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diff --git a/Documentation/ABI/testing/sysfs-class-chromeos-driver-cros-ec-vbc b/Documentation/ABI/testing/sysfs-class-chromeos-driver-cros-ec-vbc
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+What: /sys/class/chromeos/<ec-device-name>/vbc/vboot_context
+Date: October 2015
+KernelVersion: 4.4
+Description:
+ Read/write the verified boot context data included on a
+ small nvram space on some EC implementations.