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qcacld-3.0: Add support to restart TSF cap when traffic resumes

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When the chip is in power save mode, it fails to report valid
TSF in the WMI_VDEV_TSF_REPORT_EVENT_ID. Even the retry may fail.

Fix this by restarting the capture when the Tx/Rx resumes.

Change-Id: Ibd0aa9275583ba40e5f53a11910960351bb76e7d
This commit is contained in:
Subrat Dash 2019-11-27 18:36:45 +05:30 • committed by nshrivas
commit 9ba2ff8162
1 changed files with 22 additions and 0 deletions
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22
core/hdd/src/wlan_hdd_tsf.c
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@ -328,6 +328,22 @@ hdd_wlan_retry_tsf_cap(struct hdd_adapter *adapter)
return (count * WLAN_HDD_CAPTURE_TSF_REQ_TIMEOUT_MS);
}
static void
hdd_wlan_restart_tsf_cap(struct hdd_adapter *adapter)
{
struct hdd_context *hddctx;
int count = adapter->continuous_cap_retry_count;
hddctx = WLAN_HDD_GET_CTX(adapter);
if (count == MAX_CONTINUOUS_RETRY_CNT) {
hdd_debug("Restart TSF CAP");
qdf_atomic_set(&hddctx->cap_tsf_flag, 0);
adapter->continuous_cap_retry_count = 0;
qdf_mc_timer_start(&adapter->host_target_sync_timer,
WLAN_HDD_CAPTURE_TSF_INIT_INTERVAL_MS);
}
}
static void
hdd_update_host_time(struct hdd_adapter *adapter)
{
@ -419,6 +435,11 @@ hdd_wlan_retry_tsf_cap(struct hdd_adapter *adapter)
return 0;
}
static void
hdd_wlan_restart_tsf_cap(struct hdd_adapter *adapter)
{
}
static void
hdd_tsf_gpio_sync_work_init(struct hdd_adapter *adapter)
{
@ -805,6 +826,7 @@ static inline int32_t hdd_get_hosttime_from_targettime(
if (in_cap_state)
qdf_spin_lock_bh(&adapter->host_target_sync_lock);
hdd_wlan_restart_tsf_cap(adapter);
/* at present, target_time is only 32bit in fact */
delta32_target = (int64_t)((target_time & U32_MAX) -
(adapter->last_target_time & U32_MAX));