[PATCH 03/16] tty: serial: 8250_core: read only RX if there is something in the FIFO
Sebastian Andrzej Siewior
bigeasy at linutronix.de
Thu Feb 12 00:45:38 PST 2015
On 02/11/2015 09:42 PM, Peter Hurley wrote:
>> Reverting makes sense to me if it has caused a regression. Maybe Sebastian
>> can update his patch to do this based on some quirk flag instead?
>
> That's fine with me. There's a 'bugs' field in struct 8250_uart_port and
> UART_BUG_* defines in 8250/8250.h for that purpose.
Makes sense. Reading an empty FIFO does not look right. Maybe we should
do the bug flag the other way around? But I can do what I am told to so
if there is more fallout than just this Marvell UART I could come
around with a patch to the bug field for the older OMAP.
> Regards,
> Peter Hurley
Sebastian
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