iwlwifi: mvm: global PM mode does not reset after FW crash

When The driver in D3 and FW crash happens, trans->system_pm_mode
is  not reset to IWL_PLAT_PM_MODE_DISABLED which causes the driver
not to send INIT conmmands and D3 resume fails.

This patch contains the fix for resetting trans->system_pm_mode to
IWL_PLAT_PM_MODE_DISABLED and D3 resume is successful.

Signed-off-by: Ravi Darsi <ravi.darsi@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210172142.ad170ad48409.Ifc6b10e8b3f235876af91d0e23e90b462d270eff@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 7c51c781cfafc6822a667e2524425f3dd84e7e5e..a7dc85c704a987711f2c50affe94e30b593b0183 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -2043,6 +2043,7 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
                iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert,
                                        false, 0);
                ret = 1;
+               mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED;
                goto err;
        }