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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-01-17 08:18:08 +1300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-01-17 08:18:08 +1300 |
| commit | 7ad4b4ae5757b89637f5767ae5d9e1436a6413e0 (patch) | |
| tree | 7a025400de12c813b395efcba459ac4088679ec5 /Documentation | |
| parent | 62b1530065e9ced536ada063a4d0a748efa43cc8 (diff) | |
| parent | 7b7c54914f73966976893747ee8e2ca58166a627 (diff) | |
Merge tag 'char-misc-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are three small driver fixes for reported issues for 3.19-rc5.
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
mcb: mcb-pci: Only remap the 1st 0x200 bytes of BAR 0
mei: add ABI documentation for fw_status exported through sysfs
mei: clean reset bit before reset
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-mei | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-mei b/Documentation/ABI/testing/sysfs-class-mei index 0ec8b8178c41..80d9888a8ece 100644 --- a/Documentation/ABI/testing/sysfs-class-mei +++ b/Documentation/ABI/testing/sysfs-class-mei @@ -14,3 +14,18 @@ Description: The /sys/class/mei/meiN directory is created for each probed mei device +What: /sys/class/mei/meiN/fw_status +Date: Nov 2014 +KernelVersion: 3.19 +Contact: Tomas Winkler <tomas.winkler@intel.com> +Description: Display fw status registers content + + The ME FW writes its status information into fw status + registers for BIOS and OS to monitor fw health. + + The register contains running state, power management + state, error codes, and others. The way the registers + are decoded depends on PCH or SoC generation. + Also number of registers varies between 1 and 6 + depending on generation. + |