iwlwifi: split POWER_PMI status bit

Move the POWER_PMI to the op_mode where it is changed.  The trans needs
to check it frequently, so shadow the status in the trans and update it
in trans when it infrequently changes.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 958d9d0..7bc7a82 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -403,12 +403,12 @@
 	}
 
 	if (cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK)
-		set_bit(STATUS_POWER_PMI, &priv->shrd->status);
+		iwl_dvm_set_pmi(priv, true);
 
 	ret = iwl_set_power(priv, cmd);
 	if (!ret) {
 		if (!(cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK))
-			clear_bit(STATUS_POWER_PMI, &priv->shrd->status);
+			iwl_dvm_set_pmi(priv, false);
 
 		if (update_chains)
 			iwl_update_chain_flags(priv);