim_request_region()
pcim_request_region_exclusive()
These are *always* managed and use the new pcim_addr_devres tracking
infrastructure instead of find_pci_dr() and struct pci_devres.region_mask.
Implement the hybrid functions using the new "pure" functions and remove
struct pci_devres.region_mask, which is no longer needed.
Link: https://lore.kernel.org/r/20240613115032.29098-6-pstanner@redhat.com
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
[bhelgaas: commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>