diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2014-03-18 22:51:59 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-03 19:20:24 -0400 |
| commit | 964a2331e9a207fc15ef9eef833212347498bea1 (patch) | |
| tree | 1c444ed7f440d280c84140ec7e142c7713bb7896 /drivers/misc/mei/hw-txe.h | |
| parent | ee7e5afd2c369b64ffcf419d38ce7ad1c709a53e (diff) | |
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/hw-txe.h')
| -rw-r--r-- | drivers/misc/mei/hw-txe.h | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/misc/mei/hw-txe.h b/drivers/misc/mei/hw-txe.h index 0812d98633a4..799f9f25f424 100644 --- a/drivers/misc/mei/hw-txe.h +++ b/drivers/misc/mei/hw-txe.h @@ -35,12 +35,11 @@ /** * struct mei_txe_hw - txe hardware specifics * - * @mem_addr: SeC and BRIDGE bars - * @aliveness: aliveness (power gating) state of the hardware - * @readiness: readiness state of the hardware - * @wait_aliveness: aliveness wait queue - * @recvd_aliveness: aliveness interrupt was recived - * @intr_cause: translated interrupt cause + * @mem_addr: SeC and BRIDGE bars + * @aliveness: aliveness (power gating) state of the hardware + * @readiness: readiness state of the hardware + * @wait_aliveness_resp: aliveness wait queue + * @intr_cause: translated interrupt cause */ struct mei_txe_hw { void __iomem *mem_addr[NUM_OF_MEM_BARS]; @@ -48,8 +47,7 @@ struct mei_txe_hw { u32 readiness; u32 slots; - wait_queue_head_t wait_aliveness; - bool recvd_aliveness; + wait_queue_head_t wait_aliveness_resp; unsigned long intr_cause; }; |