p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

iwlwifi: Add few debug prints to the WRT dump flow 

This would enable to better catch timing issues with
cases that WRT dump takes too much time.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Ilan Peer 2017-09-04 14:39:22 +03:00 committed by Luca Coelho
parent 528a542aa6
commit b88beaf95a
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
View File

@ -93,6 +93,8 @@ static void iwl_read_radio_regs(struct iwl_fw_runtime *fwrt,
unsigned long flags;
int i;
IWL_DEBUG_INFO(fwrt, "WRT radio registers dump\n");
if (!iwl_trans_grab_nic_access(fwrt->trans, &flags))
return;
@ -233,6 +235,8 @@ static void iwl_fw_dump_fifos(struct iwl_fw_runtime *fwrt,
unsigned long flags;
int i, j;
IWL_DEBUG_INFO(fwrt, "WRT FIFO dump\n");
if (!iwl_trans_grab_nic_access(fwrt->trans, &flags))
return;
@ -476,6 +480,8 @@ static void iwl_dump_prph(struct iwl_trans *trans,
unsigned long flags;
u32 i;
IWL_DEBUG_INFO(trans, "WRT PRPH dump\n");
if (!iwl_trans_grab_nic_access(trans, &flags))
return;
@ -559,6 +565,8 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
bool monitor_dump_only = false;
int i;
IWL_DEBUG_INFO(fwrt, "WRT dump start\n");
/* there's no point in fw dump if the bus is dead */
if (test_bit(STATUS_TRANS_DEAD, &fwrt->trans->status)) {
IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n");
@ -816,6 +824,9 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
dump_mem->type = fw_dbg_mem[i].data_type;
dump_mem->offset = cpu_to_le32(ofs);
IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n",
dump_mem->type);
switch (dump_mem->type & cpu_to_le32(FW_DBG_MEM_TYPE_MASK)) {
case cpu_to_le32(FW_DBG_MEM_TYPE_REGULAR):
iwl_trans_read_mem_bytes(fwrt->trans, ofs,
@ -841,6 +852,7 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
}
if (smem_len) {
IWL_DEBUG_INFO(fwrt, "WRT SMEM dump\n");
dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
dump_data->len = cpu_to_le32(smem_len + sizeof(*dump_mem));
dump_mem = (void *)dump_data->data;
@ -853,6 +865,7 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
}
if (sram2_len) {
IWL_DEBUG_INFO(fwrt, "WRT SRAM dump\n");
dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
dump_data->len = cpu_to_le32(sram2_len + sizeof(*dump_mem));
dump_mem = (void *)dump_data->data;
@ -868,6 +881,7 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
if (!fwrt->trans->cfg->gen2 &&
fwrt->fw->img[fwrt->cur_fw_img].paging_mem_size &&
fwrt->fw_paging_db[0].fw_paging_block) {
IWL_DEBUG_INFO(fwrt, "WRT paging dump\n");
for (i = 1; i < fwrt->num_of_paging_blk + 1; i++) {
struct iwl_fw_error_dump_paging *paging;
struct page *pages =
@ -930,6 +944,7 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
iwl_fw_free_dump_desc(fwrt);
fwrt->dump.trig = NULL;
clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status);
IWL_DEBUG_INFO(fwrt, "WRT dump done\n");
}
IWL_EXPORT_SYMBOL(iwl_fw_error_dump);