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qcacld-3.0: Check for fw down before reinit complete

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Currently reinit resets the recovery in progress flag when
reinit is successul. It may happen that after initial handshake
with FW during reinit, FW crashes and send the FW down indication
to the driver. Driver sets the recovery flag in FW down but it gets
reset on the successul reinit.
Now on subsequent shutdown, driver crashes as recovery flag is
reset by last reinit.

Check for fw down to reset the recovery flag on reinit completion

CRs-Fixed: 2727205
Change-Id: I88effc1211de138351ef9b232645d0c616a9d5dc
This commit is contained in:
Sachin Ahuja 2020-07-14 17:21:39 +05:30 • committed by snandini
commit a69ab56aa6
1 changed files with 11 additions and 1 deletions
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12
core/hdd/src/wlan_hdd_driver_ops.c
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@ -580,7 +580,17 @@ static int __hdd_soc_recovery_reinit(struct device *dev,
}
re_init_fail_cnt = 0;
cds_set_recovery_in_progress(false);
/*
* In case of SSR within SSR we have seen the race
* where the reinit is successful and fw down is received
* which sets the recovery in progress. Now as reinit is
* successful we reset the recovery in progress here.
* So check if FW is down then don't reset the recovery
* in progress
*/
if (!qdf_is_fw_down())
cds_set_recovery_in_progress(false);
hdd_soc_load_unlock(dev);
hdd_start_complete(0);