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authorJayachandran C <jchandra@broadcom.com>2016-05-12 00:34:46 +0200
committerBjorn Helgaas <bhelgaas@google.com>2016-05-12 14:07:42 +0200
commit1958e7173df14ff50d75ed2fbd24b349d25caf80 (patch)
tree2b830d1f76afce4257a7a698b4145a94d7b1fb87 /drivers/pci/host/Kconfig
parentPCI: Provide common functions for ECAM mapping (diff)
downloadlinux-1958e7173df14ff50d75ed2fbd24b349d25caf80.tar.xz
linux-1958e7173df14ff50d75ed2fbd24b349d25caf80.zip
PCI: generic, thunder: Use generic ECAM API
Use functions provided by drivers/pci/ecam.h for mapping the config space in drivers/pci/host/pci-host-common.c, and update its users to use 'struct pci_config_window' and 'struct pci_ecam_ops'. The changes are mostly to use 'struct pci_config_window' in place of 'struct gen_pci'. Some of the fields of gen_pci were only used temporarily and can be eliminated by using local variables or function arguments, these are not carried over to struct pci_config_window. pci-thunder-ecam.c and pci-thunder-pem.c are the only users of the pci_host_common_probe function and the gen_pci structure; these have been updated to use the new API as well. The patch does not introduce any functional changes other than a very minor one: with the new code, on 64-bit platforms, we do just a single ioremap for the whole config space. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/host/Kconfig')
-rw-r--r--drivers/pci/host/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
index 7a0780d56d2d..963300dffcba 100644
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig
@@ -77,6 +77,7 @@ config PCI_RCAR_GEN2_PCIE
config PCI_HOST_COMMON
bool
+ select PCI_ECAM
config PCI_HOST_GENERIC
bool "Generic PCI host controller"