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authorJayachandran C <jchandra@broadcom.com>2016-05-10 17:19:51 +0200
committerBjorn Helgaas <bhelgaas@google.com>2016-05-11 17:34:41 -0500
commit35ff9477d880986441981010585399c1d7201fee (patch)
tree291df3267a5b4d5562f512aac437a5015ade8a43 /.mailmap
parent9735a22799b9214d17d3c231fe377fc852f042e9 (diff)
PCI: Provide common functions for ECAM mapping
Add config option PCI_ECAM and file drivers/pci/ecam.c to provide generic functions for accessing memory-mapped PCI config space. The API is defined in drivers/pci/ecam.h and is written to replace the API in drivers/pci/host/pci-host-common.h. The file defines a new 'struct pci_config_window' to hold the information related to a PCI config area and its mapping. This structure is expected to be used as sysdata for controllers that have ECAM based mapping. Helper functions are provided to setup the mapping, free the mapping and to implement the map_bus method in 'struct pci_ops' Signed-off-by: Jayachandran C <jchandra@broadcom.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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