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authorEliad Peller <eliad@wizery.com>2015-06-04 21:59:32 +0300
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2015-08-04 10:11:47 +0300
commitc43fe907fec2c1925d423777ba14e0baf30c672c (patch)
tree6796a5875fddaa5d450b9393416aea920db57fb8
parent2d42801bd62eb2018da914272fd505a6d32004a8 (diff)
downloadlinux-c43fe907fec2c1925d423777ba14e0baf30c672c.tar.xz
iwlwifi: return error if d0i3 was aborted
Allow the transport layer to return an error upon suspend. Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Reviewed-by: Luciano Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans.h10
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/d3.c8
2 files changed, 12 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 8f67004faf4d..e698ed5e34cc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -598,7 +598,7 @@ struct iwl_trans_ops {
u32 value);
void (*ref)(struct iwl_trans *trans);
void (*unref)(struct iwl_trans *trans);
- void (*suspend)(struct iwl_trans *trans);
+ int (*suspend)(struct iwl_trans *trans);
void (*resume)(struct iwl_trans *trans);
struct iwl_trans_dump_data *(*dump_data)(struct iwl_trans *trans);
@@ -807,10 +807,12 @@ static inline void iwl_trans_unref(struct iwl_trans *trans)
trans->ops->unref(trans);
}
-static inline void iwl_trans_suspend(struct iwl_trans *trans)
+static inline int iwl_trans_suspend(struct iwl_trans *trans)
{
- if (trans->ops->suspend)
- trans->ops->suspend(trans);
+ if (!trans->ops->suspend)
+ return 0;
+
+ return trans->ops->suspend(trans);
}
static inline void iwl_trans_resume(struct iwl_trans *trans)
diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c
index 246e60aa2905..68d721823645 100644
--- a/drivers/net/wireless/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/iwlwifi/mvm/d3.c
@@ -1168,13 +1168,17 @@ remove_notif:
int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ int ret;
+
+ ret = iwl_trans_suspend(mvm->trans);
+ if (ret)
+ return ret;
- iwl_trans_suspend(mvm->trans);
mvm->trans->wowlan_d0i3 = wowlan->any;
if (mvm->trans->wowlan_d0i3) {
/* 'any' trigger means d0i3 usage */
if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) {
- int ret = iwl_mvm_enter_d0i3_sync(mvm);
+ ret = iwl_mvm_enter_d0i3_sync(mvm);
if (ret)
return ret;