| Message ID | 1586384305-7825-3-git-send-email-sidgup@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | remoteproc: core: Add core functionality to the remoteproc framework | expand |
On Wed 08 Apr 15:18 PDT 2020, Siddharth Gupta wrote: > Remoteproc recovery should be fast and any delay will have an impact on the > user-experience. Add a wakeup source to remoteproc which ensures that the > system does not go into idle state while a remoteproc is recovering, thus > prevent any delays that might occur during system resume. > This is better, but I think it can be reworded further to show that it's not a matter of making it "fast", it's a matter of preventing suspend from interrupting the recovery of a remoteproc. > Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org> > --- > drivers/remoteproc/qcom_q6v5_pas.c | 1 + > drivers/remoteproc/remoteproc_core.c | 4 ++++ > 2 files changed, 5 insertions(+) > > diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c > index 7a63efb..6bb2c7d 100644 > --- a/drivers/remoteproc/qcom_q6v5_pas.c > +++ b/drivers/remoteproc/qcom_q6v5_pas.c > @@ -401,6 +401,7 @@ static int adsp_probe(struct platform_device *pdev) > > adsp = (struct qcom_adsp *)rproc->priv; > adsp->dev = &pdev->dev; > + device_wakeup_enable(adsp->dev); Move this 5 lines down and give it an empty line before and after. > adsp->rproc = rproc; > adsp->pas_id = desc->pas_id; > adsp->has_aggre2_clk = desc->has_aggre2_clk; > diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c > index 9f99fe2..19a360d 100644 > --- a/drivers/remoteproc/remoteproc_core.c > +++ b/drivers/remoteproc/remoteproc_core.c > @@ -1729,6 +1729,8 @@ static void rproc_crash_handler_work(struct work_struct *work) > > if (!rproc->recovery_disabled) > rproc_trigger_recovery(rproc); > + > + pm_relax(rproc->dev.parent); > } > > /** > @@ -2273,6 +2275,8 @@ void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type) > return; > } > /* Prevent suspend while the remoteproc is being recovered */ PS. This patch is unrelated to patch 1/2, so please resubmit it separately. Regards, Bjorn > + pm_stay_awake(rproc->dev.parent); > + > dev_err(&rproc->dev, "crash detected in %s: type %s\n", > rproc->name, rproc_crash_to_string(type)); > > -- > Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project
On Wed, Apr 08, 2020 at 03:18:25PM -0700, Siddharth Gupta wrote: > Remoteproc recovery should be fast and any delay will have an impact on the > user-experience. Add a wakeup source to remoteproc which ensures that the > system does not go into idle state while a remoteproc is recovering, thus > prevent any delays that might occur during system resume. > > Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org> > --- > drivers/remoteproc/qcom_q6v5_pas.c | 1 + > drivers/remoteproc/remoteproc_core.c | 4 ++++ > 2 files changed, 5 insertions(+) > > diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c > index 7a63efb..6bb2c7d 100644 > --- a/drivers/remoteproc/qcom_q6v5_pas.c > +++ b/drivers/remoteproc/qcom_q6v5_pas.c > @@ -401,6 +401,7 @@ static int adsp_probe(struct platform_device *pdev) > > adsp = (struct qcom_adsp *)rproc->priv; > adsp->dev = &pdev->dev; > + device_wakeup_enable(adsp->dev); > adsp->rproc = rproc; > adsp->pas_id = desc->pas_id; > adsp->has_aggre2_clk = desc->has_aggre2_clk; > diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c > index 9f99fe2..19a360d 100644 > --- a/drivers/remoteproc/remoteproc_core.c > +++ b/drivers/remoteproc/remoteproc_core.c > @@ -1729,6 +1729,8 @@ static void rproc_crash_handler_work(struct work_struct *work) > > if (!rproc->recovery_disabled) > rproc_trigger_recovery(rproc); > + > + pm_relax(rproc->dev.parent); > } > > /** > @@ -2273,6 +2275,8 @@ void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type) > return; > } > > + pm_stay_awake(rproc->dev.parent); > + Much better: Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> > dev_err(&rproc->dev, "crash detected in %s: type %s\n", > rproc->name, rproc_crash_to_string(type)); > > -- > Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index 7a63efb..6bb2c7d 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -401,6 +401,7 @@ static int adsp_probe(struct platform_device *pdev) adsp = (struct qcom_adsp *)rproc->priv; adsp->dev = &pdev->dev; + device_wakeup_enable(adsp->dev); adsp->rproc = rproc; adsp->pas_id = desc->pas_id; adsp->has_aggre2_clk = desc->has_aggre2_clk; diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 9f99fe2..19a360d 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -1729,6 +1729,8 @@ static void rproc_crash_handler_work(struct work_struct *work) if (!rproc->recovery_disabled) rproc_trigger_recovery(rproc); + + pm_relax(rproc->dev.parent); } /** @@ -2273,6 +2275,8 @@ void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type) return; } + pm_stay_awake(rproc->dev.parent); + dev_err(&rproc->dev, "crash detected in %s: type %s\n", rproc->name, rproc_crash_to_string(type));
Remoteproc recovery should be fast and any delay will have an impact on the user-experience. Add a wakeup source to remoteproc which ensures that the system does not go into idle state while a remoteproc is recovering, thus prevent any delays that might occur during system resume. Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org> --- drivers/remoteproc/qcom_q6v5_pas.c | 1 + drivers/remoteproc/remoteproc_core.c | 4 ++++ 2 files changed, 5 insertions(+)