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iwlwifi: mvm: protect D0i3 code behind CONFIG_PM 

Runtime PM can only be used if CONFIG_PM is set.  Move all the d0i3
code (which is essentially runtime PM) behind the CONFIG_PM flag.

This prevents undefined usage of some functions when CONFIG_PM is not
defined.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho 2018-08-21 07:24:18 +03:00
parent 11a0513cac
commit a75b9b333a
3 changed files with 20 additions and 2 deletions
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4
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -1124,7 +1124,9 @@ int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
* would do.
*/
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
#ifdef CONFIG_PM
iwl_mvm_d0i3_enable_tx(mvm, NULL);
#endif
}
return ret;
@ -1162,7 +1164,9 @@ static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
mutex_lock(&mvm->mutex);
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
#ifdef CONFIG_PM
iwl_mvm_d0i3_enable_tx(mvm, NULL);
#endif
ret = iwl_mvm_update_quotas(mvm, true, NULL);
if (ret)
IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",

3
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -1776,10 +1776,13 @@ void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
#ifdef CONFIG_PM
void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
#endif
/* BT Coex */
int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm);

15
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View File

@ -495,7 +495,9 @@ static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
/* this forward declaration can avoid to export the function */
static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
#ifdef CONFIG_PM
static void iwl_mvm_d0i3_exit_work(struct work_struct *wk);
#endif
static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
{
@ -665,7 +667,9 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
#ifdef CONFIG_PM
INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
#endif
INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
@ -1278,6 +1282,7 @@ static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
iwl_mvm_nic_restart(mvm, true);
}
#ifdef CONFIG_PM
struct iwl_d0i3_iter_data {
struct iwl_mvm *mvm;
struct ieee80211_vif *connected_vif;
@ -1689,6 +1694,13 @@ int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
return _iwl_mvm_exit_d0i3(mvm);
}
#define IWL_MVM_D0I3_OPS \
.enter_d0i3 = iwl_mvm_enter_d0i3, \
.exit_d0i3 = iwl_mvm_exit_d0i3,
#else /* CONFIG_PM */
#define IWL_MVM_D0I3_OPS
#endif /* CONFIG_PM */
#define IWL_MVM_COMMON_OPS \
/* these could be differentiated */ \
.async_cb = iwl_mvm_async_cb, \
@ -1699,8 +1711,7 @@ int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
.nic_error = iwl_mvm_nic_error, \
.cmd_queue_full = iwl_mvm_cmd_queue_full, \
.nic_config = iwl_mvm_nic_config, \
.enter_d0i3 = iwl_mvm_enter_d0i3, \
.exit_d0i3 = iwl_mvm_exit_d0i3, \
IWL_MVM_D0I3_OPS \
/* as we only register one, these MUST be common! */ \
.start = iwl_op_mode_mvm_start, \
.stop = iwl_op_mode_mvm_stop