diff options
| author | Sibi Sankar | 2020-07-02 01:29:54 +0530 |
|---|---|---|
| committer | Bjorn Andersson | 2020-07-27 23:09:25 -0700 |
| commit | 72fe996f9643043c8f84e32c0610975b01aa555b (patch) | |
| tree | 48dc225adc6d2b95df68e12aa6e02d24faa1332f /drivers/soc | |
| parent | f935a752f22915ff6891cd62dd0d12476e5df248 (diff) | |
soc: qcom: pdr: Reorder the PD state indication ack
The Protection Domains (PD) have a mechanism to keep its resources
enabled until the PD down indication is acked. Reorder the PD state
indication ack so that clients get to release the relevant resources
before the PD goes down.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Fixes: fbe639b44a82 ("soc: qcom: Introduce Protection Domain Restart helpers")
Reported-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200701195954.9007-1-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/qcom/pdr_interface.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/soc/qcom/pdr_interface.c b/drivers/soc/qcom/pdr_interface.c index bdcf16f88a97..4c9225f15c4e 100644 --- a/drivers/soc/qcom/pdr_interface.c +++ b/drivers/soc/qcom/pdr_interface.c @@ -278,13 +278,15 @@ static void pdr_indack_work(struct work_struct *work) list_for_each_entry_safe(ind, tmp, &pdr->indack_list, node) { pds = ind->pds; - pdr_send_indack_msg(pdr, pds, ind->transaction_id); mutex_lock(&pdr->status_lock); pds->state = ind->curr_state; pdr->status(pds->state, pds->service_path, pdr->priv); mutex_unlock(&pdr->status_lock); + /* Ack the indication after clients release the PD resources */ + pdr_send_indack_msg(pdr, pds, ind->transaction_id); + mutex_lock(&pdr->list_lock); list_del(&ind->node); mutex_unlock(&pdr->list_lock); |