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-rw-r--r--Documentation/ABI/testing/sysfs-bus-pci-drivers-xhci_hcd10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci-drivers-xhci_hcd b/Documentation/ABI/testing/sysfs-bus-pci-drivers-xhci_hcd
index 5a775b8f6543..fc82aa4e54b0 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci-drivers-xhci_hcd
+++ b/Documentation/ABI/testing/sysfs-bus-pci-drivers-xhci_hcd
@@ -75,3 +75,13 @@ Description:
The default value is 1 (GNU Remote Debug command).
Other permissible value is 0 which is for vendor defined debug
target.
+
+What: /sys/bus/pci/drivers/xhci_hcd/.../dbc_poll_interval_ms
+Date: February 2024
+Contact: Mathias Nyman <mathias.nyman@linux.intel.com>
+Description:
+ This attribute adjust the polling interval used to check for
+ DbC events. Unit is milliseconds. Accepted values range from 0
+ up to 5000. The default value is 64 ms.
+ This polling interval is used while DbC is enabled but has no
+ active data transfers.