From f05f8edd90f1f637b60c4ed07a4f387052c84cbb Mon Sep 17 00:00:00 2001
From: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Date: Fri, 17 Apr 2020 13:21:42 +0300
Subject: [PATCH] iwlwifi: yoyo: support IWL_FW_INI_TIME_POINT_HOST_ALIVE_TIMEOUT time point
Git-commit: f05f8edd90f1f637b60c4ed07a4f387052c84cbb
Patch-mainline: v5.8-rc1
References: jsc#SLE-13430
Allow the driver to perform dump collection in case of alive notification
timeout in yoyo mode.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200417131727.bd46e6240590.Ibda6d9d330a1ae49670152cede34629b280f6cf9@changeid
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 42 +++++++++++++++++++----------
1 file changed, 28 insertions(+), 14 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 8daa83cdc72c..39c8332be3ac 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -2329,26 +2329,40 @@ IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_desc);
int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt,
enum iwl_fw_dbg_trigger trig_type)
{
- int ret;
- struct iwl_fw_dump_desc *iwl_dump_error_desc;
-
if (!test_bit(STATUS_DEVICE_ENABLED, &fwrt->trans->status))
return -EIO;
- iwl_dump_error_desc = kmalloc(sizeof(*iwl_dump_error_desc), GFP_KERNEL);
- if (!iwl_dump_error_desc)
- return -ENOMEM;
+ if (iwl_trans_dbg_ini_valid(fwrt->trans)) {
+ if (trig_type != FW_DBG_TRIGGER_ALIVE_TIMEOUT)
+ return -EIO;
- iwl_dump_error_desc->trig_desc.type = cpu_to_le32(trig_type);
- iwl_dump_error_desc->len = 0;
+ iwl_dbg_tlv_time_point(fwrt,
+ IWL_FW_INI_TIME_POINT_HOST_ALIVE_TIMEOUT,
+ NULL);
+ } else {
+ struct iwl_fw_dump_desc *iwl_dump_error_desc;
+ int ret;
- ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc, false, 0);
- if (ret)
- kfree(iwl_dump_error_desc);
- else
- iwl_trans_sync_nmi(fwrt->trans);
+ iwl_dump_error_desc =
+ kmalloc(sizeof(*iwl_dump_error_desc), GFP_KERNEL);
- return ret;
+ if (!iwl_dump_error_desc)
+ return -ENOMEM;
+
+ iwl_dump_error_desc->trig_desc.type = cpu_to_le32(trig_type);
+ iwl_dump_error_desc->len = 0;
+
+ ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc,
+ false, 0);
+ if (ret) {
+ kfree(iwl_dump_error_desc);
+ return ret;
+ }
+ }
+
+ iwl_trans_sync_nmi(fwrt->trans);
+
+ return 0;
}
IWL_EXPORT_SYMBOL(iwl_fw_dbg_error_collect);
--
2.16.4