diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 15419397ac73..3e88bbdb1f82 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2007-2015, 2018-2022 Intel Corporation + * Copyright (C) 2007-2015, 2018-2023 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ @@ -163,7 +163,7 @@ static void iwl_pcie_free_fw_monitor(struct iwl_trans *trans) } static void iwl_pcie_alloc_fw_monitor_block(struct iwl_trans *trans, - u8 max_power, u8 min_power) + u8 max_power) { struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon; void *block = NULL; @@ -171,10 +171,13 @@ static void iwl_pcie_alloc_fw_monitor_block(struct iwl_trans *trans, u32 size = 0; u8 power; - if (fw_mon->size) + if (fw_mon->size) { + memset(fw_mon->block, 0, fw_mon->size); return; + } - for (power = max_power; power >= min_power; power--) { + /* need at least 2 KiB, so stop at 11 */ + for (power = max_power; power >= 11; power--) { size = BIT(power); block = dma_alloc_coherent(trans->dev, size, &physical, GFP_KERNEL | __GFP_NOWARN); @@ -215,10 +218,7 @@ void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans, u8 max_power) max_power)) return; - if (trans->dbg.fw_mon.size) - return; - - iwl_pcie_alloc_fw_monitor_block(trans, max_power, 11); + iwl_pcie_alloc_fw_monitor_block(trans, max_power); } static u32 iwl_trans_pcie_read_shr(struct iwl_trans *trans, u32 reg) @@ -1788,7 +1788,7 @@ static int iwl_trans_pcie_clear_persistence_bit(struct iwl_trans *trans) } hpm = iwl_read_umac_prph_no_grab(trans, HPM_DEBUG); - if (hpm != 0xa5a5a5a0 && (hpm & PERSISTENCE_BIT)) { + if (!iwl_trans_is_hw_error_value(hpm) && (hpm & PERSISTENCE_BIT)) { u32 wprot_val = iwl_read_umac_prph_no_grab(trans, wprot); if (wprot_val & PREG_WFPM_ACCESS) { |