diff options
| author | Liad Kaufman <liad.kaufman@intel.com> | 2014-12-02 12:16:04 +0300 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-12-28 21:00:16 +0300 |
| commit | addfaada8fd044ad8cb365a792a09b1b3265376f (patch) | |
| tree | 7d1569580caf9307d76b1bac3e288852827e92cb /drivers/net/wireless/iwlwifi/mvm/mac80211.c | |
| parent | 363039be5b9dcbb9df9136c7106d8775f71e43c6 (diff) | |
| download | linux-addfaada8fd044ad8cb365a792a09b1b3265376f.tar.xz | |
iwlwifi: mvm: add smem content to dump data
In NICs that have SMEM - add its content to the dump data
for later debug.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/mac80211.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index f53bfd6e8df8..d5d1cdaa0310 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -774,9 +774,16 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) u32 file_len, rxf_len; unsigned long flags; int reg_val; + u32 smem_len = mvm->cfg->smem_len; lockdep_assert_held(&mvm->mutex); + /* W/A for 8000 HW family A-step */ + if (mvm->cfg->smem_len && + mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 && + CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_A_STEP) + smem_len = 0x38000; + fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL); if (!fw_error_dump) return; @@ -806,6 +813,10 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) rxf_len + sizeof(*dump_info); + /* Make room for the SMEM, if it exists */ + if (smem_len) + file_len += sizeof(*dump_data) + smem_len; + dump_file = vzalloc(file_len); if (!dump_file) { kfree(fw_error_dump); @@ -856,6 +867,14 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data, sram_len); + if (smem_len) { + dump_data = iwl_fw_error_next_data(dump_data); + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SMEM); + dump_data->len = cpu_to_le32(smem_len); + iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->smem_offset, + dump_data->data, smem_len); + } + fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans); fw_error_dump->op_mode_len = file_len; if (fw_error_dump->trans_ptr) |