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remoteproc: core: Prevent system suspend during remoteproc recovery
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@codeaurora.org> Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org> Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/1588183482-21146-1-git-send-email-rishabhb@codeaurora.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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2 changed files with 7 additions and 0 deletions
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@ -407,6 +407,8 @@ static int adsp_probe(struct platform_device *pdev)
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adsp->has_aggre2_clk = desc->has_aggre2_clk;
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adsp->has_aggre2_clk = desc->has_aggre2_clk;
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platform_set_drvdata(pdev, adsp);
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platform_set_drvdata(pdev, adsp);
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device_wakeup_enable(adsp->dev);
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ret = adsp_alloc_memory_region(adsp);
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ret = adsp_alloc_memory_region(adsp);
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if (ret)
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if (ret)
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goto free_rproc;
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goto free_rproc;
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@ -1766,6 +1766,8 @@ static void rproc_crash_handler_work(struct work_struct *work)
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if (!rproc->recovery_disabled)
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if (!rproc->recovery_disabled)
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rproc_trigger_recovery(rproc);
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rproc_trigger_recovery(rproc);
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pm_relax(rproc->dev.parent);
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}
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}
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/**
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/**
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@ -2353,6 +2355,9 @@ void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type)
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return;
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return;
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}
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}
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/* Prevent suspend while the remoteproc is being recovered */
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pm_stay_awake(rproc->dev.parent);
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dev_err(&rproc->dev, "crash detected in %s: type %s\n",
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dev_err(&rproc->dev, "crash detected in %s: type %s\n",
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rproc->name, rproc_crash_to_string(type));
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rproc->name, rproc_crash_to_string(type));
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