Messages in this thread | | | Date | Tue, 19 Apr 2022 06:28:53 -0700 | From | Richard Cochran <> | Subject | Re: [PATCH net 1/1] net: stmmac: add fsleep() in HW Rx timestamp checking loop |
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On Tue, Apr 19, 2022 at 08:52:20AM +0800, Tan Tee Min wrote:
> I agree that the fsleep(1) (=1us) is a big hammer. > Thus in order to improve this, I’ve figured out a smaller delay > time that is enough for the context descriptor to be ready which > is ndelay(500) (=500ns).
Why isn't the context descriptor ready?
I mean, the frame already belongs to the CPU, right?
Thanks, Richard
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