Subject: Re: OMAP4430 SDP with KS8851: very slow networking

From: Tony Lindgren <[email-masked]>
Date: Fri, 7 Dec 2018 12:55:33 -0800

* Russell King - ARM Linux <[email-masked]> [181207 19:27]:
> You mentioned that edge mode didn't work as well as level mode on
> duovero smsc controller, I think this may help to solve the same
> issue but for edge IRQs - we need a mask_ack_irq function to avoid
> acking while the edge interrupt is masked.  Let me know if that
> lowers the smsc ping latency while in edge mode.

Looks like smsc edge interrupt is still producing varying
ping latencies with this. Seems like the mas_ack_irq is
a nice improvment though.

Regards,

Tony

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