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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> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.