diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2014-03-19 00:51:59 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-04 03:20:24 +0400 |
| commit | 964a2331e9a207fc15ef9eef833212347498bea1 (patch) | |
| tree | 1c444ed7f440d280c84140ec7e142c7713bb7896 /drivers/misc/mei/init.c | |
| parent | ee7e5afd2c369b64ffcf419d38ce7ad1c709a53e (diff) | |
| download | linux-964a2331e9a207fc15ef9eef833212347498bea1.tar.xz | |
mei: expose hardware power gating state to mei layer
Since the runtime pm and the internal power gating
cannot be in complete sync in regards to I/O
operations, we need to expose the device
hardware internal power gating state to mei layer
2. We add pg_state handler that translate the hw
internal pg state to mei layer
2. We add power gating event variable to keep
power track of power gating transitions
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Reviewed-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/init.c')
| -rw-r--r-- | drivers/misc/mei/init.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index cc604e1d9457..4b1eb37344cb 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -341,6 +341,8 @@ void mei_device_init(struct mei_device *dev) * 0: Reserved for MEI Bus Message communications */ bitmap_set(dev->host_clients_map, 0, 1); + + dev->pg_event = MEI_PG_EVENT_IDLE; } EXPORT_SYMBOL_GPL(mei_device_init); |