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qcacld-3.0: Schedule work for cds_trigger_recovery() in atomic ctx

Browse source 
Currently wherever cds_trigger_recovery() is called in atomic
context, work is being scheduled.
This change is to modify cds_trigger_recovery() itself detect
that it is being called in atomic context and then
itself schedule work to its own handler.

Change-Id: Id37e97c9b838ad18c355234aa13f2b9c05503029
CRs-Fixed: 2081666
This commit is contained in:
Srinivas Girigowda 2017-07-24 17:38:09 -07:00 • committed by snandini
commit 161b9f298a
2 changed files with 56 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

2
core/cds/inc/cds_sched.h
View file

@ -228,6 +228,8 @@ typedef struct _cds_context_type {
struct cds_config_info *cds_cfg;
struct ol_tx_sched_wrr_ac_specs_t ac_specs[TX_WMM_AC_NUM];
qdf_work_t cds_recovery_work;
qdf_workqueue_t *cds_recovery_wq;
} cds_context_type, *p_cds_contextType;
/*---------------------------------------------------------------------------

57
core/cds/src/cds_api.c
View file

@ -85,6 +85,39 @@ static struct ol_if_ops dp_ol_if_ops = {
};
void cds_sys_probe_thread_cback(void *pUserData);
static void cds_trigger_recovery_work(void *param);
/**
* cds_recovery_work_init() - Initialize recovery work queue
*
* Return: none
*/
static QDF_STATUS cds_recovery_work_init(void)
{
qdf_create_work(0, &gp_cds_context->cds_recovery_work,
cds_trigger_recovery_work, NULL);
gp_cds_context->cds_recovery_wq =
qdf_create_workqueue("cds_recovery_workqueue");
if (NULL == gp_cds_context->cds_recovery_wq) {
cds_err("Failed to create cds_recovery_workqueue");
return QDF_STATUS_E_FAILURE;
}
return QDF_STATUS_SUCCESS;
}
/**
* cds_recovery_work_deinit() - Initialize recovery work queue
*
* Return: none
*/
static void cds_recovery_work_deinit(void)
{
if (gp_cds_context->cds_recovery_wq) {
qdf_flush_workqueue(0, gp_cds_context->cds_recovery_wq);
qdf_destroy_workqueue(0, gp_cds_context->cds_recovery_wq);
}
}
/** cds_get_datapath_handles - Initialize pdev, vdev and soc
* @soc - soc handle
@ -154,6 +187,8 @@ v_CONTEXT_t cds_init(void)
cds_ssr_protect_init();
cds_recovery_work_init();
return gp_cds_context;
}
@ -167,6 +202,7 @@ void cds_deinit(void)
if (gp_cds_context == NULL)
return;
cds_recovery_work_deinit();
qdf_mc_timer_manager_exit();
qdf_mem_exit();
qdf_lock_stats_deinit();
@ -1794,11 +1830,11 @@ static QDF_STATUS cds_force_assert_target(qdf_device_t qdf)
}
/**
* cds_trigger_recovery() - trigger self recovery
* cds_trigger_recovery_work() - trigger self recovery work
*
* Return: none
*/
void cds_trigger_recovery(void)
static void cds_trigger_recovery_work(void *param)
{
QDF_STATUS status;
qdf_runtime_lock_t rtl;
@ -1823,7 +1859,7 @@ void cds_trigger_recovery(void)
status = qdf_runtime_lock_init(&rtl);
if (QDF_IS_STATUS_ERROR(status)) {
cds_err("Failed to initialize runtime pm lock");
cds_err("qdf_runtime_lock_init failed, status: %d", status);
return;
}
@ -1843,6 +1879,21 @@ deinit_rtl:
qdf_runtime_lock_deinit(&rtl);
}
/**
* cds_trigger_recovery() - trigger self recovery
*
* Return: none
*/
void cds_trigger_recovery(void)
{
if (in_atomic()) {
qdf_queue_work(0, gp_cds_context->cds_recovery_wq,
&gp_cds_context->cds_recovery_work);
return;
}
cds_trigger_recovery_work(NULL);
}
/**
* cds_get_monotonic_boottime() - Get kernel boot time.
*