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| author | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2017-04-19 19:48:55 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-04-24 21:53:13 +0300 |
| commit | 490cb6ddb17df5ef5f5eb33c9a34f3033b31c204 (patch) | |
| tree | 7c3b684679bae3d890199b330bb18b3c744b7497 /Documentation/driver-model | |
| parent | 6524754eff305760d0b31dac468e78057a56f47e (diff) | |
| download | linux-490cb6ddb17df5ef5f5eb33c9a34f3033b31c204.tar.xz | |
PCI: Implement devm_pci_remap_cfgspace()
The introduction of the pci_remap_cfgspace() interface allows PCI host
controller drivers to map PCI config space through a dedicated kernel
interface. Current PCI host controller drivers use the devm_ioremap_*()
devres interfaces to map PCI configuration space regions so in order to
update them to the new pci_remap_cfgspace() mapping interface a new set of
devres interfaces should be implemented so that PCI host controller drivers
can make use of them.
Introduce two new functions in the PCI kernel layer and Devres
documentation:
- devm_pci_remap_cfgspace()
- devm_pci_remap_cfg_resource()
so that PCI host controller drivers can make use of them to map PCI
configuration space regions.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/driver-model')
| -rw-r--r-- | Documentation/driver-model/devres.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt index bf34d5b3a733..e72587fe477d 100644 --- a/Documentation/driver-model/devres.txt +++ b/Documentation/driver-model/devres.txt @@ -342,8 +342,10 @@ PER-CPU MEM devm_free_percpu() PCI - pcim_enable_device() : after success, all PCI ops become managed - pcim_pin_device() : keep PCI device enabled after release + 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 + pcim_pin_device() : keep PCI device enabled after release PHY devm_usb_get_phy() |