edac: Allow the option of creating a deferrable work for polling
EDAC provides a mechanism to poll for errors using a callback function and uses a delayed timer to schedule it. Provide an option to create a deferrable timer if the error checking is not worth waking up the cpu from idle. Change-Id: Ia25216323eabf7fa4b894897c950414006921f3f Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
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@ -225,6 +225,7 @@ struct edac_device_ctl_info {
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int panic_on_ue; /* boolean for panic'ing on an UE */
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unsigned poll_msec; /* number of milliseconds to poll interval */
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unsigned long delay; /* number of jiffies for poll_msec */
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bool defer_work; /* Create a deferrable work for polling */
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/* Additional top controller level attributes, but specified
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* by the low level driver.
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@ -414,7 +414,11 @@ void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
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edac_dev->poll_msec = msec;
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edac_dev->delay = msecs_to_jiffies(msec);
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INIT_DELAYED_WORK(&edac_dev->work, edac_device_workq_function);
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if (edac_dev->defer_work)
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INIT_DEFERRABLE_WORK(&edac_dev->work,
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edac_device_workq_function);
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else
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INIT_DELAYED_WORK(&edac_dev->work, edac_device_workq_function);
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/* optimize here for the 1 second case, which will be normal value, to
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* fire ON the 1 second time event. This helps reduce all sorts of
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