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-rw-r--r--Documentation/PCI/endpoint/pci-endpoint-cfs.rst10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/PCI/endpoint/pci-endpoint-cfs.rst b/Documentation/PCI/endpoint/pci-endpoint-cfs.rst
index 1bbd81ed06c8..696f8eeb4738 100644
--- a/Documentation/PCI/endpoint/pci-endpoint-cfs.rst
+++ b/Documentation/PCI/endpoint/pci-endpoint-cfs.rst
@@ -68,6 +68,16 @@ created)
... subsys_vendor_id
... subsys_id
... interrupt_pin
+ ... primary/
+ ... <Symlink EPC Device1>/
+ ... secondary/
+ ... <Symlink EPC Device2>/
+
+If an EPF device has to be associated with 2 EPCs (like in the case of
+Non-transparent bridge), symlink of endpoint controller connected to primary
+interface should be added in 'primary' directory and symlink of endpoint
+controller connected to secondary interface should be added in 'secondary'
+directory.
EPC Device
==========