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Commit b88beaf9 authored by Ilan Peer's avatar Ilan Peer Committed by Luca Coelho
Browse files

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: default avatarIlan Peer <ilan.peer@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 528a542a

drivers/net/wireless/intel/iwlwifi/fw/dbg.c

+15 −0
Original line number Diff line number Diff line
@@ -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);