[Skiboot] [PATCH] hw/lpc-uart: read from RBR to clear character timeout interrupts

Stewart Smith stewart at linux.vnet.ibm.com
Fri Oct 6 17:25:06 AEDT 2017

Stewart Smith <stewart at linux.vnet.ibm.com> writes:
> Jeremy Kerr <jk at ozlabs.org> writes:
>> When using the aspeed SUART, we see a condition where the UART sends
>> continuous character timeout interrupts. This change adds a (heavily
>> commented) dummy read from the RBR to clear the interrupt condition on
>> init.
>> Signed-off-by: Jeremy Kerr <jk at ozlabs.org>
>> ---
>>  hw/lpc-uart.c | 21 +++++++++++++++++++++
>>  1 file changed, 21 insertions(+)
> well, that looks like fun!
> Merged to master as of 3e806acf92b891b2942bbf8d1e4c971af0393ecb

and by that I mean 435bc2e6393d98c846c7416c4418357b4b876c76.

Pay no attention to the nearly competent man behind the curtain.

Stewart Smith
OPAL Architect, IBM.

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