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path: root/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index f682c9067abb..567b02754a43 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -583,6 +583,7 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm)
static const u16 init_complete[] = {
INIT_COMPLETE_NOTIF,
};
+ u32 sb_cfg;
int ret;
if (mvm->trans->cfg->tx_with_siso_diversity)
@@ -592,6 +593,12 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm)
mvm->rfkill_safe_init_done = false;
+ sb_cfg = iwl_read_umac_prph(mvm->trans, SB_MODIFY_CFG_FLAG);
+ /* if needed, we'll reset this on our way out later */
+ mvm->pldr_sync = !(sb_cfg & SB_CFG_RESIDES_IN_OTP_MASK);
+ if (mvm->pldr_sync && iwl_mei_pldr_req())
+ return -EBUSY;
+
iwl_init_notification_wait(&mvm->notif_wait,
&init_wait,
init_complete,
@@ -605,6 +612,13 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm)
ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
if (ret) {
IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
+
+ /* if we needed reset then fail here, but notify and remove */
+ if (mvm->pldr_sync) {
+ iwl_mei_alive_notif(false);
+ iwl_trans_pcie_remove(mvm->trans, true);
+ }
+
goto error;
}
iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_AFTER_ALIVE,
@@ -1502,7 +1516,6 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
struct ieee80211_channel *chan;
struct cfg80211_chan_def chandef;
struct ieee80211_supported_band *sband = NULL;
- u32 sb_cfg;
lockdep_assert_held(&mvm->mutex);
@@ -1510,11 +1523,6 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
if (ret)
return ret;
- sb_cfg = iwl_read_umac_prph(mvm->trans, SB_MODIFY_CFG_FLAG);
- mvm->pldr_sync = !(sb_cfg & SB_CFG_RESIDES_IN_OTP_MASK);
- if (mvm->pldr_sync && iwl_mei_pldr_req())
- return -EBUSY;
-
ret = iwl_mvm_load_rt_fw(mvm);
if (ret) {
IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);