Re: [PATCH v2] serial/pmac_zilog: Remove flawed mitigation for rx irq flood

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Finn Thain <fthain@xxxxxxxxxxxxxx> writes:
On Fri, 5 Apr 2024, Michael Ellerman wrote:

I assume you have tested this on an actual pmac, as well as qemu?


I tested the patched driver and its console functionality using Zilog SCC 
hardware in a Mac IIci, as well as QEMU's q800 virtual machine.

That should suffice from a code coverage point-of-view, since 
pmz_receive_chars() is portable and independent of CONFIG_PPC_PMAC.

Moreover, I don't know how to get my PowerMac G3 to execute the kludge 
that's to be removed here. I can't prove it's impossible, though.

Thanks. That's good enough for me.

Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc)

cheers




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