summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/mvm/mac80211.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/mac80211.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac80211.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 3276b31..4f9f77f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -254,6 +254,26 @@ static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
spin_unlock_bh(&mvm->refs_lock);
}
+bool iwl_mvm_ref_taken(struct iwl_mvm *mvm)
+{
+ int i;
+ bool taken = false;
+
+ if (!iwl_mvm_is_d0i3_supported(mvm))
+ return true;
+
+ spin_lock_bh(&mvm->refs_lock);
+ for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
+ if (mvm->refs[i]) {
+ taken = true;
+ break;
+ }
+ }
+ spin_unlock_bh(&mvm->refs_lock);
+
+ return taken;
+}
+
int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
{
iwl_mvm_ref(mvm, ref_type);
OpenPOWER on IntegriCloud