Signed-off-by: Vitor Massaru Iha <vitor@xxxxxxxxxxx> --- Documentation/filesystems/sysfs-pci.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/filesystems/sysfs-pci.rst b/Documentation/filesystems/sysfs-pci.rst index 9b93e7444b15..e4df647ec9db 100644 --- a/Documentation/filesystems/sysfs-pci.rst +++ b/Documentation/filesystems/sysfs-pci.rst @@ -71,11 +71,11 @@ don't support mmapping of certain resources, so be sure to check the return value from any attempted mmap. The most notable of these are I/O port resources, which also provide read/write access. -The 'enable' file provides a counter that indicates how many times the device +The 'enable' file provides a counter that indicates how many times the device has been enabled. If the 'enable' file currently returns '4', and a '1' is echoed into it, it will then return '5'. Echoing a '0' into it will decrease the count. Even when it returns to 0, though, some of the initialisation -may not be reversed. +may not be reversed. The 'rom' file is special in that it provides read-only access to the device's ROM file, if available. It's disabled by default, however, so applications -- 2.21.1