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PCI: Add devm_pci_alloc_host_bridge() interface

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Struct pci_host_bridge can be allocated by PCI host bridge drivers which
usually allocate and map memory through devm managed interfaces.

Add a devm version for the pci_alloc_host_bridge() interface to simplify
PCI host controller driver porting and simplify the driver failure paths.

Signed-off-by: Lorenzo Pieralisi <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: Arnd Bergmann <[email protected]>
This commit is contained in:
Lorenzo Pieralisi 2017-06-28 15:13:53 -05:00 • committed by Bjorn Helgaas
commit 5c3f18cce0
3 changed files with 25 additions and 2 deletions
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1
Documentation/driver-model/devres.txt
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@ -342,6 +342,7 @@ PER-CPU MEM
devm_free_percpu()
PCI
devm_pci_alloc_host_bridge() : managed PCI host bridge allocation
devm_pci_remap_cfgspace() : ioremap PCI configuration space
devm_pci_remap_cfg_resource() : ioremap PCI configuration space resource
pcim_enable_device() : after success, all PCI ops become managed