diff options
| author | Mordechay Goodstein <mordechay.goodstein@intel.com> | 2021-02-10 15:29:16 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-02-10 15:39:38 +0300 |
| commit | beb44c0c402a6c6aa5df90d98b5da66d0beac0c4 (patch) | |
| tree | 35744cd55dd5fb074809c1d694ae0b122d2a48fd /drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | |
| parent | 1c094e5e2b02fbd0120d01150d35b29dd55daa9a (diff) | |
| download | linux-beb44c0c402a6c6aa5df90d98b5da66d0beac0c4.tar.xz | |
iwlwifi: dbg: remove unsupported regions
In case user requested to register an unsupported regions,
remove it from active list and trigger list, this saves operational
driver memory and run time at collecting debug data.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210142629.a0cc944040e8.I3ae37547452b39f8040428c21ed47bdc67ae8f71@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c index 12c49fe8608a..579bc81cc0ae 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c @@ -959,6 +959,7 @@ static void iwl_dbg_tlv_init_cfg(struct iwl_fw_runtime *fwrt) { enum iwl_fw_ini_buffer_location *ini_dest = &fwrt->trans->dbg.ini_dest; int ret, i; + u32 failed_alloc = 0; if (*ini_dest != IWL_FW_INI_LOCATION_INVALID) return; @@ -990,10 +991,43 @@ static void iwl_dbg_tlv_init_cfg(struct iwl_fw_runtime *fwrt) continue; ret = iwl_dbg_tlv_alloc_fragments(fwrt, i); - if (ret) + + if (ret) { IWL_WARN(fwrt, "WRT: Failed to allocate DRAM buffer for allocation id %d, ret=%d\n", i, ret); + failed_alloc |= BIT(i); + } + } + + if (!failed_alloc) + return; + + for (i = 0; i < ARRAY_SIZE(fwrt->trans->dbg.active_regions) && failed_alloc; i++) { + struct iwl_fw_ini_region_tlv *reg; + struct iwl_ucode_tlv **active_reg = + &fwrt->trans->dbg.active_regions[i]; + u32 reg_type; + + if (!*active_reg) + continue; + + reg = (void *)(*active_reg)->data; + reg_type = le32_to_cpu(reg->type); + + if (reg_type != IWL_FW_INI_REGION_DRAM_BUFFER || + !(BIT(le32_to_cpu(reg->dram_alloc_id)) & failed_alloc)) + continue; + + IWL_DEBUG_FW(fwrt, + "WRT: removing allocation id %d from region id %d\n", + le32_to_cpu(reg->dram_alloc_id), i); + + failed_alloc &= ~le32_to_cpu(reg->dram_alloc_id); + fwrt->trans->dbg.unsupported_region_msk |= BIT(i); + + kfree(*active_reg); + *active_reg = NULL; } } |