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

From: Pavel Machek
Date: Sun Dec 25 2016 - 16:20:52 EST


> > 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.
(cesky, pictures)

Attachment: signature.asc
Description: Digital signature