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qcacmn: Drain group tasklets and reg write work for runtime PM

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Currently as part of runtime PM, only the active
tasklets are being drained. For chips eg. QCA6390,
QCA6490 etc, there are grp_tasklets and delayed reg
write work which has to be drained before entering
runtime PM.

Add the logic to drain all the possible tasks
before entering runtime PM.

Change-Id: Ieb486f00fffd7346dcdc1faea6fed5850ef6daf7
CRs-Fixed: 2676000
This commit is contained in:
Rakesh Pillai
2020-05-06 16:42:36 +05:30
committed by nshrivas
parent 5cf3d57f4e
commit 37cc4255e2
7 changed files with 122 additions and 2 deletions
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11
hal/wifi3.0/hal_srng.c
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@@ -480,6 +480,7 @@ static void hal_reg_write_work(void *arg)
hal_verbose_debug("read_idx %u srng 0x%x, addr 0x%pK dequeue_val %u sched delay %llu us",
hal->read_idx, ring_id, addr, write_val, delta_us);
qdf_atomic_dec(&hal->active_work_cnt);
hal->read_idx = (hal->read_idx + 1) &
(HAL_REG_WRITE_QUEUE_LEN - 1);
q_elem = &hal->reg_write_queue[(hal->read_idx)];
@@ -560,6 +561,7 @@ static void hal_reg_write_enqueue(struct hal_soc *hal_soc,
q_elem->valid = true;
srng->reg_write_in_progress = true;
qdf_atomic_inc(&hal_soc->active_work_cnt);
hal_verbose_debug("write_idx %u srng ring id 0x%x addr 0x%pK val %u",
write_idx, srng->ring_id, addr, value);
@@ -686,6 +688,14 @@ void hal_dump_reg_write_stats(hal_soc_handle_t hal_soc_hdl)
hist[REG_WRITE_SCHED_DELAY_SUB_5000us],
hist[REG_WRITE_SCHED_DELAY_GT_5000us]);
}
int hal_get_reg_write_pending_work(void *hal_soc)
{
struct hal_soc *hal = (struct hal_soc *)hal_soc;
return qdf_atomic_read(&hal->active_work_cnt);
}
#else
static inline QDF_STATUS hal_delayed_reg_write_init(struct hal_soc *hal)
{
@@ -770,6 +780,7 @@ void *hal_attach(struct hif_opaque_softc *hif_handle, qdf_device_t qdf_dev)
qdf_minidump_log(hal, sizeof(*hal), "hal_soc");
qdf_atomic_init(&hal->active_work_cnt);
hal_delayed_reg_write_init(hal);
return (void *)hal;