Re: [PATCH 1/4] serial: core: Add LED trigger support

[Pavel Machek]

Hi!

> > Could we somehow remedy the lack of knowledge from the core as whether
> > the HW sends/receives characters first before adding support for LED
> > triggers? It would be more generic and future proof to require UART
> > drivers to report to the core when they actually TX/RX, and then at the
> > core level, utilize that knowledge to perform the LED trigger.
> 
> Maybe we could introduce a function to read from the TX FIFO. Having
> open coded this in each and every driver is not nice anyway.

Yes, please.
									Pavel
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