diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index dfa1bed124aa..ce59d8498337 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -3192,7 +3192,7 @@ static struct iwl_trans_dump_data len = sizeof(*dump_data); /* host commands */ - if (dump_mask & BIT(IWL_FW_ERROR_DUMP_TXCMD)) + if (dump_mask & BIT(IWL_FW_ERROR_DUMP_TXCMD) && cmdq) len += sizeof(*data) + cmdq->n_window * (sizeof(*txcmd) + TFD_MAX_PAYLOAD_SIZE); @@ -3244,7 +3244,7 @@ static struct iwl_trans_dump_data len = 0; data = (void *)dump_data->data; - if (dump_mask & BIT(IWL_FW_ERROR_DUMP_TXCMD)) { + if (dump_mask & BIT(IWL_FW_ERROR_DUMP_TXCMD) && cmdq) { u16 tfd_size = trans_pcie->tfd_size; data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXCMD); @@ -3681,6 +3681,7 @@ void iwl_trans_pcie_sync_nmi(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); unsigned long timeout = jiffies + IWL_TRANS_NMI_TIMEOUT; + bool interrupts_enabled = test_bit(STATUS_INT_ENABLED, &trans->status); u32 inta_addr, sw_err_bit; if (trans_pcie->msix_enabled) { @@ -3691,7 +3692,12 @@ void iwl_trans_pcie_sync_nmi(struct iwl_trans *trans) sw_err_bit = CSR_INT_BIT_SW_ERR; } - iwl_disable_interrupts(trans); + /* if the interrupts were already disabled, there is no point in + * calling iwl_disable_interrupts + */ + if (interrupts_enabled) + iwl_disable_interrupts(trans); + iwl_force_nmi(trans); while (time_after(timeout, jiffies)) { u32 inta_hw = iwl_read32(trans, inta_addr); @@ -3705,6 +3711,13 @@ void iwl_trans_pcie_sync_nmi(struct iwl_trans *trans) mdelay(1); } - iwl_enable_interrupts(trans); + + /* enable interrupts only if there were already enabled before this + * function to avoid a case were the driver enable interrupts before + * proper configurations were made + */ + if (interrupts_enabled) + iwl_enable_interrupts(trans); + iwl_trans_fw_error(trans); } |