Messages in this thread | | | Subject | Re: [PATCH v2 3/4] spi: spi-geni-qcom: Don't try to set CS if an xfer is pending | From | Stephen Boyd <> | Date | Thu, 17 Dec 2020 18:51:52 -0800 |
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Quoting Doug Anderson (2020-12-17 13:35:08) > > If we wanted to truly make this driver super robust against ridiculous > interrupt latencies then, presumably, we could handle the SPI timeout > ourselves but before timing out we could check to see if the > interrupts were pending. Then we could disable our interrupts, > synchronize our interrupt handler, handle the interrupt directly, and > then re-enable interrupts. If we did this then transfers could > continue to eek their way through even if interrupts were completely > blocked. IMO, it's not worth it. I'm satisfied with not crashing and > not getting the state machine too out-of-whack. >
Ok that's fair. If it's not worth the effort then let's drop this idea.
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