diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2014-03-18 22:52:02 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-03 19:20:24 -0400 |
| commit | 180ea05bcedbd67bb22a426bb8d831075727e34a (patch) | |
| tree | 05e5918348bc422a5df912204b6f8c36f44c3e13 /drivers/misc/mei/hbm.c | |
| parent | a532bbedc85ff3b834ba81e49163a3f543be1775 (diff) | |
mei: me: add runtime pm framework
Add runtime pm framework for ME devices.
The runtime pm handlers are used to run
me power gating isolation protocol
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/hbm.c')
| -rw-r--r-- | drivers/misc/mei/hbm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index a725365e2150..b9a4bb5921f1 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -19,6 +19,7 @@ #include <linux/sched.h> #include <linux/wait.h> #include <linux/mei.h> +#include <linux/pm_runtime.h> #include "mei_dev.h" #include "hbm.h" @@ -742,6 +743,13 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) dev->pg_event = MEI_PG_EVENT_RECEIVED; if (waitqueue_active(&dev->wait_pg)) wake_up(&dev->wait_pg); + else + /* + * If the driver is not waiting on this then + * this is HW initiated exit from PG. + * Start runtime pm resume sequence to exit from PG. + */ + pm_request_resume(&dev->pdev->dev); break; case HOST_CLIENT_PROPERTIES_RES_CMD: |