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author | Arik Nemtsov | 2013-10-02 15:58:09 +0200 |
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committer | Emmanuel Grumbach | 2014-02-03 21:23:39 +0100 |
commit | 98ee7783062335984f5979cea6a08e79982a4061 (patch) | |
tree | eff12a357e6afc9b3d14960038942ea747069ddc /drivers/net/wireless/iwlwifi/mvm/power.c | |
parent | iwlwifi: add enter/exit D0i3 ops (diff) | |
download | kernel-qcow2-linux-98ee7783062335984f5979cea6a08e79982a4061.tar.gz kernel-qcow2-linux-98ee7783062335984f5979cea6a08e79982a4061.tar.xz kernel-qcow2-linux-98ee7783062335984f5979cea6a08e79982a4061.zip |
iwlwifi: add very first D0i3 support
When the bus is in D0i3, we can't send regular commands to
the firmware. This means that we need to add a state to
remember what is our d0i3 state and make sure that only
d0i3 exit commands can be sent.
Add flags to CMD_ flags and transport status for this
purpose.
Commands with CMD_HIGH_PRIO set are queued at the head of
the command queue, behind other high priority commands.
Commands with CMD_SEND_IN_IDLE set can be sent while the
transport is idle (without taking rpm reference).
Commands with CMD_MAKE_TRANS_IDLE set indicate that command
completion should mark the transport as idle (and release
the bus).
Commands with CMD_WAKE_UP_TRANS set instruct the transport
to exit from idle when this command is completed.
The transport is marked as idle (STATUS_TRANS_IDLE) when
the FW enters D0i3 state. This bit is cleared when it
enters D0 state again.
Process only commands with CMD_SEND_IN_IDLE flag while the
transport is idle. Other enqueued commands will be
processed only later, right after exiting D0i3.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/power.c')
0 files changed, 0 insertions, 0 deletions