On Wed 29 Apr 11:04 PDT 2020, Rishabh Bhatnagar wrote: > The system might go into suspend during recovery of any remoteproc. > This will interrupt the recovery process in between increasing the > recovery time. Make the platform device as wakeup capable and > use pm_stay_wake/pm_relax APIs to avoid system from going into > suspend during recovery. > > Signed-off-by: Siddharth Gupta <sidgup@xxxxxxxxxxxxxx> > Signed-off-by: Rishabh Bhatnagar <rishabhb@xxxxxxxxxxxxxx> > Acked-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> > --- Please don't forget to add a version to $subject and provide a Changelog here next time you're respinning something. I've picked this up now. Thanks, Bjorn > drivers/remoteproc/qcom_q6v5_pas.c | 2 ++ > drivers/remoteproc/remoteproc_core.c | 5 +++++ > 2 files changed, 7 insertions(+) > > diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c > index edf9d0e..e608578 100644 > --- a/drivers/remoteproc/qcom_q6v5_pas.c > +++ b/drivers/remoteproc/qcom_q6v5_pas.c > @@ -398,6 +398,8 @@ static int adsp_probe(struct platform_device *pdev) > adsp->has_aggre2_clk = desc->has_aggre2_clk; > platform_set_drvdata(pdev, adsp); > > + device_wakeup_enable(adsp->dev); > + > ret = adsp_alloc_memory_region(adsp); > if (ret) > goto free_rproc; > diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c > index 097f33e..6a1cb98 100644 > --- a/drivers/remoteproc/remoteproc_core.c > +++ b/drivers/remoteproc/remoteproc_core.c > @@ -1712,6 +1712,8 @@ static void rproc_crash_handler_work(struct work_struct *work) > > if (!rproc->recovery_disabled) > rproc_trigger_recovery(rproc); > + > + pm_relax(rproc->dev.parent); > } > > /** > @@ -2208,6 +2210,9 @@ void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type) > return; > } > > + /* Prevent suspend while the remoteproc is being recovered */ > + pm_stay_awake(rproc->dev.parent); > + > dev_err(&rproc->dev, "crash detected in %s: type %s\n", > rproc->name, rproc_crash_to_string(type)); > > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project
