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| author | Tomas Winkler <tomas.winkler@intel.com> | 2014-03-18 21:52:05 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-04 01:20:25 +0200 |
| commit | e13fa90ce42d8e7ee501426ea414c8ae4a5366ef (patch) | |
| tree | 1ef2d46b91edaa0fc60fcb71619a07eefbdd35d9 /drivers/misc/mei/mei_dev.h | |
| parent | mei: use runtime pm in write and read flow (diff) | |
| download | linux-e13fa90ce42d8e7ee501426ea414c8ae4a5366ef.tar.xz linux-e13fa90ce42d8e7ee501426ea414c8ae4a5366ef.zip | |
mei: me: use runtime PG pm domain for non wakeable devices
For non wakeable devices we can't use pci runtime framework
as we are not able to wakeup from D3 states.
Instead we create new pg runtime domain that only drives ME power
gating protocol to reduce the power consumption.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index fe76e5b4cd2a..beff9ef319f8 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -419,6 +419,9 @@ struct mei_device { * Power Gating support */ enum mei_pg_event pg_event; +#ifdef CONFIG_PM_RUNTIME + struct dev_pm_domain pg_domain; +#endif /* CONFIG_PM_RUNTIME */ unsigned char rd_msg_buf[MEI_RD_MSG_BUF_SIZE]; /* control messages */ u32 rd_msg_hdr; |